o4-mini vs Grok‑2
OpenAI o4-mini | SpaceXAI Grok‑2 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | SpaceXAI |
| Release date | Apr 16 2025 | Aug 14 2024 |
| 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. | 8% | — |
| Timeline | ||
| Release gap | Grok‑2 shipped 245 days before o4-mini | |
Which is better: o4-mini or Grok‑2?
o4-mini and Grok‑2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑2 shipped 245 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.
Direct benchmark comparisons are unavailable — o4-mini and Grok‑2 don't publish scores on any of the same benchmarks.
Frequently asked questions
o4-mini was released by OpenAI on Apr 16 2025.
Grok‑2 was released by SpaceXAI on Aug 14 2024.
Other comparisons
o4-mini vs Claude Sonnet 5Grok‑2 vs Claude Sonnet 5o4-mini vs Gemini OmniGrok‑2 vs Gemini Omnio4-mini vs Muse Spark 1.1Grok‑2 vs Muse Spark 1.1o4-mini vs DeepSeek-V4-ProGrok‑2 vs DeepSeek-V4-Proo4-mini vs Mistral Medium 3.5Grok‑2 vs Mistral Medium 3.5o4-mini vs Kimi K2.7 CodeGrok‑2 vs Kimi K2.7 Code