Configuration

Model

Set the default model:

feynman model set <provider:model>

Override at runtime:

feynman --model anthropic:claude-opus-4-6

List available models:

feynman model list

Thinking level

Control the reasoning depth:

feynman --thinking high

Levels: off, minimal, low, medium, high, xhigh.

Web search

Check the current search configuration:

feynman search status

For advanced configuration, edit ~/.feynman/web-search.json directly to set Gemini API keys, Perplexity keys, or a different route.

Working directory

feynman --cwd /path/to/project

Session storage

feynman --session-dir /path/to/sessions

One-shot mode

Run a single prompt and exit:

feynman --prompt "summarize the key findings of 2401.12345"