Claude 3 Opus vs Gemma 3 27B

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

Quick Verdict

Claude 3 Opus wins overall with a score of 51 vs 36 (15 point difference).Claude 3 Opus wins 4 out of 4 categories.

Knowledge

Claude 3 Opus

Claude 3 Opus

59.5

Gemma 3 27B

42.8

61
MMLU
45
61
GPQA
44
59
SuperGPQA
42
57
OpenBookQA
40

Coding

Claude 3 Opus

Claude 3 Opus

53

Gemma 3 27B

37

53
HumanEval
37

Mathematics

Claude 3 Opus

Claude 3 Opus

60

Gemma 3 27B

44

61
AIME 2023
45
63
AIME 2024
47
62
AIME 2025
46
57
HMMT Feb 2023
41
59
HMMT Feb 2024
43
58
HMMT Feb 2025
42
60
BRUMO 2025
44

Reasoning

Claude 3 Opus

Claude 3 Opus

58

Gemma 3 27B

42

59
SimpleQA
43
57
MuSR
41

Frequently Asked Questions

Which is better, Claude 3 Opus or Gemma 3 27B?

Claude 3 Opus scores higher overall with 51 vs 36, a difference of 15 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Opus or Gemma 3 27B?

Claude 3 Opus leads in knowledge tasks with an average score of 59.5 vs 42.8.

Which is better for coding, Claude 3 Opus or Gemma 3 27B?

Claude 3 Opus leads in coding with an average score of 53 vs 37.

Which is better for math, Claude 3 Opus or Gemma 3 27B?

Claude 3 Opus leads in math with an average score of 60 vs 44.

Which is better for reasoning, Claude 3 Opus or Gemma 3 27B?

Claude 3 Opus leads in reasoning with an average score of 58 vs 42.