Profiles
Six built-in profiles ship with Fonn. This table is generated from the core package.
| Profile | Agent | Model | Effort | Requires |
|---|---|---|---|---|
opus-high | Claude | claude-opus-5-5 | high | Claude Code 2.1.319+ |
opus-medium Initial default | Claude | claude-opus-5-5 | medium | Claude Code 2.1.319+ |
sonnet-medium | Claude | claude-sonnet-5-5 | medium | Claude Code 2.1.319+ |
claude:fable-medium | Claude | claude-fable-5-2 | medium | Claude Code 2.1.321+ and account access |
claude:mythos-medium | Claude | claude-mythos-5-2 | medium | Claude Code 2.1.321+ and account access, eligible verified account |
codex:sol-medium Codex default | Codex | gpt-6.1-sol | medium | Codex CLI 0.167.0+ |
Anthropic controls access to Fable and Mythos. Mythos needs an eligible verified account. Selecting a profile does not grant access or change billing.
fonn profiles create focused --model sonnet --effort mediumfonn profiles default focusedfonn profilesCustom profiles live in ~/.config/fonn/profiles.json. See the profiles reference.