# ChatGPT model matchup - I pitted OpenAI's o3, o4-mini, GPT-4o, and GPT-4.5 AI models against each other and the results surprised me

> OpenAI, as if trying to break its own record for the most confusing product lineup in history, has released two new AI models for ChatGPT: OpenAI o3 and OpenAI o4-mini. These join GPT-4.

- **Source:** [TechRadar](https://www.techradar.com/computing/artificial-intelligence/chatgpt-model-matchup-i-pitted-openais-o3-o4-mini-gpt-4o-and-gpt-4-5-ai-models-against-each-other-and-the-results-surprised-me?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6801c09578bd00a5beba2195)
- **Published:** 2025-04-18
- **Category:** Computers & IT
- **Tags:** #chatgpt #openai #mini #models #against #each #matchup #other
- **Canonical:** http://localhost:4321/a/6801c09578bd00a5beba2195

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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._
