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Anthropic · Model retirement

claude-3-7-sonnet-latest

Stopped working

Calls to the model claude-3-7-sonnet-latest on Anthropic stopped working on February 19, 2026.

What to use instead of claude-3-7-sonnet-latest

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

Facts

API
Anthropic api.anthropic.com
Model
claude-3-7-sonnet-latest
Kind
Model retirement
Announced
October 28, 2025
Takes effect
February 19, 2026
Calls after that day
Fail
Source
Deprecations page
Last updated

claude-3-7-sonnet-latest on other APIs

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