GPT-4o mini vs o4-mini
OpenAI GPT-4o mini | OpenAI o4-mini | |
|---|---|---|
| Overview | ||
| Company | OpenAI | OpenAI |
| Release date | Jul 18 2024 | Apr 16 2025 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 2% | 8%Best |
| Timeline | ||
| Release gap | GPT-4o mini shipped 272 days before o4-mini | |
Which is better: GPT-4o mini or o4-mini?
o4-mini leads GPT-4o mini on 1 of the 1 benchmark they both report (BullshitBench v2). GPT-4o mini shipped 272 days before o4-mini, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On BullshitBench v2, o4-mini leads at 8% vs GPT-4o mini at 2%.
Frequently asked questions
GPT-4o mini was released by OpenAI on Jul 18 2024.
o4-mini was released by OpenAI on Apr 16 2025.
Other comparisons
GPT-4o mini vs Claude Sonnet 5o4-mini vs Claude Sonnet 5GPT-4o mini vs Gemini Omnio4-mini vs Gemini OmniGPT-4o mini vs Muse Spark 1.1o4-mini vs Muse Spark 1.1GPT-4o mini vs Grok 4.5o4-mini vs Grok 4.5GPT-4o mini vs DeepSeek-V4-Proo4-mini vs DeepSeek-V4-ProGPT-4o mini vs Mistral Medium 3.5o4-mini vs Mistral Medium 3.5