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Nate Armstrong 9752869d84
feat(router): add the Rust router core with the host as its only boundary (#49513) 
Adds the litellm-router-core crate, its step-driven PyO3 bridge
(RouterCoreHandle / RouterCall) and RustCore (litellm/router_rust/),
served behind LITELLM_RUST through the ROUTER route rule. The host
call-out is the only boundary: every attempt goes through Host::invoke,
there is no native executor path, and RustCore never builds, wraps or
forwards to PythonCore, so router_python_core.py stays deletable.
Attempt preparation lives in litellm/router_attempt.py so it outlives
router_python_core.py.

RustCore matches PythonCore's behavior, including its known bugs (fixed
in follow-up PRs). Routing decisions (strategy picks, routing groups,
PTU, pre-routing, pre-call checks, fallback walk, health routing, access
groups, weights, cooldowns, allowed fails, usage) live in the crate;
work that needs live Python objects (request shaping, endpoints,
streaming, model info facts, callbacks, alerting, prompt management)
lives in the host-side litellm/router_rust/ package (steps/, invoke/,
surface/) driven by Rust steps.

The crate owns the registry. It runs the deployment build loop (secret
references, ids, organization fan-out, install order) and asks the host
for what needs Python, one deployment at a time so errors surface where
Python raised them: secrets, validate, provider and added steps. It
holds the model list, the index maps and the pattern routers with the
Python core's history rules (host_index.rs), and answers the registry
lookups (lookup.rs). The Python views of that state in
litellm/router_rust/surface/ (model_list, index(), names(), patterns())
read the handle, and every write to them becomes a changeset. Model
info, deployment model info, configured limits and model group info are
merged in the crate (model_info.rs, group_info.rs) from catalog rows and
facts the host answers on a model_info step asked at query time, so
price reloads and register_model stay visible. The usage cache key
format is defined once, in the crate.

The crate records each attempt's outcome itself rather than through
litellm callbacks. A streamed attempt is deferred: it counts its
request when the stream opens, and the host's stream wrappers report
the success with the final usage, or a failure after the first chunk,
when the stream ends, as the Python core's callbacks do.

tests/unit/test_router/core characterizes PythonCore's public behavior
and runs every test on both cores, with nothing pending; only the names
of the Python core's own outcome callbacks are asserted on Python alone.

litellm.Router is now final: subclassing it raises TypeError at the class statement, and the
machinery that kept subclass overrides working is gone. The Rust core never honoured subclass
overrides, so they would have silently stopped running there. Custom routing goes through
register_plugin(), settings through apply() and outcomes through observe(). This is a breaking
change for anyone subclassing Router.

Fuzz parity fixes on top of the rebase: the Rust core keeps num_retries,
max_fallbacks, allowed_fails, retry_after, timeout, the tag settings,
routing_strategy_args and the fallback lists as given (the crate reads
them as numbers, update_settings casts as Python does); a deprecated
`model_list = [...]` write reaches the Rust core; a failed set_model_list
is all or nothing on both cores (the deployments served before the call
are put back and the error raised); config_deployments() is a generator and `del` of a plain
attribute works on the Rust core. Least-busy pick reservations from
main now work on the Rust core: its selectors share one reservation
store, routed calls reserve and free their unstarted picks, and
select() and batch cancel do not reserve. On the Python core a dropped
upsert takes its name back off deployment_names, and
get_deployment_order reads every numeric spelling as one int so mixed
orders no longer raise TypeError.

Rulings on the remaining differences, the Python core changed where it
was the odd one out: sync picks and picks by deployment id apply the
team filter as async picks do, so another team's deployment is refused;
the fallback lists and default_litellm_params in RouterSettings are
copies, so an in-place edit is ignored and settings change only through
apply(); one health record with an unreadable timestamp drops out alone;
an empty fallback entry is skipped; a bool cooldown_time is refused at
construction, a bool or string cooldown_time on a deployment or a call
falls back to the router default, and a failure status that no HTTP
status can be is recorded as 500; an infinite or NaN cost and a whole
number wider than 64 bits (ptu_shares) are refused on both cores with
the same error (litellm/router_utils/deployment_numbers.py); and a
/v1/messages stream whose provider iterator raises cools the deployment
and retries like a non-stream call, with the Rust core waiting for that
cooldown before its retry picks.

