AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Anthropic

Models18
First releaseMar 14 2023 (Claude 1)
Latest releaseFeb 17 2026 (Claude Sonnet 4.6)
Active years4
Best GPQA Diamond91.3% (Claude Opus 4.6)
Best SWE-Bench80.9% (Claude Opus 4.5)