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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VendorAnthropic
8 releases · 2024 – 2026 Latest: Claude Opus 5 · 63.1
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VendorOpenAI
8 releases · 2023 – 2026 Latest: GPT-5.6-sol · 60.9
Browse by model line
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AnthropicClaude Opus
7 versions · 2024 – 2026 Latest: Claude Opus 5 · 63.1
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GoogleGemini Flash
6 versions · 2025 – 2026 Latest: Gemini 3.6 Flash · 51.6
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AnthropicClaude Sonnet
6 versions · 2024 – 2026 Latest: Claude Sonnet 5 · 55.3
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OpenAIGPT-5
7 versions · 2025 – 2026 Latest: GPT-5.6-sol · 60.9
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GoogleGemini Pro
3 versions · 2025 – 2026 Latest: Gemini 3.1 Pro Preview · 47.7
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AnthropicClaude Haiku
3 versions · 2024 – 2025 Latest: Claude Haiku 4.5 · 29.9
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OpenAIGPT-4
3 versions · 2023 – 2025 Latest: GPT-4.1 · 19.6
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OpenAIOpenAI o-series
3 versions · 2024 – 2025 Latest: o4-mini · 26.1