FrontierApril 16, 2025via OpenAI Blog
Introducing OpenAI o3 and o4-mini
Why it matters
OpenAI's next-generation reasoning models with full tool access represent a significant capability leap. This is a direct signal of where frontier AI is heading—toward more autonomous, multi-step task execution.
Key signals
- OpenAI releases o3 and o4-mini models
- Both models include full tool access capability
- Described as 'smartest and most capable models to date'
- Published April 16, 2025
- Positions OpenAI's reasoning tier ahead of competitors
The hook
OpenAI just released o3 and o4-mini. Here's what changes for builders.
Our smartest and most capable models to date with full tool access