diff --git a/.github/actions/rust-bridge/action.yml b/.github/actions/rust-bridge/action.yml
new file mode 100644
index 00000000000..99002d4f287
--- /dev/null
+++ b/.github/actions/rust-bridge/action.yml
@@ -0,0 +1,19 @@
+name: Set up the Rust bridge
+description: Select the shared Rust bridge artifact or the Cargo cache
+inputs:
+  artifact:
+    description: Rust bridge artifact name
+    required: false
+    default: ""
+runs:
+  using: composite
+  steps:
+    - name: Restore the Cargo build cache
+      if: inputs.artifact == ''
+      uses: ./.github/actions/cache-cargo-build
+    - name: Download the Rust bridge artifact
+      if: inputs.artifact != ''
+      uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e
+      with:
+        name: ${{ inputs.artifact }}
+        path: rust-bridge-dist
diff --git a/.github/workflows/_test-unit-base.yml b/.github/workflows/_test-unit-base.yml
index 7db01d721cf..851230be849 100644
--- a/.github/workflows/_test-unit-base.yml
+++ b/.github/workflows/_test-unit-base.yml
@@ -69,6 +69,11 @@ on:
         description: "Unique name for the coverage artifact (must be unique per run)"
         required: true
         type: string
+      rust-bridge-artifact:
+        description: "Prebuilt editable Rust bridge artifact"
+        required: false
+        type: string
+        default: ""
 permissions:
   contents: read
 
@@ -118,17 +123,28 @@ jobs:
         timeout-minutes: 5
         uses: ./.github/actions/cache-uv-downloads
 
-      - name: Cache the Rust build
+      - name: Set up the Rust build
         if: steps.changes.outputs.decision != 'skip'
         timeout-minutes: 5
-        uses: ./.github/actions/cache-cargo-build
+        uses: ./.github/actions/rust-bridge
+        with:
+          artifact: ${{ inputs.rust-bridge-artifact }}
 
       - name: Install dependencies
         if: steps.changes.outputs.decision != 'skip'
         timeout-minutes: 8
+        env:
+          RUST_BRIDGE_ARTIFACT: ${{ inputs.rust-bridge-artifact }}
         run: |
           diff -u model_prices_and_context_window.json litellm/model_prices_and_context_window_backup.json
-          .github/scripts/uv_sync_with_retries.sh --frozen --group ci --group proxy-dev --extra google --extra proxy --extra semantic-router --extra saml --extra caching --extra extra_proxy --extra proxy-runtime
+          if [ -z "$RUST_BRIDGE_ARTIFACT" ]; then
+            .github/scripts/uv_sync_with_retries.sh --frozen --group ci --group proxy-dev --extra google --extra proxy --extra semantic-router --extra saml --extra caching --extra extra_proxy --extra proxy-runtime
+          else
+            .github/scripts/uv_sync_with_retries.sh --frozen --group ci --group proxy-dev --extra google --extra proxy --extra semantic-router --extra saml --extra caching --extra extra_proxy --extra proxy-runtime --no-install-project
+            uv pip install --no-deps --python .venv/bin/python rust-bridge-dist/*.whl
+            cp rust-bridge-dist/litellm/rust_bridge/_native.abi3.so litellm/rust_bridge/_native.abi3.so
+            uv run --no-sync python -c "import importlib.metadata; import litellm.rust_bridge._native; print(importlib.metadata.version('litellm'))"
+          fi
           uv run --no-sync python -c 'import os, sys; print(sys.version); assert f"{sys.version_info.major}.{sys.version_info.minor}" == os.environ["UV_PYTHON"]'
 
       - name: Cache Prisma binaries
diff --git a/.github/workflows/test-unit.yml b/.github/workflows/test-unit.yml
index 5f9ea430069..6f0da90fd66 100644
--- a/.github/workflows/test-unit.yml
+++ b/.github/workflows/test-unit.yml
@@ -21,10 +21,8 @@ concurrency:
 # files that each wrapped a single call to _test-unit-base.yml. Adding a shard is
 # now one matrix entry rather than a new file.
 #
-# `name` is the shard id and nothing else, so each check reports as
-# "<shard> / Run tests" exactly as it did when the shard had its own file. Those
-# strings are the branch ruleset's required contexts, so they are load-bearing:
-# renaming an entry renames a required check and the ruleset stops matching it.
+# `name` is the shard id, and each check reports as "<shard> / Run tests".
+# Unit shard names are not required ruleset contexts, so matrix entries can be split freely.
