GPT-4o mini vs Grok 3 [Beta]

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

GPT-4o mini has the cleaner overall profile here, landing at 43 versus 40. It is a real lead, but still close enough that category-level strengths matter more than the headline number.

GPT-4o mini's sharpest advantage is in coding, where it averages 87.2 against 21.3. The single biggest benchmark swing on the page is HumanEval, 87.2 to 34.

Quick Verdict

Pick GPT-4o mini if you want the stronger benchmark profile. Grok 3 [Beta] only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Knowledge

GPT-4o mini

GPT-4o mini

82

Grok 3 [Beta]

35.8

82
MMLU
42
-
GPQA
41
-
SuperGPQA
39
-
OpenBookQA
37
-
MMLU-Pro
53
-
HLE
3

Coding

GPT-4o mini

GPT-4o mini

87.2

Grok 3 [Beta]

21.3

87.2
HumanEval
34
-
SWE-bench Verified
19
-
LiveCodeBench
11

Mathematics

Grok 3 [Beta]
-
AIME 2023
42
-
AIME 2024
44
-
AIME 2025
43
-
HMMT Feb 2023
38
-
HMMT Feb 2024
40
-
HMMT Feb 2025
39
-
BRUMO 2025
41
-
MATH-500
59

Reasoning

Grok 3 [Beta]
-
SimpleQA
40
-
MuSR
38
-
BBH
62

Instruction Following

Grok 3 [Beta]
-
IFEval
67

Multilingual

GPT-4o mini

GPT-4o mini

87

Grok 3 [Beta]

60

87
MGSM
60

Frequently Asked Questions

Which is better, GPT-4o mini or Grok 3 [Beta]?

GPT-4o mini is ahead overall, 43 to 40. The biggest single separator in this matchup is HumanEval, where the scores are 87.2 and 34.

Which is better for knowledge tasks, GPT-4o mini or Grok 3 [Beta]?

GPT-4o mini has the edge for knowledge tasks in this comparison, averaging 82 versus 35.8. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-4o mini or Grok 3 [Beta]?

GPT-4o mini has the edge for coding in this comparison, averaging 87.2 versus 21.3. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-4o mini or Grok 3 [Beta]?

GPT-4o mini has the edge for multilingual tasks in this comparison, averaging 87 versus 60. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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