# ChatGPT just got a massive upgrade that takes it to the next level – here are the 3 biggest changes

> o3 and o4-mini are out for Pro, Plus and Team users now, free users can try o4-mini, too They can combine and use every tool in ChatGPT's arsenal o3 and o4-mini add reasoning using images to ChatGPT's abilities OpenAI…

- **Source:** [TechRadar](https://www.techradar.com/computing/artificial-intelligence/chatgpt-just-got-a-massive-upgrade-that-takes-it-to-the-next-level-here-are-the-3-biggest-changes?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6801c1cb78bd00a5beba21ad)
- **Published:** 2025-04-18
- **Category:** AI & Bots
- **Tags:** #chatgpt #openai #mini #massive #models #reasoning #users #biggest
- **Canonical:** http://localhost:4321/a/6801c1cb78bd00a5beba21ad

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._