Models

Every model with a recorded change, from releases to retirements. 164 models from 10 companies.

Showing 4 models. Most popular is estimated US search interest over recent months, as of Oct 24, 2026. Searches for a family name count toward its current versions, and an older version ranks below the one that replaced it.

Claude Haiku 3Retired Apr 20, 2026
Model at Anthropic · Claude Haiku family
Retired: Claude Haiku 3 retired · Apr 20, 2026
Claude Opus 4Retired Jun 15, 2026
Model at Anthropic · Claude Opus family
Retired: Claude Sonnet 4 and Claude Opus 4 retired · Jun 15, 2026
Claude Opus 4.1Retired Aug 5, 2026
Model at Anthropic · Claude Opus family
Retired: Claude Opus 4.1 retired · Aug 5, 2026
Claude Sonnet 4Retired Jun 15, 2026
Model at Anthropic · Claude Sonnet family
Retired: Claude Sonnet 4 and Claude Opus 4 retired · Jun 15, 2026