Differences the proxy parity fuzz and its regression tests found on the
Rust core: a file upload or a batch on an uploaded file falls back only
within its own model group, as on the Python core, since the file lives
with one provider (the host sends same_group_fallbacks_only and the walk
skips targets in other groups); Decisions calls drop deployments whose
provider has no Decisions config, and deployments that refuse the audio
or videos a call carries, unless that would leave none, as the Python
core does, while the retry count still reads the whole group; a file
upload that fails on one order level is created on the next level's
deployments rather than the first level again; and a response that
cannot be converted (a text_completion body without a message) reports
only its own traceback, so a rate limit handled by the attempt before it
no longer turns the error into a 429, and both cores return 500.
2026-11-04 21:47:58 -08:00
..
a2a_protocol fix(a2a)!: bill completion-bridge agents at their own prices on /a2a send and stream (#49150) 2026-10-30 19:43:45 -07:00
accounting feat(accounting): add opt-in SpendLogs ledger (#49856) 2026-11-04 17:49:15 -08:00
anthropic_interface fix(anthropic_endpoints)!: return Anthropic error envelopes on /v1/messages auth failures (#48466) 2026-11-03 01:53:29 +00:00
batch_completion test: move routing, caching and callback tests out of local_testing (#45761) 2026-10-10 09:33:09 -07:00
batches fix(proxy): charge a video's provider-reported cost once, on the first poll that sees it completed (#49824) 2026-11-04 20:22:06 +00:00
caching feat(hosted_vllm)!: keep vLLM's stop_reason and token_ids on chat choices and stream chunks (#48393) 2026-11-02 13:26:29 -08:00
completion_extras fix(responses): keep the system prompt in input for json_object on the chat to responses bridge (#49957) 2026-11-04 13:55:50 -08:00
compression test: migrate tests/llm_translation into unit, integration and e2e tiers (#45759) 2026-10-11 07:58:53 +00:00
containers refactor(typing): clear 1181 basedpyright Any errors across 431 files (#47789) 2026-10-24 11:31:09 -07:00
cookbook feat(realtime)!: support latest OpenAI audio models (#35600) 2026-11-03 07:27:52 +00:00
db_scripts fix(vector-stores): keep proxy context out of provider vector store metadata (#47021) 2026-10-17 12:51:47 -07:00
decisions fix(least-busy): reserve the picked deployment so a burst of requests spreads out (#47484) 2026-11-05 00:30:12 +00:00
endpoints feat(vertex-ai)!: support gemini 3.1 flash tts (#31915) 2026-10-21 04:18:42 +00:00
enterprise fix(managed_files): keep the upload the managed id encodes when two target models share a deployment (#49420) 2026-11-03 00:58:41 +00:00
expected_fine_tuning_api test: move tests/test_litellm/llms into tests/unit/llms (#43191) 2026-09-25 12:43:23 -07:00
expected_responses_api_request test: move tests/test_litellm core utils, routing, responses, caching and rust_bridge into tests/unit (#43199) 2026-09-25 17:10:13 -07:00
experimental_mcp_client fix(mcp): load deprecated package aliases on demand (#48615) 2026-10-27 19:46:19 +00:00
extraction feat(extraction): add /v1/extraction with Cloudflare Clairic support (#47473) 2026-10-20 15:51:45 -07:00
files fix(hosted_vllm): accept the vLLM production-stack router's file and batch objects (#49068) 2026-10-30 23:11:34 -07:00
fine_tuning fix(fine_tuning): stop forwarding api_version to the OpenAI client (#44995) 2026-10-21 01:58:25 +00:00
fixtures test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
gateway fix(proxy): keep the litellm command light so spawned workers answer uvicorn's first health ping (#45039) 2026-10-29 10:25:14 -07:00
google_genai fix(google_genai): read one-object and null spellings of repeated fields in countTokens and generateContent (#48771) 2026-10-28 21:46:06 -07:00
harness fix(streaming)!: send the include_usage chunk with an empty choices array (#47109) 2026-10-21 02:26:05 +00:00
images feat(dashscope): add image edits and text-to-speech (#48998) 2026-10-29 17:48:38 -07:00
integration_support test(mcp): cancel disconnected HTTP tool handlers (#49436) 2026-10-31 16:41:49 -07:00
integrations fix(azure)!: answer 401 when Entra rejects the deployment's credential (#49863) 2026-11-04 20:44:55 +00:00
interactions fix(streaming): keep merged think tags balanced and split SSE lines only on CR/LF (#48755) 2026-10-28 17:00:29 -07:00
litellm_core_utils feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
