Anthropic
Claude Opus release timeline
5 versions across 2025 – 2026. Heights show the Artificial Analysis Intelligence Index for each release. The latest is Claude Opus 4.8.
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Versions on this timeline
- Claude Opus 4.8 55.7 Released May 2026
- Claude Opus 4.7 53.5 Released Apr 2026
- Claude Opus 4.6 43.7 Released Feb 2026
- Claude Opus 4.5 40.8 Released Nov 2025
- Claude Opus 4.1 33.7 Released Aug 2025
Get the next Claude Opus release the moment it ships.
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