Using NVIDIA NIM free model with feynman. Remember to put NVIDIA_API_KEY in your .zshrc or similar. Here is the configure: home dir > .feynman > agent > models.json

models.json

{
  "providers": {
    "NVIDIA": {
      "baseUrl": "https://integrate.api.nvidia.com/v1",
      "apiKey": "NVIDIA_API_KEY",
      "api": "openai-completions",
      "models": [
        {
          "id": "moonshotai/kimi-k2.6"
        },
        {
          "id": "deepseek-ai/deepseek-v4-pro"
        },
        {
          "id": "deepseek-ai/deepseek-v4-flash"
        },
        {
          "id": "z-ai/glm5.1"
        },
        {
          "id": "mistralai/mistral-medium-3.5-128b"
        }
      ]
    },
    "litellm": {
      "baseUrl": "http://localhost:4000/v1",
      "apiKey": "LITELLM_MASTER_KEY",
      "api": "openai-completions",
      "authHeader": true,
      "models": [
        {
          "id": "gemini-3.1-flash-lite-preview"
        },
        {
          "id": "gemini-pro-latest"
        },
        {
          "id": "gemini-flash-latest"
        },
        {
          "id": "gemma-4-31b-it"
        }
      ]
    }
  }
}