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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.

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SillyTavern Integration

Configure NanoGPT:
  • Select “OpenAI” as the API type (NanoGPT uses an OpenAI-compatible API)
  • Enter your NanoGPT API key
  • Set the API URL to: https://nano-gpt.com/api/v1 (SillyTavern understands the modern delta.reasoning stream)
  • Set the Model to: openai/gpt-6.1-sol (or anthropic/claude-opus-5.5, google/gemini-flash-latest)
Important Note: If you choose the Chat Completions endpoint in SillyTavern, you will see NanoGPT automatically appear as an option.

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Image Generation

SillyTavern has a built-in NanoGPT image source, so you do not need to enter an image API URL.
  1. Save your NanoGPT API key under API Connections (Chat Completion → NanoGPT). The image source reuses that key.
  2. Open Extensions → Image Generation and set Source to NanoGPT.
  3. Pick a model from the Model list. SillyTavern loads it from NanoGPT’s image catalog.
  4. Choose a Resolution the model supports. SillyTavern defaults to 512x512, which some models reject. GPT Image 2.5, for example, needs at least 1024x1024 (or another supported size such as 1536x1024).
SillyTavern’s OpenAI image source always calls OpenAI directly and cannot be pointed at NanoGPT. Use the NanoGPT source instead.
SillyTavern reads images from the inline b64_json field. Very large outputs (roughly over 3.5 MB, for example 4K PNGs) are returned as a download url instead, which SillyTavern cannot display. Use a smaller resolution if generation fails for large sizes.