Version history

Every shipped version of this model. Click a marker to open its release page.

3 - Mar 433.5 - Jun 203.53.7 - Feb 243.74 - May 2244.5 - Sep 294.54.6 - Feb 174.65 - Jun 3052024 Q22024 Q32024 Q42025 Q12025 Q22025 Q32025 Q42026 Q12026 Q22026 Q3
AI Model

Claude Sonnet

byAnthropic

Anthropic's balanced model offering strong performance at a lower cost than Opus.

Latest version:5Released

All Versions

Claude Sonnet 5

Released
Released on June 30, 2026

Claude Sonnet 4.6

Released
Released on February 17, 2026

Claude Sonnet 4.5

Released
Released on September 29, 2025

Claude Sonnet 4

Released
Released on May 22, 2025

Claude Sonnet 3.7

Released
Released on February 24, 2025

Claude Sonnet 3.5

Released
Released on June 20, 2024

Claude Sonnet 3

Released
Released on March 4, 2024