GPT-5vsGrok 4.1
GPT-5 | Grok 4.1 | |
|---|---|---|
| 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. | 21% | — |
Community preference Arena Elo (Text)Real people chat with two anonymous AIs side by side and vote for the answer they prefer. Votes become a chess-style Elo rating on arena.ai — it measures which AI people actually like, not test scores. Higher is better. | — | 1466 |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1419Best | 1209 |
| Overview | ||
| Company | OpenAI | SpaceXAI |
| Release date | Aug 7 2025 | Nov 17 2025 |
| Access | Proprietary | Proprietary |
Which is better: GPT-5 or Grok 4.1?
GPT-5 leads Grok 4.1 on 1 of the 1 benchmark they both report (Arena Elo (Code)). GPT-5 shipped 102 days before Grok 4.1, 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 Arena Elo (Code), GPT-5 leads at 1419 vs Grok 4.1 at 1209.
Frequently asked questions
GPT-5 was released by OpenAI on Aug 7 2025.
Grok 4.1 was released by SpaceXAI on Nov 17 2025.