Model comparison

Gemma 3 1B vs Gemma 3 27B

Gemma 3 27B is the stronger model overall, scoring 30.8 to 21.1 on the Noometry Index.

Last verified October 10, 2026. 4 shared benchmarks.

Gemma 3 1B

Google

21.1

Rank #353 Reported

Gemma 3 27B

Google

30.8

Rank #284 Confirmed

Summary

They share 4 benchmarks with published results for both. Gemma 3 1B scores higher in 1 category and Gemma 3 27B in 3 categories; 4 gaps are clear of the uncertainty.
The widest gap is in knowledge, where Gemma 3 27B leads 25.5 to 7.0.
The biggest single-benchmark swing is GPQA Diamond: 19.9% for Gemma 3 1B and 47.7% for Gemma 3 27B.

Side by side

Gemma 3 1B and Gemma 3 27B specifications
	Gemma 3 1B	Gemma 3 27B
Provider	Google	Google
Noometry Index	21.1	30.8
Released	2025-03-12	2025-03-11
Weights	Open	Open
Context window	—	131K
Max output	—	8K
Input $ / M tokens	—	$0.08
Output $ / M tokens	—	$0.16
Results tracked	4	43

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Category by category

Coding Not comparable

Gemma 3 1B: —, Gemma 3 27B: 22.5 (#334)

Coding benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
Aider Polyglot	—	4.9%
SciCode	—	21.2%
LiveBench Coding	—	39.9%
LMArena Coding	—	1322

Agentic & Tool Use Gemma 3 27B leads

Gemma 3 1B: 13.7 (#152), Gemma 3 27B: 25.1 (#110)

Agentic & Tool Use benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
Berkeley Function Calling Leaderboard	7.2%	29.5%

Reasoning Gemma 3 1B leads

Gemma 3 1B: 19.2 (#264), Gemma 3 27B: 16.7 (#301)

Reasoning benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
Chess Puzzles	0%	0%
Kagi LLM Benchmark	—	40.4%
CritPt	—	0%
LiveBench Reasoning	—	43.8%
LMArena Hard Prompts	—	1340
DTBench	—	52.5%
LiveBench Data Analysis	—	51.5%
LMCA	—	12.3%
Epoch Capabilities Index	—	130.04
LiveBench	—	50%

Math Gemma 3 27B leads

Gemma 3 1B: 10.2 (#316), Gemma 3 27B: 25.9 (#265)

Math benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
OTIS Mock AIME 2024-2025	1.1%	22.5%
LiveBench Math	—	55.4%
LMArena Math	—	1312
MATH Level 5	—	74%

Knowledge Gemma 3 27B leads

Gemma 3 1B: 7.0 (#314), Gemma 3 27B: 25.5 (#261)

Knowledge benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
GPQA Diamond	19.9%	47.7%
Confabulations	—	40.3%
Vectara Hallucination Rate	—	7.4%
LMArena Expert	—	1304

Multimodal Not comparable

Gemma 3 1B: —, Gemma 3 27B: 32.6 (#100)

Multimodal benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
LMArena Vision	—	1164
GeoBench	—	52%

Multilingual Not comparable

Gemma 3 1B: —, Gemma 3 27B: 46.9 (#155)

Multilingual benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
LMArena Non-English	—	1334
LMArena Chinese	—	1346
LMArena French	—	1368
LMArena German	—	1362
LMArena Japanese	—	1287
LMArena Korean	—	1308
LMArena Russian	—	1349
LMArena Spanish	—	1349

Instruction Following Not comparable

Gemma 3 1B: —, Gemma 3 27B: 70.6 (#160)

Instruction Following benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
LiveBench Instruction Following	—	74.9%
LMArena Instruction Following	—	1321

Long Context Not comparable

Gemma 3 1B: —, Gemma 3 27B: 27.6 (#293)

Long Context benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
Fiction.LiveBench	—	33.3%
LMArena Longer Query	—	1333

Writing & Preference Not comparable

Gemma 3 1B: —, Gemma 3 27B: 52.5 (#168)

Writing & Preference benchmarks
Benchmark	Gemma 3 1B	Gemma 3 27B
LMArena Text	—	1358
LMArena Creative Writing	—	1346
Short-Story Creative Writing	—	79.9%
EQ-Bench Creative Writing	—	1266
LMArena Multi-Turn	—	1345
LiveBench Language	—	34.6%

Frequently asked questions

Is Gemma 3 1B better than Gemma 3 27B?