OpenAI
Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research. AI Release Tracker has logged 41 OpenAI models, from GPT-3.5 (Nov 30 2022) through GPT-5.6 Sol (Jun 26 2026). Every release below links to a dedicated page with benchmarks, parameters, and context window.
A new OpenAI model typically arrives about every 21 days, with the next projected around Jul 17, 2026. Its strongest benchmark results to date include BullshitBench v2 (53%, on GPT-5.6 Terra), GPQA Diamond (94.4%, on GPT-5.4-Pro), and Arena Elo (Code) (1625, on GPT-5.6 Sol). 2 of the 41 models tracked here are open-weight or open-source; the rest are proprietary.
Release cadence
Expected next releaseOverdue by 16 days
Jul 17, 2026
Days since last releaseTypically every 21 days
37
Recent intervals
64
23 Apr 2026 · GPT-5.5, GPT-5.5-Pro
37
17 Mar 2026 · GPT-5.4 mini, GPT-5.4 nano
12
5 Mar 2026 · GPT-5.4, GPT-5.4-Pro
21
12 Feb 2026 · GPT-5.3-Codex-Spark
7
Best benchmark scores
BullshitBench v2
GPT-5.6 Terra
53%
#16 of 64Best: Claude Opus 4.8 · 95%
GPQA Diamond
GPT-5.4-Pro
94.4%
#1Best published GPQA score of all tracked models
Arena Elo (Code)
GPT-5.6 Sol
1625
#4 of 41Best: Kimi K3 · 1679
SWE-Bench Verified
GPT-5.2
80%
#7 of 33Best: Claude Fable 5 · 95.5%
Next.js Evals
GPT-5.6 Sol
92%
#1Best published Next.js score of all tracked models
Terminal-Bench 2.1
GPT-5.6 Sol
88.8%
#1Best published Terminal 2.1 score of all tracked models
All releases
41 releases · Nov 30 2022 – Jun 26 20262026
11 releases2025
22 releasesGPT-5.2
Thu, Dec 11
GPT-5.1-Codex-Max
Wed, Nov 19
GPT-5.1
Wed, Nov 12
GPT-5-Codex-Mini
Fri, Nov 7
GPT-5-Codex
Mon, Sep 15
GPT-5
Thu, Aug 7
GPT-5 mini
Thu, Aug 7
GPT-5 nano
Thu, Aug 7
GPT-5 Pro
Thu, Aug 7
gpt-oss-120b
Tue, Aug 5
gpt-oss-20b
Tue, Aug 5
o3-pro
Tue, Jun 10
o3
Wed, Apr 16
o4-mini
Wed, Apr 16
o4-mini-high
Wed, Apr 16
GPT-4.1
Mon, Apr 14
GPT-4.1 mini
Mon, Apr 14
GPT-4.1 nano
Mon, Apr 14
o1-pro
Wed, Mar 19
GPT-4.5
Thu, Feb 27
o3-mini
Fri, Jan 31
o3-mini-high
Fri, Jan 31
2024
5 releases2023
2 releases2022
1 releaseOpenAI — frequently asked questions
- What is the latest OpenAI AI model?
- The most recent OpenAI model tracked on AI Release Tracker is GPT-5.6 Sol, released on Jun 26 2026.
- How many AI models has OpenAI released?
- AI Release Tracker tracks 41 OpenAI model releases, from GPT-3.5 on Nov 30 2022 through GPT-5.6 Sol on Jun 26 2026.
- What models has OpenAI released?
- OpenAI's tracked releases, newest first: GPT-5.6 Sol (Jun 26 2026), GPT-5.6 Terra (Jun 26 2026), GPT-5.6 Luna (Jun 26 2026), GPT-5.5 (Apr 23 2026), GPT-5.5-Pro (Apr 23 2026), GPT-5.4 mini (Mar 17 2026), GPT-5.4 nano (Mar 17 2026), GPT-5.4 (Mar 5 2026), GPT-5.4-Pro (Mar 5 2026), GPT-5.3-Codex-Spark (Feb 12 2026), GPT-5.3-Codex (Feb 5 2026), GPT-5.2 (Dec 11 2025), GPT-5.1-Codex-Max (Nov 19 2025), GPT-5.1 (Nov 12 2025), GPT-5-Codex-Mini (Nov 7 2025), GPT-5-Codex (Sep 15 2025), GPT-5 (Aug 7 2025), GPT-5 mini (Aug 7 2025), GPT-5 nano (Aug 7 2025), GPT-5 Pro (Aug 7 2025), gpt-oss-120b (Aug 5 2025), gpt-oss-20b (Aug 5 2025), o3-pro (Jun 10 2025), o3 (Apr 16 2025), o4-mini (Apr 16 2025), o4-mini-high (Apr 16 2025), GPT-4.1 (Apr 14 2025), GPT-4.1 mini (Apr 14 2025), GPT-4.1 nano (Apr 14 2025), o1-pro (Mar 19 2025), GPT-4.5 (Feb 27 2025), o3-mini (Jan 31 2025), o3-mini-high (Jan 31 2025), o1 (Dec 5 2024), o1-preview (Sep 12 2024), o1-mini (Sep 12 2024), GPT-4o mini (Jul 18 2024), GPT-4o (May 13 2024), GPT-4 Turbo (Nov 6 2023), GPT-4 (Mar 14 2023), GPT-3.5 (Nov 30 2022).
- Which benchmarks does OpenAI lead?
- Among all models tracked here, OpenAI holds the best score on DeepSWE 1.1 (GPT-5.6 Sol, 73%), Supabase Evals (with skills) (GPT-5.6 Sol, 100%), Terminal-Bench 2.1 (GPT-5.6 Sol, 88.8%), Terminal-Bench 2.0 (GPT-5.5, 82.7%), Expert-SWE (Internal) (GPT-5.5, 73.1%), CyberGym (GPT-5.5, 81.8%), ARC-AGI-2 (GPT-5.5, 84.6%), FrontierMath (Tier 1–3) (GPT-5.5-Pro, 52.4%), FrontierMath (Tier 4) (GPT-5.5-Pro, 39.6%), GPQA Diamond (GPT-5.4-Pro, 94.4%), GDPval (win/tie rate) (GPT-5.5, 84.9%), Blueprint-Bench 2 (GPT-5.5, 36.2%) and MRCR v2 (8-needle) (128k average) (GPT-5.5, 94.8%).
- Does OpenAI release open models?
- Partly. 2 of 41 tracked OpenAI releases publish downloadable weights; the remaining 39 are proprietary.
- How often does OpenAI release new models?
- Across its 41 tracked releases, OpenAI has shipped a new model roughly every 33 days on average — about 11.1 releases per year.