Grok 4.1 Fast vs Ministral 3 3B

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

Grok 4.1 Fast is clearly ahead on the aggregate, 76 to 27. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Grok 4.1 Fast's sharpest advantage is in reasoning, where it averages 88.3 against 30.1. The single biggest benchmark swing on the page is AIME 2023, 96 to 23.

Grok 4.1 Fast gives you the larger context window at 1M, compared with 128K for Ministral 3 3B.

Quick Verdict

Pick Grok 4.1 Fast if you want the stronger benchmark profile. Ministral 3 3B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Grok 4.1 Fast

Grok 4.1 Fast

71

Ministral 3 3B

22.9

74
Terminal-Bench 2.0
19
73
BrowseComp
33
66
OSWorld-Verified
20

Coding

Grok 4.1 Fast

Grok 4.1 Fast

59.5

Ministral 3 3B

6.2

86
HumanEval
15
68
SWE-bench Verified
8
54
LiveCodeBench
7
63
SWE-bench Pro
5

Multimodal & Grounded

Grok 4.1 Fast

Grok 4.1 Fast

87.4

Ministral 3 3B

30.4

91
MMMU-Pro
25
83
OfficeQA Pro
37

Reasoning

Grok 4.1 Fast

Grok 4.1 Fast

88.3

Ministral 3 3B

30.1

90
SimpleQA
22
88
MuSR
20
87
BBH
57
87
LongBench v2
32
89
MRCRv2
35

Knowledge

Grok 4.1 Fast

Grok 4.1 Fast

69.2

Ministral 3 3B

24.5

94
MMLU
24
92
GPQA
23
90
SuperGPQA
21
88
OpenBookQA
19
81
MMLU-Pro
48
20
HLE
1
83
FrontierScience
28

Instruction Following

Grok 4.1 Fast

Grok 4.1 Fast

90

Ministral 3 3B

67

90
IFEval
67

Multilingual

Grok 4.1 Fast

Grok 4.1 Fast

84.8

Ministral 3 3B

59.7

88
MGSM
61
83
MMLU-ProX
59

Mathematics

Grok 4.1 Fast

Grok 4.1 Fast

92.3

Ministral 3 3B

36

96
AIME 2023
23
98
AIME 2024
25
97
AIME 2025
24
92
HMMT Feb 2023
19
94
HMMT Feb 2024
21
93
HMMT Feb 2025
20
95
BRUMO 2025
22
89
MATH-500
53

Frequently Asked Questions

Which is better, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast is ahead overall, 76 to 27. The biggest single separator in this matchup is AIME 2023, where the scores are 96 and 23.

Which is better for knowledge tasks, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for knowledge tasks in this comparison, averaging 69.2 versus 24.5. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for coding in this comparison, averaging 59.5 versus 6.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for math in this comparison, averaging 92.3 versus 36. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for reasoning in this comparison, averaging 88.3 versus 30.1. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for agentic tasks in this comparison, averaging 71 versus 22.9. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for multimodal and grounded tasks in this comparison, averaging 87.4 versus 30.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for instruction following in this comparison, averaging 90 versus 67. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Grok 4.1 Fast or Ministral 3 3B?

Grok 4.1 Fast has the edge for multilingual tasks in this comparison, averaging 84.8 versus 59.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

Weekly LLM Benchmark Digest

Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.

Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.