Grok 4.1 Fast vs Ministral 3 14B (Reasoning)

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 60. 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 coding, where it averages 59.5 against 35. The single biggest benchmark swing on the page is SWE-bench Verified, 68 to 39.

Ministral 3 14B (Reasoning) is the reasoning model in the pair, while Grok 4.1 Fast is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Grok 4.1 Fast gives you the larger context window at 1M, compared with 128K for Ministral 3 14B (Reasoning).

Quick Verdict

Pick Grok 4.1 Fast if you want the stronger benchmark profile. Ministral 3 14B (Reasoning) only becomes the better choice if you want the stronger reasoning-first profile.

Agentic

Grok 4.1 Fast

Grok 4.1 Fast

71

Ministral 3 14B (Reasoning)

58.5

74
Terminal-Bench 2.0
60
73
BrowseComp
61
66
OSWorld-Verified
55

Coding

Grok 4.1 Fast

Grok 4.1 Fast

59.5

Ministral 3 14B (Reasoning)

35

86
HumanEval
62
68
SWE-bench Verified
39
54
LiveCodeBench
33
63
SWE-bench Pro
36

Multimodal & Grounded

Grok 4.1 Fast

Grok 4.1 Fast

87.4

Ministral 3 14B (Reasoning)

71.5

91
MMMU-Pro
71
83
OfficeQA Pro
72

Reasoning

Grok 4.1 Fast

Grok 4.1 Fast

88.3

Ministral 3 14B (Reasoning)

69.2

90
SimpleQA
70
88
MuSR
70
87
BBH
80
87
LongBench v2
66
89
MRCRv2
66

Knowledge

Grok 4.1 Fast

Grok 4.1 Fast

69.2

Ministral 3 14B (Reasoning)

52.1

94
MMLU
71
92
GPQA
70
90
SuperGPQA
68
88
OpenBookQA
66
81
MMLU-Pro
69
20
HLE
7
83
FrontierScience
62

Instruction Following

Grok 4.1 Fast

Grok 4.1 Fast

90

Ministral 3 14B (Reasoning)

81

90
IFEval
81

Multilingual

Grok 4.1 Fast

Grok 4.1 Fast

84.8

Ministral 3 14B (Reasoning)

77.8

88
MGSM
81
83
MMLU-ProX
76

Mathematics

Grok 4.1 Fast

Grok 4.1 Fast

92.3

Ministral 3 14B (Reasoning)

75.2

96
AIME 2023
73
98
AIME 2024
75
97
AIME 2025
74
92
HMMT Feb 2023
69
94
HMMT Feb 2024
71
93
HMMT Feb 2025
70
95
BRUMO 2025
72
89
MATH-500
79

Frequently Asked Questions

Which is better, Grok 4.1 Fast or Ministral 3 14B (Reasoning)?

Grok 4.1 Fast is ahead overall, 76 to 60. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 68 and 39.

Which is better for knowledge tasks, Grok 4.1 Fast or Ministral 3 14B (Reasoning)?

Grok 4.1 Fast has the edge for knowledge tasks in this comparison, averaging 69.2 versus 52.1. 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 14B (Reasoning)?

Grok 4.1 Fast has the edge for coding in this comparison, averaging 59.5 versus 35. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Grok 4.1 Fast or Ministral 3 14B (Reasoning)?

Grok 4.1 Fast has the edge for math in this comparison, averaging 92.3 versus 75.2. 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 14B (Reasoning)?

Grok 4.1 Fast has the edge for reasoning in this comparison, averaging 88.3 versus 69.2. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Grok 4.1 Fast or Ministral 3 14B (Reasoning)?

Grok 4.1 Fast has the edge for agentic tasks in this comparison, averaging 71 versus 58.5. 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 14B (Reasoning)?

Grok 4.1 Fast has the edge for multimodal and grounded tasks in this comparison, averaging 87.4 versus 71.5. 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 14B (Reasoning)?

Grok 4.1 Fast has the edge for instruction following in this comparison, averaging 90 versus 81. 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 14B (Reasoning)?

Grok 4.1 Fast has the edge for multilingual tasks in this comparison, averaging 84.8 versus 77.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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