litellm_proxy_extras feat(proxy): replace the pre-migration row check with a rolled-back dry run of the pending migrations (#48961) 2026-10-29 09:39:26 -07:00
llms fix(bedrock)!: keep Claude's thinking when response_format json_schema is set (#49696) 2026-11-05 04:07:11 +00:00
mcp_client feat(mcp): add an opt-in per-server setting to skip MCP tool output validation (#49961) 2026-11-03 20:42:10 -08:00
models fix(proxy): allow model instances in LiteLLM_EndUserTable validation (#41677) 2026-10-15 10:57:26 -07:00
ocr test(rust-bridge): relocate dispatch tests before routing changes (#46926) 2026-10-16 12:29:33 -07:00
passthrough fix(vllm): send the pass-through key as a bearer on both /vllm routes (#46861) 2026-10-30 08:57:48 -07:00
proxy feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
rag fix(rag)!: use team provider credentials and allow viewer and JWT team access (#45497) 2026-10-17 23:51:48 +00:00
realtime_api feat(realtime)!: support latest OpenAI audio models (#35600) 2026-11-03 07:27:52 +00:00
repositories feat(accounting): add opt-in SpendLogs ledger (#49856) 2026-11-04 17:49:15 -08:00
rerank_api test: migrate tests/llm_translation into unit, integration and e2e tiers (#45759) 2026-10-11 07:58:53 +00:00
responses fix(agentic)!: surface a failed agentic follow-up call instead of the pre-loop tool call (#49227) 2026-11-04 02:00:33 +00:00
router_rust feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
router_strategy fix(least-busy): reserve the picked deployment so a burst of requests spreads out (#47484) 2026-11-05 00:30:12 +00:00
router_utils feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
rust_bridge fix(messages): make rust messages copy python messages behaviour (#49611) 2026-11-02 21:02:52 -08:00
sandbox fix(streaming): keep merged think tags balanced and split SSE lines only on CR/LF (#48755) 2026-10-28 17:00:29 -07:00
search fix(search): price Tavily advanced and Linkup deep searches at their own cost map entries (#47411) 2026-10-19 23:32:31 -07:00
secret_managers fix(proxy): let a config license unlock enterprise settings and spell "environment" right in license errors (#49745) 2026-11-03 09:56:08 +00:00
skills feat(skills): add a litellm-setup agent skill (#47731) 2026-10-28 15:44:43 -07:00
systemone fix(databricks): reuse base OAuth for decisions (#48395) (#48527) 2026-10-26 20:18:16 -07:00
telemetry feat(telemetry): add AggregatingSink, fixed-bucket histograms, Report and HttpExporter (#45487) 2026-10-13 18:33:01 -07:00
test_router feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
text_completions feat(hosted_vllm)!: keep vLLM's stop_reason and token_ids on chat choices and stream chunks (#48393) 2026-11-02 13:26:29 -08:00
tracing fix(proxy): cooldown errors carry 429, Sentry starts at boot without request bodies, tracing failures log at ERROR, exporter counters exported (#46344) 2026-10-16 00:53:52 +00:00
types fix(responses)!: authorize and decode comparison response IDs (#49402) 2026-11-03 03:40:46 +00:00
vector_stores fix(exceptions)!: honor status code when mapping OpenAI invalid_request_error exceptions (#32537) 2026-10-29 08:05:47 -07:00
videos feat(videos): serve custom_provider_map BaseVideoConfig providers on /v1/videos (#49785) 2026-11-02 21:28:46 -08:00
__init__.py test(unit): add package markers to migrated unit test directories 2026-09-20 11:53:14 +00:00
AGENTS.md feat(vector_stores): add OpenSearch k-NN search as a vector store provider (#47759) 2026-10-29 08:15:05 -07:00
conftest.py feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
create_mock_standard_logging_payload.py test: migrate legacy unit dirs and unrun folders into tests/unit, tests/integration and tests/e2e (#45940) 2026-10-11 06:24:57 -07:00
test_a2a_registry_lookup.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_acompletion_session_reuse_e2e.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_add_deployment_no_master_key.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_aembedding_session_reuse_e2e.py refactor(llms): expose public names for private provider helpers (#45037) 2026-10-07 08:49:25 -07:00
test_anthropic_beta_gated_fields.py fix(anthropic)!: drop beta-gated body fields under drop_params (#48793) 2026-10-29 06:25:31 -07:00
test_anthropic_beta_headers_filtering.py feat(anthropic): pick the beta allowlist row per deployment and surface input_transformations (#49689) 2026-11-03 01:55:26 +00:00
test_anthropic_skills_transformation.py feat(anthropic): workload identity federation and pluggable identity sources (#44448) 2026-10-03 17:08:30 -07:00
