Model comparison

Gemma 2B vs Gemma 3 27B

Gemma 3 27B is the stronger model overall, scoring 30.8 to 29.6 on the Noometry Index.

Last verified . 12 shared benchmarks.

Gemma 2B Google

29.6

Rank #307 Confirmed

Gemma 3 27B Google

30.8

Rank #284 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Gemma 2B scores higher in 4 categories and Gemma 3 27B in 3 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Gemma 3 27B leads 52.5 to 24.0.

Side by side

Gemma 2B and Gemma 3 27B specifications
Gemma 2BGemma 3 27B
ProviderGoogleGoogle
Noometry Index29.630.8
Released2024-02-212025-03-11
WeightsOpenOpen
Context window—131K
Max output—8K
Input $ / M tokens—$0.08
Output $ / M tokens—$0.16
Results tracked2343

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Category by category

Coding Gemma 2B leads

Gemma 2B: 29.4 (#305), Gemma 3 27B: 22.5 (#334)

Coding benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Coding10101322
Aider Polyglot—4.9%
SciCode—21.2%
LiveBench Coding—39.9%
HumanEval+20.7%—
MBPP+34.1%—

Agentic & Tool Use Not comparable

Gemma 2B: —, Gemma 3 27B: 25.1 (#110)

Agentic & Tool Use benchmarks
BenchmarkGemma 2BGemma 3 27B
Berkeley Function Calling Leaderboard—29.5%

Reasoning Gemma 2B leads

Gemma 2B: 18.8 (#275), Gemma 3 27B: 16.7 (#301)

Reasoning benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Hard Prompts9891340
Epoch Capabilities Index94.2130.04
Kagi LLM Benchmark—40.4%
CritPt—0%
Chess Puzzles—0%
LiveBench Reasoning—43.8%
DTBench—52.5%
LiveBench Data Analysis—51.5%
LMCA—12.3%
BIG-Bench Hard35.2%—
HellaSwag71.4%—
LiveBench—50%
PIQA77.3%—
WinoGrande65.4%—

Math Gemma 2B leads

Gemma 2B: 30.0 (#239), Gemma 3 27B: 25.9 (#265)

Math benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Math10091312
OTIS Mock AIME 2024-2025—22.5%
LiveBench Math—55.4%
MATH Level 5—74%
GSM8K17.7%—

Knowledge Not comparable

Gemma 2B: —, Gemma 3 27B: 25.5 (#261)

Knowledge benchmarks
BenchmarkGemma 2BGemma 3 27B
GPQA Diamond—47.7%
Confabulations—40.3%
Vectara Hallucination Rate—7.4%
LMArena Expert—1304
ARC (AI2) Challenge42.1%—
BoolQ69.4%—
MMLU42.3%—
TriviaQA53.2%—

Multimodal Not comparable

Gemma 2B: —, Gemma 3 27B: 32.6 (#100)

Multimodal benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Vision—1164
GeoBench—52%

Multilingual Gemma 3 27B leads

Gemma 2B: 23.0 (#294), Gemma 3 27B: 46.9 (#155)

Multilingual benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Non-English9581334
LMArena Chinese9861346
LMArena Russian9371349
LMArena French—1368
LMArena German—1362
LMArena Japanese—1287
LMArena Korean—1308
LMArena Spanish—1349

Instruction Following Gemma 3 27B leads

Gemma 2B: 48.5 (#302), Gemma 3 27B: 70.6 (#160)

Instruction Following benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Instruction Following9701321
LiveBench Instruction Following—74.9%

Long Context Gemma 2B leads

Gemma 2B: 29.9 (#291), Gemma 3 27B: 27.6 (#293)

Long Context benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Longer Query9811333
Fiction.LiveBench—33.3%

Writing & Preference Gemma 3 27B leads

Gemma 2B: 24.0 (#308), Gemma 3 27B: 52.5 (#168)

Writing & Preference benchmarks
BenchmarkGemma 2BGemma 3 27B
LMArena Text10021358
LMArena Creative Writing9871346
LMArena Multi-Turn9451345
Short-Story Creative Writing—79.9%
EQ-Bench Creative Writing—1266
LiveBench Language—34.6%

Frequently asked questions

Is Gemma 2B better than Gemma 3 27B?

Gemma 3 27B is the stronger model overall, scoring 30.8 to 29.6 on the Noometry Index.

Is Gemma 2B or Gemma 3 27B better for coding?

Gemma 2B scores higher on coding benchmarks: 29.4 versus 22.5 in the Noometry coding category.

How many benchmarks do Gemma 2B and Gemma 3 27B share?

12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Gemma 3 27B has 43.

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