GPT-5.4 mini vs Grok‑1
OpenAI GPT-5.4 mini | SpaceXAI Grok‑1 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | SpaceXAI |
| Release date | Mar 17 2026 | Nov 3 2023 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Context window | 400k | — |
| 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. | 32% | — |
| Timeline | ||
| Release gap | Grok‑1 shipped 865 days before GPT-5.4 mini | |
Which is better: GPT-5.4 mini or Grok‑1?
GPT-5.4 mini and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 865 days before GPT-5.4 mini, so benchmark comparisons should account for the intervening progress.
GPT-5.4 mini is proprietary, while Grok‑1 is open weight.
Direct benchmark comparisons are unavailable — GPT-5.4 mini and Grok‑1 don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-5.4 mini was released by OpenAI on Mar 17 2026.
Grok‑1 was released by SpaceXAI on Nov 3 2023.
GPT-5.4 mini is a proprietary model released by OpenAI. Grok‑1 is an open weight model released by SpaceXAI.
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