OpenAI · OpenAI (GPT / ChatGPT)
GPT-5.4
ActiveReleased 3 months ago· Mar 1, 2026Multimodal model
Cost-quality balance for production; roughly half the cost of GPT-5.5. Most commonly recommended frontier value model.
- API string
- gpt-5.4
- Context window
- 1M ctx
- Knowledge cutoff
- Dec 1, 2025
- Tier
- Balanced
- Released
- Mar 1, 2026
Release & change timeline
1 event- Release
GPT-5.4 released
GPT-5.4 Thinking and Pro launched; cost-quality balance for production.
Part of the OpenAI (GPT / ChatGPT) version timeline. Catch Me Up — everything that changed across AI & smart home ↗