test_assert_ci_coverage.py docs(agents): keep directory rules in nested AGENTS.md and pin integration tests to CircleCI (#46796) 2026-10-16 14:57:49 -07:00
test_assert_secret_absent.py ci: run the integration groups on GitHub Actions (#48985) 2026-10-29 12:50:08 -07:00
test_assert_workflow_dir_hygiene.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_audio_transcription_rust_bridge.py fix(bedrock): omit system prompt from audio transcription and report its token usage (#41565) 2026-10-28 19:23:15 -07:00
test_azure_ad_token_credential_resolution.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_azure_ai_grok_4_3_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_azure_ai_grok_4_6_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_baseten_glm_5_3_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_batch_completion_models_all_responses.py test: move routing, caching and callback tests out of local_testing (#45761) 2026-10-10 09:33:09 -07:00
test_bedrock_marengo_embed_3_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_build_core_distribution.py test: move packaging and install checks off CircleCI build_and_test (#45757) 2026-10-10 09:33:51 -07:00
test_cerebras_llama_model_metadata.py chore(cost-map): remove the 52 rows whose provider retired them before 2026 (#49974) 2026-11-03 16:23:06 -08:00
test_chat_ui_responses_session.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_check_licenses.py feat(proxy): embed enterprise LiteAdmin MCP in LiteLLM images (#44610) 2026-10-05 15:24:34 -07:00
test_check_mcp_operation_boundary.py refactor(mcp): drop the experimental label from the MCP server and client paths (#48513) 2026-10-27 17:47:50 +00:00
test_check_migrations_lock_timeout.py fix(proxy-extras): bound migration lock waits with SET LOCAL lock_timeout in the migration SQL (#46329) 2026-10-13 20:51:03 -07:00
test_check_migrations_no_data_rewrites.py fix(proxy-extras): build the SpendLogs indexes in the migration job instead of in migrations (#43948) 2026-10-01 14:12:22 -07:00
test_check_openapi_docs.py feat(skills): upload local skill ZIPs from the dashboard (#50008) 2026-11-04 00:56:40 -08:00
test_check_py310_typing_imports.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_check_test_quality.py test(integration): hand every harness server a port from one per-worker block (#46761) 2026-10-15 16:56:40 -07:00
test_check_type_discipline.py ci(lint): gate every rule on its merge-base count and cap Anys at a fixed total (#40193) 2026-10-08 05:39:29 +00:00
test_check_unbounded_in_lists.py test: migrate legacy unit dirs and unrun folders into tests/unit, tests/integration and tests/e2e (#45940) 2026-10-11 06:24:57 -07:00
test_check_windows_wheel_install.py test: move packaging and install checks off CircleCI build_and_test (#45757) 2026-10-10 09:33:51 -07:00
test_circleci_checkout.py ci(circleci): clone the public repo over HTTPS so main jobs stop failing at checkout (#49394) 2026-10-31 02:53:54 -07:00
test_circleci_path_filter.py refactor(mcp): drop the experimental label from the MCP server and client paths (#48513) 2026-10-27 17:47:50 +00:00
test_circleci_run_migration_tests.py test: migrate proxy security, schema migration and MCP legacy tests (#45937) 2026-10-11 16:17:24 -07:00
test_circleci_rust_toolchain.py test: migrate tests/llm_translation into unit, integration and e2e tiers (#45759) 2026-10-11 07:58:53 +00:00
test_claude_fable_5_config.py refactor(llms): expose public names for private provider helpers (#45037) 2026-10-07 08:49:25 -07:00
test_claude_haiku_5_5_config.py fix(model_prices): consolidate claude-haiku-5-5 over-100k pricing and capability flags (#45151) 2026-10-07 14:14:47 -07:00
test_claude_opus_4_6_config.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_claude_opus_4_8_config.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_claude_opus_5_config.py refactor(llms): expose public names for private provider helpers (#45037) 2026-10-07 08:49:25 -07:00
test_claude_sonnet_5_config.py refactor(cost-map): remove openrouter rows, part 5 of 5 (#45669) 2026-10-09 22:48:55 +00:00
test_cloudflare_workers_ai_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_completion_timeout_resolution.py fix(router)!: bound fake-streamed calls by the request timeout, not stream_timeout (#47162) 2026-10-17 22:08:02 +00:00
test_component_entrypoint.py feat(prometheus): cap series per metric for every labeled metric (#44420) 2026-10-06 01:28:44 +00:00
