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Anthropic · Model retirement

claude-3-5-sonnet-20240620

Stopped working

Calls to the model claude-3-5-sonnet-20240620 on Anthropic stopped working on October 28, 2025.

What to use instead of claude-3-5-sonnet-20240620

Move to claude-sonnet-5-5, recommended by Anthropic.

Facts

API
Anthropic api.anthropic.com
Model
claude-3-5-sonnet-20240620
Kind
Model retirement
Takes effect
October 28, 2025
Calls after that day
Fail
Source
Deprecations page
Last updated

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