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Documentation Index

Fetch the complete documentation index at: https://docs.nano-gpt.com/llms.txt

Use this file to discover all available pages before exploring further.

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LiteLLM Integration

Configure LiteLLM to proxy requests through NanoGPT while preserving the legacy reasoning_content field expected by its OpenAI-compatible connector.

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Quick configuration

Add NanoGPT to your litellm.yaml (or the equivalent configuration source): 
model_list:
  - model_name: nano-gpt
    litellm_params:
      model: openai/gpt-5.2
      api_base: https://nano-gpt.com/api/v1legacy/
      api_key: ${NANO_GPT_API_KEY}
Set your API key before launching LiteLLM: 
export NANO_GPT_API_KEY='your-api-key-here'
litellm --config litellm.yaml
LiteLLM’s OpenAI adapter expects streaming deltas in delta.reasoning_content, so the v1legacy endpoint is the recommended base URL. If you upgrade your LiteLLM deployment to parse the modern delta.reasoning field, you can switch the base URL to https://nano-gpt.com/api/v1/ instead. You can also swap model to anthropic/claude-opus-4.5 or google/gemini-3-flash-preview if you want a different default.