Model comparison

Gemma 3 12B vs Step 3.7 Flash

Step 3.7 Flash is the stronger model overall, scoring 37.3 to 32.1 on the Noometry Index. Gemma 3 12B costs 5.5× less per token, which makes it the better buy when Step 3.7 Flash's lead doesn't matter for your workload.

Last verified . 2 shared benchmarks.

Gemma 3 12B Google

32.1

Rank #262 Confirmed

Step 3.7 Flash StepFun

37.3

Rank #207 Reported

Summary

  • They share 2 benchmarks with published results for both. Gemma 3 12B scores higher in 0 categories and Step 3.7 Flash in 3 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where Step 3.7 Flash leads 42.9 to 22.3.
  • The biggest single-benchmark swing is SciCode: 17.4% for Gemma 3 12B and 40% for Step 3.7 Flash.
  • Gemma 3 12B is cheaper at $0.05 / $0.15 per million input/output tokens, against $0.18 / $1.11 for Step 3.7 Flash.
  • Step 3.7 Flash accepts more context: 256K tokens versus 131K.

Side by side

Gemma 3 12B and Step 3.7 Flash specifications
Gemma 3 12BStep 3.7 Flash
ProviderGoogleStepFun
Noometry Index32.137.3
Released2025-03-122026-05-29
WeightsOpenOpen
Context window131K256K
Max output8K256K
Input $ / M tokens$0.05$0.18
Output $ / M tokens$0.15$1.11
Results tracked245

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Category by category

Coding Step 3.7 Flash leads

Gemma 3 12B: 31.7 (#280), Step 3.7 Flash: 40.0 (#150)

Coding benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
SciCode17.4%40%
LMArena Coding1281—
ALE-Bench—694.12

Agentic & Tool Use Not comparable

Gemma 3 12B: 25.5 (#108), Step 3.7 Flash: —

Agentic & Tool Use benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
Berkeley Function Calling Leaderboard30.4%—

Reasoning Step 3.7 Flash leads

Gemma 3 12B: 15.7 (#313), Step 3.7 Flash: 21.6 (#219)

Reasoning benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
CritPt0%2.3%
NYT Connections (extended)—39.7%
Chess Puzzles0%—
LMArena Hard Prompts1309—
DTBench48.8%—
LMCA4.5%—
Epoch Capabilities Index123.5—

Math Step 3.7 Flash leads

Gemma 3 12B: 22.3 (#279), Step 3.7 Flash: 42.9 (#82)

Math benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
MathArena Final-Answer Competitions—68.5%
OTIS Mock AIME 2024-202516.7%—
LMArena Math1307—

Knowledge Not comparable

Gemma 3 12B: 26.5 (#257), Step 3.7 Flash: —

Knowledge benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
GPQA Diamond39.5%—
Vectara Hallucination Rate4.4%—
LMArena Expert1248—

Multimodal Not comparable

Gemma 3 12B: —, Step 3.7 Flash: —

Multimodal benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
MindCube46.7%—

Multilingual Not comparable

Gemma 3 12B: 45.7 (#165), Step 3.7 Flash: —

Multilingual benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
LMArena Non-English1318—
LMArena German1370—
LMArena Russian1335—

Instruction Following Not comparable

Gemma 3 12B: 68.6 (#186), Step 3.7 Flash: —

Instruction Following benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
LMArena Instruction Following1299—

Long Context Not comparable

Gemma 3 12B: 40.0 (#162), Step 3.7 Flash: —

Long Context benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
LMArena Longer Query1317—

Writing & Preference Not comparable

Gemma 3 12B: 47.5 (#209), Step 3.7 Flash: —

Writing & Preference benchmarks
BenchmarkGemma 3 12BStep 3.7 Flash
LMArena Text1334—
LMArena Creative Writing1331—
EQ-Bench Creative Writing1126—
LMArena Multi-Turn1334—

Frequently asked questions

Is Gemma 3 12B better than Step 3.7 Flash?

Step 3.7 Flash is the stronger model overall, scoring 37.3 to 32.1 on the Noometry Index. Gemma 3 12B costs 5.5× less per token, which makes it the better buy when Step 3.7 Flash's lead doesn't matter for your workload.

Which is cheaper, Gemma 3 12B or Step 3.7 Flash?

Gemma 3 12B is cheaper. It lists at $0.05 per million input tokens and $0.15 per million output tokens; Step 3.7 Flash lists at $0.18 and $1.11.

Is Gemma 3 12B or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 31.7 in the Noometry coding category.

Which has the bigger context window?

Step 3.7 Flash does, with 256K tokens against 131K.

How many benchmarks do Gemma 3 12B and Step 3.7 Flash share?

2 benchmarks have published results for both models. Gemma 3 12B has 24 scored results on Noometry and Step 3.7 Flash has 5.

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