Security News > 2025 > April > OpenAI details ChatGPT-o3, o4-mini, o4-mini-high usage limits

2025-04-18 17:05
OpenAI has launched three new reasoning models - o3, o4-mini, and o4-mini-high for Plus and Pro subscribers, but as it turns out, these models do not offer 'unlimited' usage. [...]
News URL
Related news
- OpenAI wants ChatGPT to know you over your life with new Memory update (source)
- OpenAI document explains when to use each ChatGPT model (source)
- Leak confirms OpenAI's ChatGPT will integrate MCP (source)
- OpenAI hints at a big upgrade for ChatGPT Operator Agent (source)
- OpenAI plans to ship an interesting ChatGPT product by 2026 (source)