DeepSeek-V3.2vsGrok 4.1 Fast
DeepSeek-V3.2 | Grok 4.1 Fast | |
|---|---|---|
| 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. | 13% | 19%Best |
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. | 1361 | — |
| Overview | ||
| Company | DeepSeek | SpaceXAI |
| Release date | Dec 1 2025 | Nov 19 2025 |
| Access | Open Weight | Proprietary |
Which is better: DeepSeek-V3.2 or Grok 4.1 Fast?
Grok 4.1 Fast leads DeepSeek-V3.2 on 1 of the 1 benchmark they both report (BullshitBench v2). Grok 4.1 Fast shipped 12 days before DeepSeek-V3.2, so benchmark comparisons should account for the intervening progress.
DeepSeek-V3.2 is open weight, while Grok 4.1 Fast is proprietary.
On BullshitBench v2, Grok 4.1 Fast leads at 19% vs DeepSeek-V3.2 at 13%.
Frequently asked questions
DeepSeek-V3.2 was released by DeepSeek on Dec 1 2025.
Grok 4.1 Fast was released by SpaceXAI on Nov 19 2025.
DeepSeek-V3.2 is an open weight model released by DeepSeek. Grok 4.1 Fast is a proprietary model released by SpaceXAI.
Other comparisons
DeepSeek-V3.2vsClaude Opus 5Grok 4.1 FastvsClaude Opus 5DeepSeek-V3.2vsGPT-5.6 SolGrok 4.1 FastvsGPT-5.6 SolDeepSeek-V3.2vsGemini 3.6 FlashGrok 4.1 FastvsGemini 3.6 FlashDeepSeek-V3.2vsMuse GlimmerGrok 4.1 FastvsMuse GlimmerDeepSeek-V3.2vsMistral Medium 3.5Grok 4.1 FastvsMistral Medium 3.5DeepSeek-V3.2vsKimi K3Grok 4.1 FastvsKimi K3