 #
 # Every entry states its timeouts even when they equal the base workflow's
 # defaults. An absent matrix key renders as an empty string, which is not a
@@ -36,8 +34,101 @@ concurrency:
 # Folding it in here is a follow-up, together with generalising that guard into
 # assert_ci_coverage.py.
 jobs:
+  rust-bridge:
+    name: Build the Rust bridge
+    outputs:
+      artifact: ${{ steps.rust-bridge-artifact.outputs.name }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+    env:
+      UV_PYTHON: "3.12"
+    steps:
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955
+        with:
+          persist-credentials: false
+
+      - name: Detect relevant changes
+        id: changes
+        timeout-minutes: 2
+        uses: ./.github/actions/detect-changes
+
+      - name: Define editable Rust bridge cache key
+        id: rust-bridge-key
+        if: steps.changes.outputs.decision != 'skip'
+        env:
+          RUST_BRIDGE_CACHE_KEY: ${{ runner.os }}-rust-bridge-editable-${{ hashFiles('litellm-rust/Cargo.lock', 'litellm-rust/Cargo.toml', 'litellm-rust/crates/**', 'pyproject.toml') }}
+        run: echo "key=$RUST_BRIDGE_CACHE_KEY" >> "$GITHUB_OUTPUT"
+
+      - name: Set up Python
+        if: steps.changes.outputs.decision != 'skip'
+        timeout-minutes: 3
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065
+        with:
+          python-version: ${{ env.UV_PYTHON }}
+
+      - name: Set up uv
+        if: steps.changes.outputs.decision != 'skip'
+        timeout-minutes: 3
+        uses: ./.github/actions/setup-uv-with-retries
+        with:
+          version: "0.10.9"
+
+      - name: Restore editable Rust bridge
+        id: rust-bridge-cache
+        if: steps.changes.outputs.decision != 'skip'
+        timeout-minutes: 5
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830
+        with:
+          path: rust-bridge-dist
+          key: ${{ steps.rust-bridge-key.outputs.key }}
+
+      - name: Cache the Rust build
+        if: steps.changes.outputs.decision != 'skip' && steps.rust-bridge-cache.outputs.cache-hit != 'true'
+        timeout-minutes: 5
+        uses: ./.github/actions/cache-cargo-build
+
+      - name: Build editable Rust bridge
+        if: steps.changes.outputs.decision != 'skip' && steps.rust-bridge-cache.outputs.cache-hit != 'true'
+        timeout-minutes: 15
+        run: |
+          mkdir -p rust-bridge-dist
+          uv run --no-project --with maturin==1.15.0 python -c 'import maturin; maturin.build_editable("rust-bridge-dist")'
+          strip --strip-debug litellm/rust_bridge/_native.abi3.so
+          mkdir -p rust-bridge-dist/litellm/rust_bridge
+          cp litellm/rust_bridge/_native.abi3.so rust-bridge-dist/litellm/rust_bridge/_native.abi3.so
+
+      - name: Upload Rust bridge artifact
+        if: steps.changes.outputs.decision != 'skip'
+        timeout-minutes: 10
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1
+        with:
+          name: rust-bridge-${{ github.run_id }}-${{ github.run_attempt }}
+          path: rust-bridge-dist/
+          retention-days: 1
+
+      - name: Save editable Rust bridge
+        if: steps.changes.outputs.decision != 'skip' && github.ref == 'refs/heads/main' && steps.rust-bridge-cache.outputs.cache-hit != 'true'
+        timeout-minutes: 10
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830
+        with:
+          path: rust-bridge-dist
+          key: ${{ steps.rust-bridge-key.outputs.key }}
+
+      - name: Expose the Rust bridge artifact
+        id: rust-bridge-artifact
+        if: steps.changes.outputs.decision != 'skip'
+        timeout-minutes: 1
+        env:
+          RUN_ID: ${{ github.run_id }}
+          RUN_ATTEMPT: ${{ github.run_attempt }}
+        run: echo "name=rust-bridge-${RUN_ID}-${RUN_ATTEMPT}" >> "$GITHUB_OUTPUT"
+
   unit:
     name: ${{ matrix.shard }}
+    needs: rust-bridge
+    if: ${{ !cancelled() }}
     permissions:
       contents: read
       id-token: write
@@ -51,8 +142,8 @@ jobs:
             test-path: >-
               tests/unit/decisions
               tests/unit/litellm_core_utils
-            workers: 2
-            reruns: 1
+            workers: 4
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -74,7 +165,7 @@ jobs:
               tests/unit/enterprise/proxy/test_file_deletion_blocking.py
               tests/unit/enterprise/proxy/test_managed_files_access_check.py
               tests/unit/enterprise/proxy/test_managed_files_hook.py
-            workers: 2
+            workers: 4
             reruns: 2
             timeout-minutes: 20
