# anthropic/claude-sonnet-4.5

Orcarouter deprecated the model anthropic/claude-sonnet-4.5 without giving a shutdown date yet.

- API: Orcarouter (api.orcarouter.ai)
- Model: anthropic/claude-sonnet-4.5
- Kind: Model retirement
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model anthropic/claude-sonnet-4.5`
- Source: [models.dev](https://models.dev/api.json#orcarouter)
- Verified: October 29, 2026, against Orcarouter's own pages
- Page: https://www.okapi.bot/models/orcarouter/anthropic/claude-sonnet-4.5/

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