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Timelines

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 · AI MODEL RADAR The AI frontier The best AI model over time · 2023 – 202618365472 3.6GPT-3.5-turboFeb 2023 11.8Claude 3 OpusMar 2024 23.4o1Dec 2024 32.7Kimi K2 InstructJul 2025 39.6Gemini 3 ProNov 2025 51.4GPT-5.4Mar 2026 59.9Claude Fable 5Jun 2026 60.7Claude Opus 5Jul 2026 aimodelradar.app · Intelligence Index: Artificial Analysis

The frontier: the best-scoring model over time, and how the labs leapfrog each other. Open the frontier →

Latest release

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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