LiteLLM

These examples use the website API host, which currently lists their recommended models. The direct API host can have a different catalog during rollouts. For larger requests or longer runtimes, use https://api.nano-gpt.com/api/v1 with a model from that host’s catalog. See API Hosts for limits and availability checks.

Quick configuration

Add NanoGPT to your litellm.yaml (or the equivalent configuration source):

model_list:
  - model_name: nano-gpt
    litellm_params:
      model: openai/gpt-6.1-sol
      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-5.5 or google/gemini-flash-latest if you want a different default.

Get Started

Endpoint Examples

API Reference

Miscellaneous

Partner

Integrations

LiteLLM Integration

Quick configuration

​LiteLLM Integration

​Quick configuration

LiteLLM Integration

Quick configuration