Organization
Model explorer
Anthropic
25 tracked models · 8 families: Claude 5 · Claude 4 · Claude 3.7 · Claude 3.5 · Claude 3 · Claude 2 · Claude Instant · Claude 1
ReleasedModelParamsCtxElo
Jun 2026Claude Sonnet 5CLOSED—1M2490.3Jun 2026Claude Fable 5CLOSED—1M2936.7May 2026Claude Opus 4.8CLOSED—1M2794.3Apr 2026Claude Opus 4.7CLOSED—1M2702.0Feb 2026Claude Sonnet 4.6CLOSED—1M2437.8Feb 2026Claude Opus 4.6CLOSED—1M2459.4Nov 2025Claude Opus 4.5CLOSED—200K2274.5Nov 2025Claude Opus 4.5 (High)CLOSED—200K2301.0Nov 2025Claude Opus 4.5 (Medium)CLOSED—200K2283.3Oct 2025Claude Haiku 4.5CLOSED—200K1590.8Sep 2025Claude Sonnet 4.5CLOSED—200K1976.7Aug 2025Claude Opus 4.1CLOSED—200K1760.6May 2025Claude Opus 4CLOSED—200K1702.9May 2025Claude Sonnet 4CLOSED—200K1594.8Feb 2025Claude 3.7 SonnetCLOSED—200K1450.1Oct 2024Claude 3.5 HaikuCLOSED—200K1041.8Oct 2024Claude 3.5 Sonnet (New)CLOSED—200K1357.3Jun 2024Claude 3.5 SonnetCLOSED—200K1294.7Mar 2024Claude 3 HaikuCLOSED—200K707.0Mar 2024Claude 3 OpusCLOSED—200K1081.0Mar 2024Claude 3 SonnetCLOSED—200K821.3Nov 2023Claude 2.1CLOSED—200K565.4Aug 2023Claude Instant 1.2CLOSED—100K558.7Jul 2023Claude 2CLOSED—100K821.5Mar 2023Claude 1CLOSED—9K758.5Release cadence
Tracked releases per quarter
1
'23 Q1
2
'23 Q3
1
'23 Q4
3
'24 Q1
1
'24 Q2
2
'24 Q4
1
'25 Q1
2
'25 Q2
2
'25 Q3
4
'25 Q4
2
'26 Q1
4
'26 Q2