litellm/litellm-rust/crates/router/README.md
devin-ai-integration[bot] de74f81c69
chore(rust): prune inference deps and rewrite layering docs (#44836)
* chore(rust): prune unused inference crate dependencies

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* docs(rust): rewrite inference layering docs for the split format crates

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* docs(rust): note transcription and RouteError alias exceptions in inference AGENTS.md

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

---------

Co-authored-by: Yujong Lee <yujong@berri.ai>
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-10-06 07:17:27 -07:00

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litellm-router scaffolds the model-list setup and deployment lookup portion of Python's litellm.Router. Router::from_model_list(&config.model_list) maps configured public names to provider deployments. Programmatic callers can collect (String, Deployment) entries into a Router

Lookup is exact and returns None for an unknown name. This extraction preserves the gateway's existing behavior: the last entry wins when public names repeat. Multiple deployments per model group, routing strategies, retries, cooldowns, and fallbacks are not implemented yet

The router owns deployment configuration and selection. The gateway handles HTTP errors and responses, while the inference-<fmt> crates execute provider calls and resolve credentials