Gemma 3 27B vs GPT-4.1 nano

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

Gemma 3 27B is clearly ahead on the aggregate, 42 to 23. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemma 3 27B's sharpest advantage is in mathematics, where it averages 45.5 against 9.8. The single biggest benchmark swing on the page is AIME 2024, 47 to 9.8. GPT-4.1 nano does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

GPT-4.1 nano gives you the larger context window at 1M, compared with 32K for Gemma 3 27B.

Quick Verdict

Pick Gemma 3 27B if you want the stronger benchmark profile. GPT-4.1 nano only becomes the better choice if knowledge is the priority or you need the larger 1M context window.

Knowledge

GPT-4.1 nano

Gemma 3 27B

37.3

GPT-4.1 nano

65.2

45
MMLU
80.1
44
GPQA
50.3
42
SuperGPQA
-
40
OpenBookQA
-
50
MMLU-Pro
-
3
HLE
-

Coding

Gemma 3 27B
37
HumanEval
-
16
SWE-bench Verified
-
15
LiveCodeBench
-

Mathematics

Gemma 3 27B

Gemma 3 27B

45.5

GPT-4.1 nano

9.8

45
AIME 2023
-
47
AIME 2024
9.8
46
AIME 2025
-
41
HMMT Feb 2023
-
43
HMMT Feb 2024
-
42
HMMT Feb 2025
-
44
BRUMO 2025
-
56
MATH-500
-

Reasoning

Gemma 3 27B
43
SimpleQA
-
41
MuSR
-
62
BBH
-

Instruction Following

GPT-4.1 nano

Gemma 3 27B

67

GPT-4.1 nano

83.2

67
IFEval
83.2

Multilingual

Gemma 3 27B
64
MGSM
-

Frequently Asked Questions

Which is better, Gemma 3 27B or GPT-4.1 nano?

Gemma 3 27B is ahead overall, 42 to 23. The biggest single separator in this matchup is AIME 2024, where the scores are 47 and 9.8.

Which is better for knowledge tasks, Gemma 3 27B or GPT-4.1 nano?

GPT-4.1 nano has the edge for knowledge tasks in this comparison, averaging 65.2 versus 37.3. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for math, Gemma 3 27B or GPT-4.1 nano?

Gemma 3 27B has the edge for math in this comparison, averaging 45.5 versus 9.8. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for instruction following, Gemma 3 27B or GPT-4.1 nano?

GPT-4.1 nano has the edge for instruction following in this comparison, averaging 83.2 versus 67. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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