Noometry

Model comparison

Gemma 2B vs GPT-5.1

GPT-5.1 is the stronger model overall, scoring 49.0 to 29.6 on the Noometry Index.

Last verified . 12 shared benchmarks.

Gemma 2B Google

29.6

Rank #307 Confirmed

GPT-5.1 OpenAI

49.0

Rank #53 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and GPT-5.1 in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-5.1 leads 64.5 to 24.0.
  • Gemma 2B has downloadable open weights; the other is API-only.

Side by side

Gemma 2BGPT-5.1
ProviderGoogleOpenAI
Noometry Index29.649.0
Released2024-02-212025-11-13
WeightsOpenProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked2363

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Category by category

Coding GPT-5.1 leads

Gemma 2B: 29.4 (#305), GPT-5.1: 46.4 (#66)

BenchmarkGemma 2BGPT-5.1
LMArena Coding10101454
SWE-bench Verified—68%
SWE-bench Verified (bash only)—66%
LMArena WebDev—1395
SciCode—43.3%
GSO—13.7%
WeirdML—60.8%
LiveBench Coding—72.5%
ALE-Bench—1,192
HumanEval+20.7%—
MBPP+34.1%—

Agentic & Tool Use Not comparable

Gemma 2B: —, GPT-5.1: 32.7 (#60)

BenchmarkGemma 2BGPT-5.1
Terminal-Bench—47.6%
DeepResearch Bench—42.8%
LMArena Search—1199
Vending-Bench 2—1,473

Reasoning GPT-5.1 leads

Gemma 2B: 18.8 (#275), GPT-5.1: 39.8 (#58)

BenchmarkGemma 2BGPT-5.1
LMArena Hard Prompts9891457
Epoch Capabilities Index94.2149.64
ARC-AGI-2—17.6%
SimpleBench—53.2%
ARC-AGI-1—72.8%
CritPt—4.9%
Chess Puzzles—32%
EnigmaEval—11.2%
LiveBench Reasoning—95.8%
Mystery Game Puzzles—19%
DTBench—90.1%
LiveBench Data Analysis—72.1%
LMCA—43.9%
BIG-Bench Hard35.2%—
ForecastBench—58.1
HellaSwag71.4%—
LiveBench—78.8%
PIQA77.3%—
WinoGrande65.4%—

Math GPT-5.1 leads

Gemma 2B: 30.0 (#239), GPT-5.1: 52.2 (#51)

BenchmarkGemma 2BGPT-5.1
LMArena Math10091447
OTIS Mock AIME 2024-2025—88.6%
Omni-MATH—46.4%
LiveBench Math—94.5%
FrontierMath (Feb 2025 set)—31%
FrontierMath Tier 4 (v1)—12.5%
GSM8K17.7%—

Knowledge Not comparable

Gemma 2B: —, GPT-5.1: 50.6 (#71)

BenchmarkGemma 2BGPT-5.1
GPQA Diamond—87.6%
Humanity's Last Exam—23.7%
SimpleQA Verified—48%
MMLU-Pro—57.9%
Vectara Hallucination Rate—10.9%
GPQA (HELM)—44.2%
LMArena Expert—1470
ARC (AI2) Challenge42.1%—
BoolQ69.4%—
MMLU42.3%—
TriviaQA53.2%—

Multimodal Not comparable

Gemma 2B: —, GPT-5.1: 44.8 (#19)

BenchmarkGemma 2BGPT-5.1
LMArena Vision—1250
VPCT—58.7%
LMArena Document—1403

Multilingual GPT-5.1 leads

Gemma 2B: 23.0 (#294), GPT-5.1: 53.8 (#56)

BenchmarkGemma 2BGPT-5.1
LMArena Non-English9581431
LMArena Chinese9861495
LMArena Russian9371435
LMArena French—1450
LMArena German—1438
LMArena Japanese—1453
LMArena Korean—1401
LMArena Spanish—1433

Instruction Following GPT-5.1 leads

Gemma 2B: 48.5 (#302), GPT-5.1: 83.9 (#1)

BenchmarkGemma 2BGPT-5.1
LMArena Instruction Following9701443
LiveBench Instruction Following—93.3%
IFEval—93.5%

Long Context GPT-5.1 leads

Gemma 2B: 29.9 (#291), GPT-5.1: 47.6 (#14)

BenchmarkGemma 2BGPT-5.1
LMArena Longer Query9811447
CL-bench—23.7%
CL-bench Life—17.3%

Writing & Preference GPT-5.1 leads

Gemma 2B: 24.0 (#308), GPT-5.1: 64.5 (#55)

BenchmarkGemma 2BGPT-5.1
LMArena Text10021443
LMArena Creative Writing9871427
LMArena Multi-Turn9451450
WildBench—86.3%
LiveBench Language—80.2%

Frequently asked questions

Is Gemma 2B better than GPT-5.1?

GPT-5.1 is the stronger model overall, scoring 49.0 to 29.6 on the Noometry Index.

Is Gemma 2B or GPT-5.1 better for coding?

GPT-5.1 scores higher on coding benchmarks: 46.4 versus 29.4 in the Noometry coding category.

How many benchmarks do Gemma 2B and GPT-5.1 share?

12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and GPT-5.1 has 63.

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