Vendor timeline
OpenAI release timeline
8 releases across 2023 – 2026. Heights show the Artificial Analysis Intelligence Index for each release. The latest is GPT-5.6-sol.
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Releases on this timeline
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60.9
Released Jun 2026
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56.3
Released Apr 2026
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53.1
Released Mar 2026
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45.5
Released Feb 2026
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43.3
Released Dec 2025
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37.5
Released Nov 2025
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35.3
Released Aug 2025
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3.2
Released Feb 2023
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