OpenAI · OpenAI (GPT / ChatGPT)
GPT-5
SupersededReleased 10 months ago· Aug 1, 2025Multimodal model
First GPT-5 generation; hybrid fast generation with optional deep reasoning. Topped SWE-bench at launch.
- API string
- gpt-5
- Context window
- 1M ctx
- Knowledge cutoff
- Apr 1, 2025
- Tier
- Legacy
- Released
- Aug 1, 2025
Release & change timeline
1 event- Release
GPT-5 released
First GPT-5 generation; hybrid fast generation plus optional deep reasoning.
Part of the OpenAI (GPT / ChatGPT) version timeline. Catch Me Up — everything that changed across AI & smart home ↗