benchlm.ai

DeepSeek V3.1 vs Grok 4.1 Fast

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

Grok 4.1 Fast wins overall with a score of 73 vs 24 (49 point difference).Grok 4.1 Fast wins 4 out of 4 categories.

DeepSeek V3.1

CreatorDeepSeek
TypeOpen Weight
Context128K
Score24

Grok 4.1 Fast

CreatorxAI
TypeProprietary
Context2M
Score73

Knowledge

Grok 4.1 Fast

DeepSeek V3.1

30.8

Grok 4.1 Fast

91

33
MMLU
94
32
GPQA
92
30
SuperGPQA
90
28
OpenBookQA
88

Coding

Grok 4.1 Fast

DeepSeek V3.1

25

Grok 4.1 Fast

86

25
HumanEval
86

Mathematics

Grok 4.1 Fast

DeepSeek V3.1

32

Grok 4.1 Fast

95

33
AIME 2023
96
35
AIME 2024
98
34
AIME 2025
97
29
HMMT Feb 2023
92
31
HMMT Feb 2024
94
30
HMMT Feb 2025
93
32
BRUMO 2025
95

Reasoning

Grok 4.1 Fast

DeepSeek V3.1

30

Grok 4.1 Fast

89

31
SimpleQA
90
29
MuSR
88

Frequently Asked Questions

Which is better, DeepSeek V3.1 or Grok 4.1 Fast?

Grok 4.1 Fast scores higher overall with 73 vs 24, a difference of 49 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.1 or Grok 4.1 Fast?

Grok 4.1 Fast leads in knowledge tasks with an average score of 91 vs 30.8.

Which is better for coding, DeepSeek V3.1 or Grok 4.1 Fast?

Grok 4.1 Fast leads in coding with an average score of 86 vs 25.

Which is better for math, DeepSeek V3.1 or Grok 4.1 Fast?

Grok 4.1 Fast leads in math with an average score of 95 vs 32.

Which is better for reasoning, DeepSeek V3.1 or Grok 4.1 Fast?

Grok 4.1 Fast leads in reasoning with an average score of 89 vs 30.

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