test_compression.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_conftest_isolation.py refactor(router): extract PythonCore behind RouterCore and pass the router its config (#49119) 2026-10-31 12:54:23 -07:00
test_constants.py fix(router): cap the default OTPM reservation and reconcile token counters after each call (#49054) 2026-10-29 20:32:04 -07:00
test_container_router.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_cost_calculation_log_level.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_cost_calculator.py fix(cost_calculator): keep regional and speed multipliers for per-call custom prices and log the billed per-call entry (#50063) 2026-11-04 15:47:57 -08:00
test_cost_map_guard.py fix(cost_map): mark fireworks_ai/minimax-m3 as vision and pin capabilities verified against live calls (#43390) 2026-10-29 00:23:11 -07:00
test_count_tokens_public_api.py chore(cost-map): remove the 52 rows whose provider retired them before 2026 (#49974) 2026-11-03 16:23:06 -08:00
test_dashscope_image_generation.py feat(dashscope): add image edits and text-to-speech (#48998) 2026-10-29 17:48:38 -07:00
test_daybreak_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_deepseek_model_metadata.py refactor: expose core private helpers under public names (#44871) 2026-10-07 00:05:27 +00:00
test_default_branch.py feat(lite): offer each model group's reasoning efforts in pi, OpenCode and Codex (#48949) 2026-10-29 18:15:44 -07:00
test_detect_changes.py ci: render lint, unit and smoke checks as <tier> / <job> with one collector per tier (#45480) 2026-10-09 04:28:41 +00:00
test_docker_no_network_on_deploy.py test: migrate local_testing SDK and provider tests out of build_and_test (#45760) 2026-10-10 23:14:25 +00:00
test_dockerfile_apk_repository.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_dockerfile_bedrock_realtime_extra.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_dockerfile_non_root.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_drop_params_env_var.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_e2e_egress_sentinel.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_eager_tiktoken_load.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_elevenlabs_tts_pricing.py fix(cost-map): rolling registry audit, add elevenlabs api rates, together minimax-m3.1-flash, mistral voxtral 3 and azure_ai phi-4 dates (#47623) 2026-10-23 14:57:35 -07:00
test_empty_mock_response.py fix: honor empty mock completion responses (#48162) (#48266) 2026-10-28 00:56:45 +00:00
test_env_key_doc_gate.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_exception_exports.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_exception_header_preservation.py fix(openai): keep the upstream error body on e.response for OpenAI and Azure errors (#49079) 2026-10-29 23:30:02 -07:00
test_exception_mapping_request_attribute.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_fake_openai_endpoint.py test: migrate local_testing SDK and provider tests out of build_and_test (#45760) 2026-10-10 23:14:25 +00:00
test_filter_out_litellm_params.py fix(params): validate stream_chunk_size once, before any provider call (#43222) 2026-09-26 23:01:20 +00:00
test_fireworks_serverless_model_costs.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_gate_slot_lock.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_gemini_3_1_flash_lite_image_pricing.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_gemini_4_argon_model_metadata.py feat(gemini)!: auto-continue gemini-4-argon long decodes with continuationToken (#46240) 2026-10-15 22:54:23 +00:00
test_gemini_tts_native_audio_pricing.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_get_blog_posts.py chore(blog): refresh the bundled blog posts backup with the latest 50 posts from the docs RSS feed (#49971) 2026-11-03 23:41:15 +00:00
test_git_hooks.py chore(hooks): drop Conventional Branches pre-push hook in favor of litellm_ prefix (#44951) 2026-10-20 00:35:39 +00:00
test_gpt_5_4_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_gpt_5_5_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_gpt_image_cost_calculator.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_gpt_realtime_mode.py chore(cost-map): remove the 52 rows whose provider retired them before 2026 (#49974) 2026-11-03 16:23:06 -08:00
test_groq_streaming_encoding.py fix(streaming): keep merged think tags balanced and split SSE lines only on CR/LF (#48755) 2026-10-28 17:00:29 -07:00
