Claude 4.1 Opus vs Grok 3 Mini

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

Claude 4.1 Opus is clearly ahead on the aggregate, 50 to 23. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 4.1 Opus's sharpest advantage is in reasoning, where it averages 72.9 against 21.7. The single biggest benchmark swing on the page is SimpleQA, 74% to 21.7%.

Claude 4.1 Opus gives you the larger context window at 200K, compared with 128K for Grok 3 Mini.

Quick Verdict

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

Agentic

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

46.5%
Terminal-Bench 2.0
Coming soon
44.4%
OSWorld-Verified
Coming soon

Coding

Claude 4.1 Opus

Claude 4.1 Opus

71.3

Grok 3 Mini

41.5

68%
HumanEval
Coming soon
74.5%
SWE-bench Verified
Coming soon
Coming soon
LiveCodeBench
41.5%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

72.9

Grok 3 Mini

21.7

74%
SimpleQA
21.7%
72%
MuSR
Coming soon

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

77.5

Grok 3 Mini

74.1

89.5%
MMLU
Coming soon
81%
GPQA
66.2%
74%
SuperGPQA
Coming soon
72%
OpenBookQA
Coming soon
Coming soon
MMLU-Pro
78.9%

Instruction Following

Coming soon

Benchmark data for this category is coming soon.

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

75

Grok 3 Mini

39.7

76%
AIME 2023
Coming soon
78%
AIME 2024
39.7%
77%
AIME 2025
Coming soon
72%
HMMT Feb 2023
Coming soon
74%
HMMT Feb 2024
Coming soon
73%
HMMT Feb 2025
Coming soon
75%
BRUMO 2025
Coming soon

Frequently Asked Questions

Which is better, Claude 4.1 Opus or Grok 3 Mini?

Claude 4.1 Opus is ahead overall, 50 to 23. The biggest single separator in this matchup is SimpleQA, where the scores are 74% and 21.7%.

Which is better for knowledge tasks, Claude 4.1 Opus or Grok 3 Mini?

Claude 4.1 Opus has the edge for knowledge tasks in this comparison, averaging 77.5 versus 74.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 4.1 Opus or Grok 3 Mini?

Claude 4.1 Opus has the edge for coding in this comparison, averaging 71.3 versus 41.5. Grok 3 Mini stays close enough that the answer can still flip depending on your workload.

Which is better for math, Claude 4.1 Opus or Grok 3 Mini?

Claude 4.1 Opus has the edge for math in this comparison, averaging 75 versus 39.7. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Claude 4.1 Opus or Grok 3 Mini?

Claude 4.1 Opus has the edge for reasoning in this comparison, averaging 72.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

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