> This page is for NeMo Relay, version dev.
> For other versions, use one of these documentation indexes:
> - Latest (v0.11.1) (default): https://docs.nvidia.com/nemo/relay/latest/llms.txt
> - dev: https://docs.nvidia.com/nemo/relay/dev/llms.txt
> - v0.11.1: https://docs.nvidia.com/nemo/relay/v0.11.1/llms.txt
> - v0.10.4: https://docs.nvidia.com/nemo/relay/v0.10.4/llms.txt
> - v0.9.4: https://docs.nvidia.com/nemo/relay/v0.9.4/llms.txt
> - v0.8.4: https://docs.nvidia.com/nemo/relay/v0.8.4/llms.txt
> - v0.7.3: https://docs.nvidia.com/nemo/relay/v0.7.3/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/relay/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/relay/_mcp/server.

# nemo-relay-codecs

> Provider request, response, and streaming codec implementations. Shared traits and normalized models live in `nemo-relay-types`.

Generated from `cargo doc --no-deps -p nemo-relay-builtins -p nemo-relay-diagnostics -p nemo-relay-logging -p nemo-relay-plugin-host -p nemo-relay-codecs -p nemo-relay -p nemo-relay-runtime -p nemo-relay-model-pricing -p nemo-relay-resource-metrics -p nemo-relay-observability -p nemo-relay-adaptive -p nemo-relay-pii-redaction -p nemo-relay-ffi -p nemo-relay-types -p nemo-relay-plugin -p nemo-relay-worker-proto -p nemo-relay-worker`.

Provider request, response, and streaming codec implementations. Shared traits and normalized models live in `nemo-relay-types`.

## Modules

* [anthropic](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/anthropic): Built-in codec for the Anthropic Messages API.
* [gemini_generate_content](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/gemini_generate_content): Built-in codec for the Gemini generateContent API.
* [oci_genai](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/oci_genai): Built-in codec for the Oracle Cloud Infrastructure (OCI) Generative AI chat API.
* [openai_chat](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/openai_chat): Built-in codec for the OpenAI Chat Completions API.
* [openai_responses](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/openai_responses): Built-in codec for the OpenAI Responses API.
* [resolve](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/resolve): Provider-surface detection, best-effort normalization, and construction of the matching built-in codecs from a raw payload, surface, or codec name.
* [streaming](/nemo/relay/dev/reference/api/rust-library-reference/nemo-relay-codecs/streaming): Server-sent event framing for provider streams.