GPT-5.4-Pro vs Grok 3 mini
OpenAI GPT-5.4-Pro | SpaceXAI Grok 3 mini | |
|---|---|---|
| Overview | ||
| Company | OpenAI | SpaceXAI |
| Release date | Mar 5 2026 | Feb 17 2025 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | 89.3% | — |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | 58.7% | — |
Abstract reasoning ARC-AGI-2Puzzle-style tests of abstract reasoning and pattern-finding — the kind of thing people find easy but AIs often struggle with. Higher is better. | 83.3% | — |
Advanced math FrontierMath · Tier 1–3Very hard, research-level math problems. Tiers 1–3 are the (still extremely difficult) lower tiers. Higher is better. | 50% | — |
Advanced math FrontierMath · Tier 4Very hard, research-level math problems. Tier 4 is the hardest — close to what professional research mathematicians tackle. Higher is better. | 38% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 94.4% | — |
Knowledge work GDPval (win/tie rate)How often the AI's work matches or beats a human expert's on real knowledge-work tasks. Higher is better. | 82% | — |
| Timeline | ||
| Release gap | Grok 3 mini shipped 381 days before GPT-5.4-Pro | |
Which is better: GPT-5.4-Pro or Grok 3 mini?
GPT-5.4-Pro and Grok 3 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 3 mini shipped 381 days before GPT-5.4-Pro, 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 — GPT-5.4-Pro and Grok 3 mini don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-5.4-Pro was released by OpenAI on Mar 5 2026.
Grok 3 mini was released by SpaceXAI on Feb 17 2025.
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