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GPT-5 release timeline

7 versions across 2025 – 2026. Heights show the Artificial Analysis Intelligence Index for each release. The latest is GPT-5.6-sol.

RELEASE TIMELINE · AI MODEL RADAR GPT-5 OpenAI · 7 versions · 2025 – 202617355270 34.75Aug 2025 36.95.1Nov 2025 42.25.2Dec 2025 44.35.3Feb 2026 51.45.4Mar 2026 54.85.5Apr 2026 58.95.6Jun 2026 aimodelradar.app · Intelligence Index: Artificial Analysis
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