AI model release timelines
Every major model line and vendor as a visual timeline — each version, its release date and how performance has improved over time. Pick a vendor like Anthropic or OpenAI, or a model line like Claude Opus. Built to share.
The frontier: the best-scoring model over time, and how the labs leapfrog each other. Open the frontier →
Latest release
Browse by vendor
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VendorOpenAI
8 releases · 2023 – 2026 Latest: GPT-6.1-sol · 54.6
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VendorGoogle
8 releases · 2025 – 2026 Latest: Gemini 3.8 Flash · 30.8
Browse by model line
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AnthropicClaude Fable
3 versions · 2026 Latest: Claude Fable 5.2
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AnthropicClaude Haiku
4 versions · 2024 – 2026 Latest: Claude Haiku 5.5 · 36.5
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AnthropicClaude Sonnet
7 versions · 2024 – 2026 Latest: Claude Sonnet 5.5 · 54.5
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OpenAIGPT-6
2 versions · 2026 Latest: GPT-6.1-sol · 54.6
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AnthropicClaude Opus
8 versions · 2024 – 2026 Latest: Claude Opus 5.5 · 59.1
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GoogleGemini Flash
8 versions · 2025 – 2026 Latest: Gemini 3.8 Flash · 30.8
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OpenAIGPT-5
7 versions · 2025 – 2026 Latest: GPT-5.6-sol · 47.0
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GoogleGemini Pro
3 versions · 2025 – 2026 Latest: Gemini 3.1 Pro Preview · 29.7
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OpenAIGPT-4
3 versions · 2023 – 2025 Latest: GPT-4.1 · 12.7
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OpenAIOpenAI o-series
3 versions · 2024 – 2025 Latest: o4-mini · 16.7