Noometry

Model comparison

Gemma 2B vs GPT-5.5

GPT-5.5 is the stronger model overall, scoring 63.4 to 29.6 on the Noometry Index.

Last verified . 12 shared benchmarks.

Gemma 2B Google

29.6

Rank #307 Confirmed

GPT-5.5 OpenAI

63.4

Rank #9 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and GPT-5.5 in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.5 leads 72.8 to 18.8.
  • Gemma 2B has downloadable open weights; the other is API-only.

Side by side

Gemma 2BGPT-5.5
ProviderGoogleOpenAI
Noometry Index29.663.4
Released2024-02-212026-04-23
WeightsOpenProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$5
Output $ / M tokens—$30
Results tracked2371

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Category by category

Coding GPT-5.5 leads

Gemma 2B: 29.4 (#305), GPT-5.5: 58.2 (#17)

BenchmarkGemma 2BGPT-5.5
LMArena Coding10101494
SWE-bench Verified—80.6%
DeepSWE—67%
FrontierCode—43%
LMArena WebDev—1513
SciCode—56.1%
GSO—40.2%
WeirdML—84.9%
MirrorCode—10%
ALE-Bench—1,943
HumanEval+20.7%—
MBPP+34.1%—

Agentic & Tool Use Not comparable

Gemma 2B: —, GPT-5.5: 50.7 (#6)

BenchmarkGemma 2BGPT-5.5
Terminal-Bench—84.7%
APEX-Agents—55.1%
OSWorld 2.0—13%
Remote Labor Index—6.3%
τ²-bench Banking—44.6%
DeepResearch Bench—54%
PostTrainBench—27.2%
ExploitBench—47.4%
GBAEval—53.2%
GDP.pdf—26%
LMArena Search—1242
Vending-Bench 2—7,524

Reasoning GPT-5.5 leads

Gemma 2B: 18.8 (#275), GPT-5.5: 72.8 (#11)

BenchmarkGemma 2BGPT-5.5
LMArena Hard Prompts9891489
Epoch Capabilities Index94.2159.1
ARC-AGI-2—85%
SimpleBench—69%
Kagi LLM Benchmark—88.8%
NYT Connections (extended)—96.2%
ARC-AGI-1—95%
CritPt—27.1%
Chess Puzzles—54%
EBR-Bench—34.3%
Mystery Game Puzzles—56%
DTBench—96%
LMCA—54.3%
Surface Evolver Bench—88.1%
Bench to the Future 3—0.14
BIG-Bench Hard35.2%—
ForecastBench—60.6
HellaSwag71.4%—
PIQA77.3%—
WinoGrande65.4%—

Math GPT-5.5 leads

Gemma 2B: 30.0 (#239), GPT-5.5: 81.7 (#11)

BenchmarkGemma 2BGPT-5.5
LMArena Math10091486
FrontierMath (Tiers 1-3)—85.3%
FrontierMath Tier 4—72.5%
MathArena Final-Answer Competitions—94.3%
OTIS Mock AIME 2024-2025—100%
ProofBench—50%
FrontierMath (Feb 2025 set)—51.7%
FrontierMath Erdős—0%
FrontierMath Tier 4 (v1)—35.4%
GSM8K17.7%—

Knowledge Not comparable

Gemma 2B: —, GPT-5.5: 64.4 (#17)

BenchmarkGemma 2BGPT-5.5
GPQA Diamond—94%
SimpleQA Verified—63%
Vectara Hallucination Rate—9.3%
LMArena Expert—1508
ARC (AI2) Challenge42.1%—
BoolQ69.4%—
MMLU42.3%—
TriviaQA53.2%—

Multimodal Not comparable

Gemma 2B: —, GPT-5.5: 46.9 (#12)

BenchmarkGemma 2BGPT-5.5
LMArena Vision—1297
Blueprint-Bench 2—36.2%
Furniture Assembly—44.2%
LMArena Document—1486

Multilingual GPT-5.5 leads

Gemma 2B: 23.0 (#294), GPT-5.5: 56.4 (#20)

BenchmarkGemma 2BGPT-5.5
LMArena Non-English9581467
LMArena Chinese9861533
LMArena Russian9371473
LMArena French—1486
LMArena German—1480
LMArena Japanese—1498
LMArena Korean—1460
LMArena Spanish—1468

Instruction Following GPT-5.5 leads

Gemma 2B: 48.5 (#302), GPT-5.5: 77.5 (#18)

BenchmarkGemma 2BGPT-5.5
LMArena Instruction Following9701479

Long Context GPT-5.5 leads

Gemma 2B: 29.9 (#291), GPT-5.5: 48.3 (#12)

BenchmarkGemma 2BGPT-5.5
LMArena Longer Query9811484
CL-bench Life—22.2%

Writing & Preference GPT-5.5 leads

Gemma 2B: 24.0 (#308), GPT-5.5: 72.7 (#13)

BenchmarkGemma 2BGPT-5.5
LMArena Text10021472
LMArena Creative Writing9871455
LMArena Multi-Turn9451476
EQ-Bench Creative Writing—1844
EQ-Bench 4—1315

Frequently asked questions

Is Gemma 2B better than GPT-5.5?

GPT-5.5 is the stronger model overall, scoring 63.4 to 29.6 on the Noometry Index.

Is Gemma 2B or GPT-5.5 better for coding?

GPT-5.5 scores higher on coding benchmarks: 58.2 versus 29.4 in the Noometry coding category.

How many benchmarks do Gemma 2B and GPT-5.5 share?

12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and GPT-5.5 has 71.

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