OpenAI
44 releases · Nov 2022 – Sep 2026
Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research. AI Release Tracker has logged 44 OpenAI models, from GPT-3.5 (Nov 30 2022) through GPT-6 Astra (Sep 3 2026). Every release below links to a dedicated page with benchmarks, parameters, and context window.
A new OpenAI model typically arrives about every 37 days, with the next projected around Thursday, Oct 8, 2026. Its strongest benchmark results to date include GPQA Diamond (96%, on GPT-6 Astra), BrowseComp (92.2%, on GPT-5.6 Sol), and ARC-AGI-2 (95%, on GPT-6 Astra). 2 of the 44 models tracked here are open-weight or open-source; the rest are proprietary.
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Release cadence
Releases by year
Year-over-year totals for OpenAI. The current year is partial.
Releases by day of week
Which days of the week OpenAI ships on.
Best benchmark scores
All releases
44 releases · Nov 30 2022 – Sep 3 20262026
14 releases2025
22 releases2024
5 releases2023
2 releases2022
1 releaseFrequently asked questions
The most recent OpenAI model tracked on AI Release Tracker is GPT-6 Astra, released on Sep 3 2026.