             job-timeout-minutes: 60
@@ -85,8 +176,8 @@ jobs:
               tests/test_litellm/integrations
               tests/test_litellm/tracing
               tests/unit/integrations
-            workers: 2
-            reruns: 3
+            workers: 4
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -94,8 +185,8 @@ jobs:
             artifact-name: llm-vertex-ai
             test-path: >-
               tests/unit/llms/vertex_ai
-            workers: 1
-            reruns: 2
+            workers: 4
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -104,9 +195,21 @@ jobs:
             test-path: >-
               tests/unit/llms
               --ignore=tests/unit/llms/vertex_ai
+              --ignore=tests/unit/llms/openai
+              --ignore=tests/unit/llms/meta
               --ignore=tests/unit/llms/base_llm/batches/base_batches_config_test.py
-            workers: 2
-            reruns: 2
+            workers: 4
+            reruns: 0
+            timeout-minutes: 20
+            job-timeout-minutes: 60
+
+          - shard: OpenAI and Meta Providers
+            artifact-name: llm-openai-meta
+            test-path: >-
+              tests/unit/llms/openai
+              tests/unit/llms/meta
+            workers: 4
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -115,6 +218,14 @@ jobs:
             test-path: >-
               tests/test_litellm/test_*.py
               tests/unit/test_*.py
+            workers: 4
+            reruns: 2
+            timeout-minutes: 20
+            job-timeout-minutes: 60
+
+          - shard: misc-dirs
+            artifact-name: misc-dirs
+            test-path: >-
               tests/unit/test_router
               tests/unit/a2a_protocol
               tests/unit/batches
@@ -135,8 +246,8 @@ jobs:
               tests/unit/vector_stores
               tests/unit/videos
               --ignore=tests/unit/rust_bridge/native_route_wheel_test.py
-            workers: 2
-            reruns: 2
+            workers: 4
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -144,9 +255,6 @@ jobs:
             artifact-name: proxy-auth
             test-path: >-
               tests/unit/proxy/auth
-              tests/unit/proxy/hooks
-              tests/unit/proxy/policy_engine
-              tests/unit/proxy/client
               --ignore=tests/unit/proxy/auth/test_auth_checks.py
               --ignore=tests/unit/proxy/auth/test_user_api_key_auth.py
               --ignore=tests/unit/proxy/auth/test_default_end_user_budget_simple.py
@@ -154,35 +262,56 @@ jobs:
               --ignore=tests/unit/proxy/auth/test_models_fallback_endpoint.py
               --ignore=tests/unit/proxy/auth/test_multipart_bypass_repro.py
               --ignore=tests/unit/proxy/auth/test_proxy_routes.py
+            workers: 4
+            reruns: 0
+            timeout-minutes: 20
+            job-timeout-minutes: 60
+
+          - shard: proxy-hooks-client
+            artifact-name: proxy-hooks-client
+            test-path: >-
+              tests/unit/proxy/hooks
+              tests/unit/proxy/policy_engine
+              tests/unit/proxy/client
               --ignore=tests/unit/proxy/hooks/test_banned_keyword_list.py
               --ignore=tests/unit/proxy/hooks/test_unit_test_max_model_budget_limiter.py
-            workers: 2
-            reruns: 2
+            workers: 4
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
           - shard: proxy-endpoints
             artifact-name: proxy-endpoints
             test-path: >-
+              tests/unit/proxy/management_endpoints
+              tests/unit/proxy/management_helpers
+              tests/unit/proxy/list_api
               tests/unit/proxy/analytics_endpoints
               tests/unit/proxy/decisions_endpoints
-              tests/unit/proxy/management_endpoints
-              tests/unit/proxy/list_api
               tests/unit/proxy/memory
-              tests/unit/proxy/guardrails
-              tests/unit/proxy/management_helpers
+              tests/unit/proxy/agent_endpoints
+              tests/unit/proxy/openai_files_endpoint
+              tests/unit/proxy/health_endpoints
+              tests/unit/proxy/batches_endpoints
               --ignore=tests/unit/proxy/management_endpoints/test_jwt_key_mapping.py
               --ignore=tests/unit/proxy/management_endpoints/test_key_generate_prisma.py
               --ignore=tests/unit/proxy/management_endpoints/test_roi_calculator_endpoints.py
               --ignore=tests/unit/proxy/management_helpers/test_audit_logs_proxy.py
+            workers: 4
+            reruns: 0
