OpenAI o-series
Model FamilyOpenAIlegacy
Reasoning model family trained to spend more time thinking before responding.
- Sep 12, 2024
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Models in this family
| Model | Family | Released | Modality | Open source | API | Status |
|---|---|---|---|---|---|---|
| OpenAI o3-pro | OpenAI o-series | Jun 10, 2025 | — | — | — | deprecated |
| OpenAI o3 | OpenAI o-series | Apr 16, 2025 | — | — | — | deprecated |
| OpenAI o4-mini | OpenAI o-series | Apr 16, 2025 | — | — | — | deprecated |
| OpenAI o3-mini | OpenAI o-series | Jan 31, 2025 | — | — | — | deprecated |
| OpenAI o1 | OpenAI o-series | Dec 5, 2024 | — | — | — | deprecated |
| OpenAI o1-mini | OpenAI o-series | Sep 12, 2024 | — | — | — | deprecated |
| OpenAI o1-preview | OpenAI o-series | Sep 12, 2024 | — | — | — | deprecated |
Releases
No releases recorded for this entry.