test_guardrail_exception_status_codes.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_guardrails.py Add guardrails.apply SDK helper (#49217) (#49469) 2026-10-31 23:37:45 +00:00
test_integration_run.py test(integration): isolate every multi-worker integration suite by default (#46027) 2026-10-12 03:46:06 -07:00
test_internal_context.py refactor(cache): remove experimental Redis and v2 caches (#50005) 2026-11-04 04:54:08 +00:00
test_lazy_imports.py fix(health)!: openai realtime health check reports healthy with a missing or invalid api key (#41233) 2026-10-29 00:40:02 -07:00
test_lint_base_counts.py revert(lint-gates): accept an empty base scan again, since zero violations is a legitimate count (#45319) 2026-10-08 08:40:08 +00:00
test_lint_workflow_diff_gates.py ci(unit): stop the full history clone on the db-and-spend shard, fetch the schema merge base by sha (#50120) 2026-11-04 22:40:38 +00:00
test_litellm_cli.py fix(proxy): keep the litellm command light so spawned workers answer uvicorn's first health ping (#45039) 2026-10-29 10:25:14 -07:00
test_litellm_overhead.py test(unit): wait on the work itself instead of fixed sleeps (#46261) 2026-10-13 12:41:06 -07:00
test_litellm_params_reserved_keys.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_logging.py feat(proxy)!: add suppress_startup_output to turn off startup prints (#47708) 2026-10-29 03:47:04 -07:00
test_lowest_latency_zero_tokens.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_main.py fix(bedrock)!: keep Claude's thinking when response_format json_schema is set (#49696) 2026-11-05 04:07:11 +00:00
test_main_module_header.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_mistral_large_4_model_metadata.py fix(cost-map): price Mistral Large 4 at its list price now that the launch sale ended (#48825) 2026-10-28 18:12:55 +00:00
test_mistral_medium_3_5_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_mistral_small_4_0_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_mistral_zai_glm_5_2_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_model_block_unblock.py refactor(router): move router callers onto the entry points and invert the proxy imports (#48847) 2026-10-29 17:26:33 +00:00
test_model_cost_aliases.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_model_param_helper.py refactor: expose core private helpers under public names (#44871) 2026-10-07 00:05:27 +00:00
test_model_prices_and_context_window.py fix(vertex-ai): sync tier prices and retirement floors (#49964) 2026-11-04 00:03:54 +00:00
test_model_response_normalization.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_muse_spark_1_1_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_muse_spark_1_2_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_muse_spark_1_3_model_metadata.py refactor(router): route the router family through RoutingContext and close the outside surface (#49118) 2026-10-30 19:18:54 -07:00
test_mutation_report.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_nested_drop_params.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_no_top_level_test_invocations.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_non_chat_routes_open_llm_spans.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_openai_embedding_encoding_format_default.py test: migrate local_testing SDK and provider tests out of build_and_test (#45760) 2026-10-10 23:14:25 +00:00
test_openai_record_replay_proxy.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_openai_service_tier_long_context_pricing.py fix(cost_calculator): bill ultrafast prompts above 272k at the ultrafast long-context rates (#43764) 2026-09-30 07:32:16 -07:00
test_openapi_docs_gate.py fix(ci): build base native extension for OpenAPI lint (#49136) 2026-10-29 16:56:44 -07:00
test_package_layout.py test(unit): make every tests/unit directory a package so pytest collection is unique 2026-09-20 11:50:59 +00:00
test_package_metadata.py chore(deps): require anyio>=4.14.0 to rule out the lock-waiter deadlock (#47378) 2026-10-19 12:37:47 -07:00
test_pre_commit_lint.py ci: run the dashboard API types and Terraform endpoint checks on every change that can alter the spec (#49022) 2026-10-29 07:19:06 -07:00
test_prisma_generate_if_needed.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_private_usage_aliases.py feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
