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Anthropic

Claude Opus release timeline

7 versions across 2024 – 2026. Heights show the Artificial Analysis Intelligence Index for each release. The latest is Claude Opus 5.

RELEASE TIMELINE · AI MODEL RADAR Claude Opus Anthropic · 7 versions · 2024 – 202619375674 11.83Mar 2024 34.54.1Aug 2025 41.94.5Nov 2025 44.94.6Feb 2026 55.04.7Apr 2026 57.34.8May 2026 63.15Jul 2026 aimodelradar.app · Intelligence Index: Artificial Analysis
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Anthropic Google OpenAI
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Claude Opus Gemini Flash Claude Sonnet GPT-5 Gemini Pro Claude Haiku GPT-4 OpenAI o-series

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