OpenAI

Products

2025-01-30 Aardvaark. Agentic security researcher.
2025-10-29 gpt-oss-safeguard. Two open-weight models for classifying user messages, completions and fullchats based on a policy provided at inference time.
2025-10-21 ChatGPT Atlas. Browser with ChatGPT built in.
2025-09-30 Sora 2.
2025-08-07 GPT-5. New flagship model.
2025-08-05 gpt-oss. Two open-weight models (gpt-oss-20b and gpt-oss-120b).
- Mixture-of-Experts models (120b has 5.1b active parameters, 20b has 3.6b).
- Model card.
2025-05-16 Codex: A cloud-based software engineering agent that can work on many tasks in parallel.
- Powered by codex-1, a version of o3 optimised for software engineering.
2025-04-16 o4-mini
2025-04-16 o3
2025-02-27 GPT-4.5. New flagship model.