test_process_helpers.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_project_alias_tracking.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_project_tags_pydantic.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_proxy_auth.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_pydantic_namespaces.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_rag_openai_ingestion.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_rate_limit_error_unification.py refactor(proxy): expose public names for private proxy helpers (#45170) 2026-10-07 18:59:27 -07:00
test_read_rc_version.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_redact_string_in_error_paths.py refactor: expose core private helpers under public names (#44871) 2026-10-07 00:05:27 +00:00
test_redis.py test: move routing, caching and callback tests out of local_testing (#45761) 2026-10-10 09:33:09 -07:00
test_redis_credential_provider.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_register_model_custom_pricing.py fix(main)!: carry the full per-call price entry on the logging object instead of writing litellm.model_cost (#49532) 2026-11-03 16:03:34 -08:00
test_register_model_zero_cost_persistence.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_replicate_model_key_format.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_repo_agent_skills.py feat(skills): add a litellm-setup agent skill (#47731) 2026-10-28 15:44:43 -07:00
test_responses_api_bridge_non_stream.py refactor: expose core private helpers under public names (#44871) 2026-10-07 00:05:27 +00:00
test_responses_id_security.py fix(responses)!: authorize and decode comparison response IDs (#49402) 2026-11-03 03:40:46 +00:00
test_responses_streaming_container_ownership.py fix(responses): bill a background response once, on the first read or poll that sees it finished (#45703) 2026-10-15 11:00:14 -07:00
test_retrieve_batch_bedrock_dispatch.py refactor(llms): expose public names for private provider helpers (#45037) 2026-10-07 08:49:25 -07:00
test_router_block_helpers.py refactor: expose core private helpers under public names (#44871) 2026-10-07 00:05:27 +00:00
test_router_exception_redaction.py fix(streaming)!: map stream read timeouts to litellm.Timeout on chat, messages, and responses (#47198) 2026-10-18 13:58:34 +00:00
test_router_get_settings.py ci(circleci): test Redis behavior against local Redis and print short tracebacks (#44062) 2026-10-01 13:00:54 -07:00
test_router_google_genai.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_router_model_cost_isolation.py feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
test_router_order_fallback.py feat(router): add the Rust router core with the host as its only boundary (#49513) 2026-11-04 21:47:58 -08:00
test_router_per_deployment_num_retries.py fix(images): honor max_retries and prevent Router retry amplification (#48705) 2026-10-28 10:46:47 -07:00
test_router_redis_init.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_router_retry_backoff_headers.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_router_retry_non_retryable_errors.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_router_retry_policy_update.py fix(proxy): unset DB environment variables removed from the row on every worker by row revision (#46709) 2026-10-17 03:51:05 +00:00
test_router_silent_experiment.py refactor(router): extract PythonCore behind RouterCore and pass the router its config (#49119) 2026-10-31 12:54:23 -07:00
test_router_streaming_fallback_metadata.py refactor(router): route the router family through RoutingContext and close the outside surface (#49118) 2026-10-30 19:18:54 -07:00
test_router_weighted_failover.py fix(router): stamp the failed deployment on every endpoint's attempt (#49941) 2026-11-04 11:08:21 -08:00
test_ruff_strict_gate.py ci(lint): gate every rule on its merge-base count and cap Anys at a fixed total (#40193) 2026-10-08 05:39:29 +00:00
test_sambanova_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_scaledown_model_prices.py feat(scaledown): add native text provider support (#44168) 2026-10-10 14:01:17 -07:00
test_scheduler.py fix(scheduler): read shared queue from Redis so expired dead-replica entries stop blocking waiters (#49387) 2026-10-31 11:43:46 -07:00
test_secret_redaction.py refactor(rust-bridge): require the native extension (#48852) 2026-10-28 13:16:56 -07:00
test_seed_tracing_fixtures.py refactor(lens): connect LiteLLM to the independent Lens service (#45529) 2026-10-09 16:17:05 -07:00
test_select_ui_test_scope.py fix(ci): measure PR gates from the target branch's current tip (#49078) 2026-10-29 18:28:16 -07:00
test_service_logger.py test: move 76 live top-level tests to offline unit and integration coverage (#45352) 2026-10-08 10:33:35 -07:00
