Claude Sonnet 4.6 Released on February 17, 2026

Anthropic released Claude Sonnet 4.6 on February 17, 2026 – almost 2 weeks after releasing their flagship Claude Opus 4.6 model.   Below are the latest benchmarks that Anthropic published in their Claude Sonnet 4.6 announcement:

 

You can read more about Anthropic Claude Sonnet 4.6 here.