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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 Claude Haiku Anthropic · 3 versions · 2024 – 2025 3.93Mar 2024 12.33.5Nov 2024 29.64.5Oct 2025 INTELLIGENCE INDEX ↑ AI Model Radar aimodelradar.app · Performance: Artificial Analysis
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Anthropic Google OpenAI
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Claude Opus Gemini Flash GPT-5 Gemini Pro Claude Sonnet Claude Haiku GPT-4 OpenAI o-series

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