test_setup_wizard.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_shared_session_integration.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_socket_policy.py test(unit): block external sockets at import time and add a socket policy regression test 2026-09-20 08:07:50 +00:00
test_spend_logs_guard.py fix(ci): flag any schema.prisma change inside model LiteLLM_SpendLogs in the spend logs guard (LIT-10240) (#48905) 2026-10-28 15:52:15 -07:00
test_ssl_verify_unit.py test(unit): stop test modules from putting their own directory on sys.path (#43421) 2026-09-28 12:20:20 -07:00
test_stream_chunk_builder_annotations.py fix(anthropic)!: send /v1/messages PDF documents to OpenAI-shaped providers as file parts (#47166) 2026-10-29 08:06:12 -07:00
test_stream_chunk_builder_citations.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_stream_chunk_builder_images.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_streaming_connection_cleanup.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_system_message_format_bug.py fix(prompt_templates): do not mutate messages in-place in function_call_prompt (#41676) 2026-10-15 14:37:11 -07:00
test_test_quality_gate.py ci(lint): gate every rule on its merge-base count and cap Anys at a fixed total (#40193) 2026-10-08 05:39:29 +00:00
test_thinking_enabled.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_together_ai_model_metadata.py chore(cost-map): remove the 52 rows whose provider retired them before 2026 (#49974) 2026-11-03 16:23:06 -08:00
test_tool_loop.py fix(responses): replay the original Responses item order, phase, and boundaries on the next chat turn (#48912) 2026-10-29 00:56:02 -07:00
test_type_check_gate.py ci(lint): gate every rule on its merge-base count and cap Anys at a fixed total (#40193) 2026-10-08 05:39:29 +00:00
test_type_discipline_gate.py ci(lint): gate every rule on its merge-base count and cap Anys at a fixed total (#40193) 2026-10-08 05:39:29 +00:00
test_typesafe_model_metadata.py fix(cost): price typesafe/jev-1.14.0 (#46594) 2026-10-14 20:27:35 -07:00
test_unit_shard_missing_paths.py ci: render lint, unit and smoke checks as <tier> / <job> with one collector per tier (#45480) 2026-10-09 04:28:41 +00:00
test_unit_shard_per_test_timeout.py ci: render lint, unit and smoke checks as <tier> / <job> with one collector per tier (#45480) 2026-10-09 04:28:41 +00:00
test_utils.py fix(bedrock)!: keep Claude's thinking when response_format json_schema is set (#49696) 2026-11-05 04:07:11 +00:00
test_utils_get_model_info.py fix(bedrock): price claude_platform calls from their own cost map rows (#48150) 2026-10-24 13:54:18 -07:00
test_utils_get_optional_params.py fix(openai): warn when the GPT-5 reasoning effort gate drops a level under drop_params (#47761) 2026-10-29 04:46:29 -07:00
test_utils_module_docstring.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_uuid_helper.py fix: support Python 3.15 (#48359) 2026-10-26 16:00:11 +00:00
test_vcr_classification.py test: move offline logging, secret manager and provider tests from legacy dirs into tests/unit (#45554) 2026-10-09 09:48:10 -07:00
test_vcr_conftest_common_banner.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_vcr_filters.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_vcr_leak_guard.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_vcr_redis_persister.py test: migrate tests/llm_translation into unit, integration and e2e tiers (#45759) 2026-10-11 07:58:53 +00:00
test_vcr_safe_body_matcher.py fix(tests): stop VCR recording and replaying a test's own localhost upstream (#43346) 2026-09-26 15:49:39 -07:00
test_version.py feat(sdk): build core from an independent packaging manifest (#44340) 2026-10-08 18:40:14 -07:00
test_vertex_ai_xai_grok_prompt_caching_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_video_generation.py refactor(router): move router callers onto the entry points and invert the proxy imports (#48847) 2026-10-29 17:26:33 +00:00
test_with_dashboard_node.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_ws_vcr.py test: move whole-unit legacy test files into tests/unit and delete dead skips (#44807) 2026-10-07 05:02:28 +00:00
test_xai_grok_4_3_model_metadata.py test: move tests/test_litellm root and small trees into tests/unit (#43186) 2026-09-25 11:30:43 -07:00
test_xai_responses_auto_routing.py fix(router)!: stop a chat-mode Mantle deployment from rewriting the shared Responses routing row (#46263) 2026-10-17 21:39:14 +00:00