Anthropic
claude-1.3 model retirement
Stopped workingSubscribe to AnthropicShare
Calls to the model claude-1.3 on Anthropic stopped working on November 6, 2024.
The error you get
What Anthropic answers a call to claude-1.3 once the model is gone, as recorded from real responses:
{"type":"error","error":{"type":"not_found_error","message":"model: claude-1.3"}}What to use instead of claude-1.3
Move to claude-haiku-4-5-20251001, recommended by Anthropic.
In Anthropic's words
Retirement date: November 6, 2024; Deprecated model: claude-1.3; Recommended replacement: claude-haiku-4-5-20251001
Facts
- API
- Anthropic
api.anthropic.com - Model
claude-1.3- Kind
- Model retirement
- Takes effect
- November 6, 2024
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Anthropic's own pages
Questions
When does claude-1.3 shut down?
Calls to the model claude-1.3 on Anthropic stopped working on November 6, 2024.
What happens to calls after November 6, 2024?
They have failed since November 6, 2024.
What error does claude-1.3 return once it is shut down?
Anthropic answers HTTP 404: "model: claude-1.3". Send another model to fix it.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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You fixed this one by hand.
Okapi opens the pull request with the fix before the next breaking change reaches your code.