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vllm/docs/serving/online_serving/renderer.md
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wang.yuqiGitHubgemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>Cyrus LeungHarry Mellor
257af77bc2 [Docs] Reorganize online serving docs. (#41907)
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# Renderer APIs
Our renderer API is designed to disaggregate the render phase(preprocessing) and enable a token-in / token-out API server.
- GPU-less deployment of frontend: Allow preprocessing (tokenization, MM input processing) and postprocessing (detokenization, tool call parsing, reasoning parsing) to run without GPU.
- Disaggregated tokenization: Support use cases such as llm-d, Dynamo, and custom frontends that need to leverage vLLM's preprocessing logic without running the full inference engine.
- Tokens-in / tokens-out engine: Make the engine a pure token-in / token-out service, decoupled from request preprocessing.
## API Reference
- [Completions Render API](renderer.md) (`/v1/completions/render`)
- Render completion requests
- [Chat Completions Render API](renderer.md) (`/v1/chat/completions/render`)
- Render chat completions