+            timeout-minutes: 20
+            job-timeout-minutes: 60
+
+          - shard: proxy-feature-endpoints
+            artifact-name: proxy-feature-endpoints
+            test-path: >-
+              tests/unit/proxy/guardrails
               --ignore=tests/unit/proxy/google_endpoints/test_gemini_agents_endpoints.py
               --ignore=tests/unit/proxy/google_endpoints/test_google_endpoint_routing.py
               --ignore=tests/unit/proxy/google_endpoints/test_google_gemini_proxy_request.py
               --ignore=tests/unit/proxy/public_endpoints/test_blog_posts_endpoint.py
               tests/unit/proxy/anthropic_endpoints
               tests/unit/proxy/google_endpoints
-              tests/unit/proxy/openai_files_endpoint
-              tests/unit/proxy/batches_endpoints
               tests/unit/proxy/container_endpoints
               tests/unit/proxy/fine_tuning_endpoints
               tests/unit/proxy/vector_store_files_endpoints
@@ -192,11 +321,9 @@ jobs:
               tests/unit/proxy/ocr_endpoints
               tests/unit/proxy/search_endpoints
               tests/unit/proxy/vector_store_endpoints
-              tests/unit/proxy/agent_endpoints
               tests/unit/proxy/a2a
               tests/unit/proxy/credential_endpoints
               tests/unit/proxy/discovery_endpoints
-              tests/unit/proxy/health_endpoints
               tests/unit/proxy/shutdown
               tests/unit/proxy/public_endpoints
               tests/unit/proxy/prompts
@@ -207,7 +334,7 @@ jobs:
               tests/unit/proxy/config_resolvers
               tests/unit/proxy/utils
             workers: 4
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -215,7 +342,7 @@ jobs:
             artifact-name: proxy-server
             test-path: "tests/unit/proxy/proxy_server"
             workers: 4
-            reruns: 2
+            reruns: 0
             timeout-minutes: 60
             job-timeout-minutes: 100
 
@@ -247,7 +374,7 @@ jobs:
               tests/unit/proxy/management_endpoints/test_roi_calculator_endpoints.py
               tests/unit/proxy/roi_calculator
             workers: 4
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -281,7 +408,7 @@ jobs:
               --ignore=tests/unit/proxy/test_update_spend.py
               --ignore=tests/unit/proxy/test_zero_cost_model_budget_bypass.py
             workers: 4
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -290,7 +417,7 @@ jobs:
             test-path: >-
               tests/unit/caching
             workers: 2
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -299,7 +426,7 @@ jobs:
             test-path: >-
               tests/unit/litellm_proxy_extras
             workers: 2
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -309,16 +436,25 @@ jobs:
               tests/unit/enterprise/integrations
               tests/unit/enterprise/proxy/auth
               tests/unit/enterprise/proxy/guardrails
-              tests/unit/enterprise/proxy/hooks
               tests/unit/enterprise/proxy/management_endpoints
               tests/unit/enterprise/proxy/test_audit_logging_endpoints.py
               tests/unit/enterprise/proxy/test_liteadmin.py
               tests/unit/enterprise/enterprise_callbacks/test_prometheus_logging_callbacks.py
             workers: 4
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
+          - shard: enterprise-managed-files
+            artifact-name: enterprise-managed-files
+            test-path: >-
+              tests/unit/enterprise/proxy/hooks
+            workers: 4
+            reruns: 0
+            timeout-minutes: 20
+            job-timeout-minutes: 60
+            dist: load
+
           - shard: responses-caching-types
             artifact-name: responses-caching-types
             test-path: >-
@@ -326,7 +462,7 @@ jobs:
               tests/unit/types
               --ignore=tests/unit/responses/mcp
             workers: 2
-            reruns: 2
+            reruns: 0
             timeout-minutes: 20
             job-timeout-minutes: 60
 
@@ -353,9 +489,11 @@ jobs:
             job-timeout-minutes: 60
     uses: ./.github/workflows/_test-unit-base.yml
     with:
+      rust-bridge-artifact: ${{ needs.rust-bridge.outputs.artifact }}
       test-path: ${{ matrix.test-path }}
       workers: ${{ matrix.workers }}
       reruns: ${{ matrix.reruns }}
       timeout-minutes: ${{ matrix.timeout-minutes }}
       job-timeout-minutes: ${{ matrix.job-timeout-minutes }}
+      dist: ${{ matrix.dist || 'loadscope' }}
       artifact-name: ${{ matrix.artifact-name }}