Grok 4.1 Fast vs Seed-2.0-Mini

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 53. 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 24.7. The single biggest benchmark swing on the page is SWE-bench Verified, 68 to 22.

Grok 4.1 Fast gives you the larger context window at 1M, compared with 256K for Seed-2.0-Mini.

Quick Verdict

Pick Grok 4.1 Fast if you want the stronger benchmark profile. Seed-2.0-Mini 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

Seed-2.0-Mini

46.2

74
Terminal-Bench 2.0
43
73
BrowseComp
53
66
OSWorld-Verified
45

Coding

Grok 4.1 Fast

Grok 4.1 Fast

59.5

Seed-2.0-Mini

24.7

86
HumanEval
55
68
SWE-bench Verified
22
54
LiveCodeBench
21
63
SWE-bench Pro
29

Multimodal & Grounded

Grok 4.1 Fast

Grok 4.1 Fast

87.4

Seed-2.0-Mini

73.1

91
MMMU-Pro
74
83
OfficeQA Pro
72

Reasoning

Grok 4.1 Fast

Grok 4.1 Fast

88.3

Seed-2.0-Mini

64.8

90
SimpleQA
59
88
MuSR
57
87
BBH
73
87
LongBench v2
68
89
MRCRv2
72

Knowledge

Grok 4.1 Fast

Grok 4.1 Fast

69.2

Seed-2.0-Mini

44.6

94
MMLU
62
92
GPQA
61
90
SuperGPQA
59
88
OpenBookQA
57
81
MMLU-Pro
62
20
HLE
1
83
FrontierScience
54

Instruction Following

Grok 4.1 Fast

Grok 4.1 Fast

90

Seed-2.0-Mini

80

90
IFEval
80

Multilingual

Grok 4.1 Fast

Grok 4.1 Fast

84.8

Seed-2.0-Mini

71.8

88
MGSM
75
83
MMLU-ProX
70

Mathematics

Grok 4.1 Fast

Grok 4.1 Fast

92.3

Seed-2.0-Mini

65.1

96
AIME 2023
62
98
AIME 2024
64
97
AIME 2025
63
92
HMMT Feb 2023
58
94
HMMT Feb 2024
60
93
HMMT Feb 2025
59
95
BRUMO 2025
61
89
MATH-500
70

Frequently Asked Questions

Which is better, Grok 4.1 Fast or Seed-2.0-Mini?

Grok 4.1 Fast is ahead overall, 76 to 53. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 68 and 22.

Which is better for knowledge tasks, Grok 4.1 Fast or Seed-2.0-Mini?

Grok 4.1 Fast has the edge for knowledge tasks in this comparison, averaging 69.2 versus 44.6. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Grok 4.1 Fast or Seed-2.0-Mini?

Grok 4.1 Fast has the edge for coding in this comparison, averaging 59.5 versus 24.7. 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 Seed-2.0-Mini?

Grok 4.1 Fast has the edge for math in this comparison, averaging 92.3 versus 65.1. 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 Seed-2.0-Mini?

Grok 4.1 Fast has the edge for reasoning in this comparison, averaging 88.3 versus 64.8. 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 Seed-2.0-Mini?

Grok 4.1 Fast has the edge for agentic tasks in this comparison, averaging 71 versus 46.2. 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 Seed-2.0-Mini?

Grok 4.1 Fast has the edge for multimodal and grounded tasks in this comparison, averaging 87.4 versus 73.1. 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 Seed-2.0-Mini?

Grok 4.1 Fast has the edge for instruction following in this comparison, averaging 90 versus 80. 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 Seed-2.0-Mini?

Grok 4.1 Fast has the edge for multilingual tasks in this comparison, averaging 84.8 versus 71.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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