# claude-1.3

Calls to the model claude-1.3 on Anthropic stopped working on November 6, 2024.

- API: Anthropic (api.anthropic.com)
- Model: claude-1.3
- Kind: Model retirement
- Takes effect: November 6, 2024
- Calls after that day: fail
- Calls it hits: `model claude-1.3`
- Source: [Deprecations page](https://platform.claude.com/docs/en/about-claude/model-deprecations)
- Page: https://www.okapi.bot/models/anthropic/claude-1.3/

## What to use instead

Move to claude-haiku-4-5-20251001, recommended by Anthropic.