[Bug] Haiku model incorrectly falls back to Opus instead of Sonnet
Resolved 💬 3 comments Opened Oct 31, 2025 by adrianhelvikspond Closed Nov 4, 2025
Bug Description
When I'm using the Haiku model Claude uses Opus instead. My goal with using Haiku is to save costs. Falling back to Opus is completely counter to what I want. At least fall back to Sonnet.
Environment Info
- Platform: darwin
- Terminal: iTerm.app
- Version: 2.0.29
- Feedback ID: 28589df9-d211-4c55-991e-55f632cdbfa9
Terminal output
> /model
⎿ Set model to haiku (claude-haiku-4-5-20251001)
> /status
⎿ Status dialog dismissed
> Proceed.
⏺ Claude Opus limit reached, now using Sonnet 4.5This issue has 3 comments on GitHub. Read the full discussion on GitHub ↗