25 Apr, 2026

OpenAI details ChatGPT-o3, o4-mini, o4-mini-high usage limits

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 also have usage limitations. In a support document, OpenAI shed light on how you can use ChatGPT’s three new reasoning models. If you subscribe to ChatGPT Plus, you’ll get up to 50 messages […]

1 min read

ChatGPT’s o4-mini, o4-mini-high and o3 spotted ahead of release

OpenAI is preparing to launch as many as three new AI models, possibly called “o4-mini”, “o4-mini-high” and “o3”. Right now, ChatGPT has as many as five models, including GPT 4o (the non-reasoning model), GPT 4.5 (another non-reasoning model but with greater creativity), and three reasoning models: o1, o3-mini, and o3-mini-high. o1’s successor is o3, but a full-fledged model […]

2 mins read