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Anthropic

When was Claude 3.7 Sonnet released? February 24, 2025

Yes. Claude 3.7 Sonnet was released on February 24, 2025.

A browser notification for each confirmed release in this family. No account or email.

Lab
Anthropic
Family
Claude
Release date
Source
Wikipedia · Claude (model release history)

About Claude 3.7 Sonnet

Claude 3.7 Sonnet, in February 2025, refined the line with hybrid reasoning. Public date from the family biography or the public catalogue; a listing date is not always the release day.

Next Claude model to watch

Questions

When was Claude 3.7 Sonnet released?
Claude 3.7 Sonnet was released on February 24, 2025.
Who makes Claude 3.7 Sonnet?
Claude 3.7 Sonnet is made by Anthropic.
What comes after Claude 3.7 Sonnet?
Claude Sonnet 4, released on May 22, 2025.