Noometry

Model comparison

Gemma 3 12B vs GPT-6 Sol

GPT-6 Sol is the stronger model overall, scoring 49.2 to 31.8 on the Noometry Index. Gemma 3 12B costs 53× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

Last verified . 13 shared benchmarks.

Gemma 3 12B Google

31.8

Rank #255 Confirmed

GPT-6 Sol OpenAI

49.2

Rank #46 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Gemma 3 12B scores higher in 0 categories and GPT-6 Sol in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-6 Sol leads 49.3 to 15.2.
  • Gemma 3 12B is cheaper at $0.05 / $0.15 per million input/output tokens, against $2 / $10 for GPT-6 Sol.
  • GPT-6 Sol accepts more context: 1.05M tokens versus 131K.
  • Gemma 3 12B has downloadable open weights; the other is API-only.

Side by side

Gemma 3 12BGPT-6 Sol
ProviderGoogleOpenAI
Noometry Index31.849.2
Released2025-03-122026-09-22
WeightsOpenProprietary
Context window131K1.05M
Max output8K128K
Input $ / M tokens$0.05$2
Output $ / M tokens$0.15$10
Results tracked2422

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Category by category

Coding GPT-6 Sol leads

Gemma 3 12B: 31.2 (#276), GPT-6 Sol: 59.6 (#11)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Coding12811453
DeepSWE—68.8%
FrontierCode—49.3%
LMArena WebDev—1692
SciCode17.4%—

Agentic & Tool Use GPT-6 Sol leads

Gemma 3 12B: 25.3 (#101), GPT-6 Sol: 33.5 (#49)

BenchmarkGemma 3 12BGPT-6 Sol
Berkeley Function Calling Leaderboard30.4%—
GDP.pdf—28%

Reasoning GPT-6 Sol leads

Gemma 3 12B: 15.2 (#307), GPT-6 Sol: 49.3 (#34)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Hard Prompts13091420
NYT Connections (extended)—90.1%
CritPt0%—
Chess Puzzles0%—
EBR-Bench—53.3%
DTBench48.8%—
LMCA4.5%—
Epoch Capabilities Index123.49—

Math GPT-6 Sol leads

Gemma 3 12B: 21.0 (#273), GPT-6 Sol: 35.8 (#135)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Math13071404
OTIS Mock AIME 2024-202516.7%—

Knowledge GPT-6 Sol leads

Gemma 3 12B: 26.5 (#250), GPT-6 Sol: 43.0 (#87)

BenchmarkGemma 3 12BGPT-6 Sol
Vectara Hallucination Rate4.4%6.5%
LMArena Expert12481449
GPQA Diamond39.5%—

Multimodal Not comparable

Gemma 3 12B: —, GPT-6 Sol: 47.6 (#9)

BenchmarkGemma 3 12BGPT-6 Sol
Furniture Assembly—58.3%
MindCube46.7%—

Multilingual GPT-6 Sol leads

Gemma 3 12B: 45.9 (#160), GPT-6 Sol: 51.0 (#113)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Non-English13181389
LMArena Russian13351407
LMArena Chinese—1416
LMArena German1370—
LMArena Spanish—1377

Instruction Following GPT-6 Sol leads

Gemma 3 12B: 68.8 (#179), GPT-6 Sol: 74.4 (#97)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Instruction Following12991406

Long Context GPT-6 Sol leads

Gemma 3 12B: 40.0 (#157), GPT-6 Sol: 43.2 (#100)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Longer Query13171415

Writing & Preference GPT-6 Sol leads

Gemma 3 12B: 47.7 (#205), GPT-6 Sol: 72.3 (#15)

BenchmarkGemma 3 12BGPT-6 Sol
LMArena Text13341396
LMArena Creative Writing13311392
EQ-Bench Creative Writing11262125
LMArena Multi-Turn13341405

Frequently asked questions

Is Gemma 3 12B better than GPT-6 Sol?

GPT-6 Sol is the stronger model overall, scoring 49.2 to 31.8 on the Noometry Index. Gemma 3 12B costs 53× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.

Which is cheaper, Gemma 3 12B or GPT-6 Sol?

Gemma 3 12B is cheaper. It lists at $0.05 per million input tokens and $0.15 per million output tokens; GPT-6 Sol lists at $2 and $10.

Is Gemma 3 12B or GPT-6 Sol better for coding?

GPT-6 Sol scores higher on coding benchmarks: 59.6 versus 31.2 in the Noometry coding category.

Which has the bigger context window?

GPT-6 Sol does, with 1.05M tokens against 131K.

How many benchmarks do Gemma 3 12B and GPT-6 Sol share?

13 benchmarks have published results for both models. Gemma 3 12B has 24 scored results on Noometry and GPT-6 Sol has 22.

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