# OpenAI — AI model releases

OpenAI has 44 AI model releases tracked on AI Release Tracker, from Nov 30 2022 through Sep 3 2026. Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research.

Official site: https://openai.com

## Releases, newest first

| Model | Release date | Licensing | Context window | Page |
| --- | --- | --- | --- | --- |
| GPT-6 Astra | Sep 3 2026 | Proprietary | 1.05M | https://aireleasetracker.com/model/openai/gpt-6-astra |
| GPT-5.6-Cyber | Aug 10 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.6-cyber |
| GPT-5.6 Sol | Jun 26 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.6-sol |
| GPT-5.6 Terra | Jun 26 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.6-terra |
| GPT-5.6 Luna | Jun 26 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.6-luna |
| GPT-5.5-Cyber | Jun 22 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.5-cyber |
| GPT-5.5 | Apr 23 2026 | Proprietary | 1.05M | https://aireleasetracker.com/model/openai/gpt-5.5 |
| GPT-5.5-Pro | Apr 23 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.5-pro |
| GPT-5.4 mini | Mar 17 2026 | Proprietary | 400k | https://aireleasetracker.com/model/openai/gpt-5.4-mini |
| GPT-5.4 nano | Mar 17 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.4-nano |
| GPT-5.4 | Mar 5 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.4 |
| GPT-5.4-Pro | Mar 5 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.4-pro |
| GPT-5.3-Codex-Spark | Feb 12 2026 | Proprietary | 128k | https://aireleasetracker.com/model/openai/gpt-5.3-codex-spark |
| GPT-5.3-Codex | Feb 5 2026 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.3-codex |
| GPT-5.2 | Dec 11 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.2 |
| GPT-5.1-Codex-Max | Nov 19 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.1-codex-max |
| GPT-5.1 | Nov 12 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5.1 |
| GPT-5-Codex-Mini | Nov 7 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5-codex-mini |
| GPT-5-Codex | Sep 15 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5-codex |
| GPT-5 | Aug 7 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5 |
| GPT-5 mini | Aug 7 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5-mini |
| GPT-5 nano | Aug 7 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5-nano |
| GPT-5 Pro | Aug 7 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-5-pro |
| gpt-oss-120b | Aug 5 2025 | Open Weight | 128k | https://aireleasetracker.com/model/openai/gpt-oss-120b |
| gpt-oss-20b | Aug 5 2025 | Open Weight | 128k | https://aireleasetracker.com/model/openai/gpt-oss-20b |
| o3-pro | Jun 10 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o3-pro |
| o3 | Apr 16 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o3 |
| o4-mini | Apr 16 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o4-mini |
| o4-mini-high | Apr 16 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o4-mini-high |
| GPT-4.1 | Apr 14 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-4.1 |
| GPT-4.1 mini | Apr 14 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-4.1-mini |
| GPT-4.1 nano | Apr 14 2025 | Proprietary | 1M | https://aireleasetracker.com/model/openai/gpt-4.1-nano |
| o1-pro | Mar 19 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o1-pro |
| GPT-4.5 | Feb 27 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-4.5 |
| o3-mini | Jan 31 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o3-mini |
| o3-mini-high | Jan 31 2025 | Proprietary | — | https://aireleasetracker.com/model/openai/o3-mini-high |
| o1 | Dec 5 2024 | Proprietary | 200k | https://aireleasetracker.com/model/openai/o1 |
| o1-preview | Sep 12 2024 | Proprietary | 128k | https://aireleasetracker.com/model/openai/o1-preview |
| o1-mini | Sep 12 2024 | Proprietary | 128k | https://aireleasetracker.com/model/openai/o1-mini |
| GPT-4o mini | Jul 18 2024 | Proprietary | 128k | https://aireleasetracker.com/model/openai/gpt-4o-mini |
| GPT-4o | May 13 2024 | Proprietary | 128k | https://aireleasetracker.com/model/openai/gpt-4o |
| GPT-4 Turbo | Nov 6 2023 | Proprietary | 128k | https://aireleasetracker.com/model/openai/gpt-4-turbo |
| GPT-4 | Mar 14 2023 | Proprietary | 8k | https://aireleasetracker.com/model/openai/gpt-4 |
| GPT-3.5 | Nov 30 2022 | Proprietary | — | https://aireleasetracker.com/model/openai/gpt-3.5 |


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Canonical page: https://aireleasetracker.com/company/openai
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.