# claude-opus-4-1

OpenCode deprecated the model claude-opus-4-1 without giving a shutdown date yet.

- API: OpenCode (opencode.ai)
- Model: claude-opus-4-1
- Released: August 5, 2025 (models.dev)
- Kind: Model retirement
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model claude-opus-4-1`
- Source: [models.dev](https://models.dev/api.json#opencode)
- Verified: November 6, 2026, against OpenCode's own pages
- Page: https://www.okapi.bot/models/opencode/claude-opus-4-1/

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent