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Anthropic release timeline

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

RELEASE TIMELINE · AI MODEL RADAR Anthropic Anthropic · 8 versions · 2024 – 202618365472 11.83 OpusMar 2024 43.7Opus 4.6Feb 2026 47.2Sonnet 4.6Feb 2026 53.5Opus 4.7Apr 2026 55.7Opus 4.8May 2026 59.9Fable 5Jun 2026 53.4Sonnet 5Jun 2026 60.7Opus 5Jul 2026 aimodelradar.app · Intelligence Index: Artificial Analysis
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Anthropic OpenAI Google
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Claude Opus Claude Sonnet GPT-5 Gemini Flash Gemini Pro Claude Haiku GPT-4 OpenAI o-series

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