# claude-opus-4-1@20250805

Vertex AI deprecated the model claude-opus-4-1@20250805 without giving a shutdown date yet.

- API: Vertex AI (aiplatform.googleapis.com)
- Model: claude-opus-4-1@20250805
- Kind: Model retirement
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model claude-opus-4-1@20250805`
- Source: [models.dev](https://models.dev/api.json#google-vertex)
- Page: https://www.okapi.bot/models/vertex-ai/claude-opus-4-1-20250805/