# claude-3-opus-latest

Calls to the model claude-3-opus-latest on Anthropic stopped working on January 5, 2026.

- API: Anthropic (api.anthropic.com)
- Model: claude-3-opus-latest
- Kind: Model retirement
- Takes effect: January 5, 2026
- Calls after that day: fail
- Calls it hits: `model claude-3-opus-latest`
- Source: [Deprecations page](https://platform.claude.com/docs/en/about-claude/model-deprecations)
- Page: https://www.okapi.bot/models/anthropic/claude-3-opus-latest/

## What to use instead

Move to claude-opus-4-8, recommended by Anthropic.
