Noometry

Model comparison

Gemini 3.1 Flash Lite vs Step 3.7 Flash

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 37.3 on the Noometry Index.

Last verified . 4 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

Step 3.7 Flash StepFun

37.3

Rank #207 Reported

Summary

  • They share 4 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 1 category and Step 3.7 Flash in 2 categories; 3 gaps are clear of the uncertainty.
  • The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 39.7% for Step 3.7 Flash.
  • Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 256K.
  • Step 3.7 Flash has downloadable open weights; the other is API-only.

Side by side

Gemini 3.1 Flash LiteStep 3.7 Flash
ProviderGoogleStepFun
Noometry Index40.837.3
Released2026-03-032026-05-29
WeightsProprietaryOpen
Context window1.05M256K
Max output66K256K
Input $ / M tokens$0.25$0.18
Output $ / M tokens$1.50$1.11
Results tracked385

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Category by category

Coding Step 3.7 Flash leads

Gemini 3.1 Flash Lite: 37.8 (#188), Step 3.7 Flash: 40.0 (#150)

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
SciCode41.9%40%
ALE-Bench797.73694.12
LMArena WebDev1256—
WeirdML52.2%—
LMArena Coding1400—

Agentic & Tool Use Not comparable

Gemini 3.1 Flash Lite: 30.2 (#79), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
DeepResearch Bench37.3%—

Reasoning Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 22.9 (#186), Step 3.7 Flash: 21.6 (#219)

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
NYT Connections (extended)8.2%39.7%
CritPt1.1%2.3%
Kagi LLM Benchmark67.2%—
Chess Puzzles25%—
EnigmaEval3%—
Thematic Generalization63.3%—
LMArena Hard Prompts1407—
DTBench76.8%—
LMCA35%—
Epoch Capabilities Index144.47—
ForecastBench54.4—

Math Step 3.7 Flash leads

Gemini 3.1 Flash Lite: 40.7 (#90), Step 3.7 Flash: 42.9 (#82)

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
FrontierMath (Tiers 1-3)27.7%—
MathArena Final-Answer Competitions—68.5%
OTIS Mock AIME 2024-202580%—
LMArena Math1428—

Knowledge Not comparable

Gemini 3.1 Flash Lite: 41.9 (#104), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
GPQA Diamond81.8%—
Humanity's Last Exam8.6%—
Vectara Hallucination Rate8.2%—
LMArena Expert1398—

Multimodal Not comparable

Gemini 3.1 Flash Lite: 39.4 (#60), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
LMArena Vision1240—

Multilingual Not comparable

Gemini 3.1 Flash Lite: 52.3 (#86), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
LMArena Non-English1411—
LMArena Chinese1461—
LMArena French1424—
LMArena German1429—
LMArena Japanese1413—
LMArena Korean1392—
LMArena Russian1420—
LMArena Spanish1421—

Instruction Following Not comparable

Gemini 3.1 Flash Lite: 72.7 (#131), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
LMArena Instruction Following1377—

Long Context Not comparable

Gemini 3.1 Flash Lite: 42.5 (#122), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
LMArena Longer Query1394—

Writing & Preference Not comparable

Gemini 3.1 Flash Lite: 60.9 (#94), Step 3.7 Flash: —

BenchmarkGemini 3.1 Flash LiteStep 3.7 Flash
LMArena Text1416—
LMArena Creative Writing1401—
LMArena Multi-Turn1417—

Frequently asked questions

Is Gemini 3.1 Flash Lite better than Step 3.7 Flash?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 37.3 on the Noometry Index.

Which is cheaper, Gemini 3.1 Flash Lite or Step 3.7 Flash?

Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.

Is Gemini 3.1 Flash Lite or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 37.8 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 256K.

How many benchmarks do Gemini 3.1 Flash Lite and Step 3.7 Flash share?

4 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Step 3.7 Flash has 5.

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