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Anthropic

Claude Haiku release timeline

3 versions across 2024 – 2025. Heights show the Artificial Analysis Intelligence Index for each release. The latest is Claude Haiku 4.5.

RELEASE TIMELINE · AI MODEL RADAR Claude Haiku Anthropic · 3 versions · 2024 – 20255101621 5.63Mar 2024 8.93.5Nov 2024 17.64.5Oct 2025 aimodelradar.app · Intelligence Index: Artificial Analysis
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Claude Fable Gemini Flash Claude Opus Claude Sonnet GPT-5 Gemini Pro Claude Haiku GPT-4 OpenAI o-series

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