Gemma 3 27B vs GPT-4o

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 36 (20 point difference).GPT-4o wins 4 out of 4 categories.

Knowledge

GPT-4o

Gemma 3 27B

42.8

GPT-4o

64.5

45
MMLU
66
44
GPQA
66
42
SuperGPQA
64
40
OpenBookQA
62

Coding

GPT-4o

Gemma 3 27B

37

GPT-4o

58

37
HumanEval
58

Mathematics

GPT-4o

Gemma 3 27B

44

GPT-4o

65

45
AIME 2023
66
47
AIME 2024
68
46
AIME 2025
67
41
HMMT Feb 2023
62
43
HMMT Feb 2024
64
42
HMMT Feb 2025
63
44
BRUMO 2025
65

Reasoning

GPT-4o

Gemma 3 27B

42

GPT-4o

63

43
SimpleQA
64
41
MuSR
62

Frequently Asked Questions

Which is better, Gemma 3 27B or GPT-4o?

GPT-4o scores higher overall with 56 vs 36, a difference of 20 points across all benchmarks.

Which is better for knowledge tasks, Gemma 3 27B or GPT-4o?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 42.8.

Which is better for coding, Gemma 3 27B or GPT-4o?

GPT-4o leads in coding with an average score of 58 vs 37.

Which is better for math, Gemma 3 27B or GPT-4o?

GPT-4o leads in math with an average score of 65 vs 44.

Which is better for reasoning, Gemma 3 27B or GPT-4o?

GPT-4o leads in reasoning with an average score of 63 vs 42.