Noometry

Model comparison

Gemini 3.1 Pro Preview vs Gemini 3.7 Flash

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 56.7 on the Noometry Index.

Last verified . 41 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #23 Confirmed

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

Summary

  • They share 41 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 4 categories and Gemini 3.7 Flash in 6 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Gemini 3.7 Flash leads 56.2 to 42.5.
  • The biggest single-benchmark swing is DeepSWE: 11.7% for Gemini 3.1 Pro Preview and 65.5% for Gemini 3.7 Flash.
  • Gemini 3.7 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $2 / $12 for Gemini 3.1 Pro Preview.

Side by side

Gemini 3.1 Pro PreviewGemini 3.7 Flash
ProviderGoogleGoogle
Noometry Index56.759.8
Released2026-02-192026-08-13
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K66K
Input $ / M tokens$2$0.75
Output $ / M tokens$12$3.75
Results tracked7144

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Category by category

Coding Gemini 3.7 Flash leads

Gemini 3.1 Pro Preview: 42.5 (#99), Gemini 3.7 Flash: 56.2 (#22)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
DeepSWE11.7%65.5%
LMArena WebDev14471592
SciCode58.9%59.8%
LMArena Coding14841497
ALE-Bench1,161904.3
SWE-bench Verified75.6%—
FrontierCode—43.6%
FrontierSWE—20.3%
GSO22.6%—
WeirdML72.1%—
MirrorCode8.9%—
AlgoTune2.02—

Agentic & Tool Use Gemini 3.7 Flash leads

Gemini 3.1 Pro Preview: 37.7 (#34), Gemini 3.7 Flash: 42.1 (#19)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
APEX-Agents35.3%67.8%
GDP.pdf17%23.8%
Terminal-Bench80.2%—
Remote Labor Index—5%
τ²-bench Banking26%—
DeepResearch Bench47.8%—
PostTrainBench22%—
BALROG57%—
ExploitBench26.1%—
GBAEval0.8%—
LMArena Search1211—
METR Time Horizons77%—
Vending-Bench 23,774—

Reasoning Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.7 (#12), Gemini 3.7 Flash: 70.0 (#15)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
ARC-AGI-277.1%84.6%
NYT Connections (extended)97.4%94%
ARC-AGI-198%95.5%
CritPt17.7%14.3%
Chess Puzzles55%47%
LMArena Hard Prompts14851494
Mystery Game Puzzles34%37%
DTBench97.1%96.8%
LMCA53.8%50.4%
Epoch Capabilities Index154.77157.27
SimpleBench79.6%—
EnigmaEval36.8%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
ForecastBench59—

Math Gemini 3.7 Flash leads

Gemini 3.1 Pro Preview: 62.1 (#34), Gemini 3.7 Flash: 69.6 (#23)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
FrontierMath (Tiers 1-3)59.6%71.6%
FrontierMath Tier 426.8%36.6%
OTIS Mock AIME 2024-202595.6%97.2%
ProofBench26%58%
LMArena Math14851507
MathArena Final-Answer Competitions86.5%—
FrontierMath (Feb 2025 set)36.9%—
FrontierMath Tier 4 (v1)16.7%—

Knowledge Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.8 (#3), Gemini 3.7 Flash: 69.7 (#5)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
GPQA Diamond94.4%94.8%
SimpleQA Verified73.5%69.2%
LMArena Expert14851508
Humanity's Last Exam46.4%—
Vectara Hallucination Rate10.4%—

Multimodal Too close to call

Gemini 3.1 Pro Preview: 37.9 (#69), Gemini 3.7 Flash: 37.3 (#73)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
LMArena Vision12961316
Furniture Assembly26.7%26.7%
Blueprint-Bench 226.5%—
LMArena Document1444—

Multilingual Too close to call

Gemini 3.1 Pro Preview: 57.0 (#12), Gemini 3.7 Flash: 57.6 (#7)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
LMArena Non-English14771484
LMArena Chinese15291548
LMArena French14871505
LMArena German14911498
LMArena Japanese14931512
LMArena Korean14551483
LMArena Russian14981516
LMArena Spanish14791503

Instruction Following Too close to call

Gemini 3.1 Pro Preview: 77.0 (#32), Gemini 3.7 Flash: 77.7 (#15)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
LMArena Instruction Following14661483

Long Context Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 47.4 (#18), Gemini 3.7 Flash: 45.7 (#30)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
LMArena Longer Query14831492
CL-bench20.8%—
CL-bench Life16.9%—

Writing & Preference Gemini 3.7 Flash leads

Gemini 3.1 Pro Preview: 66.1 (#37), Gemini 3.7 Flash: 71.2 (#20)

BenchmarkGemini 3.1 Pro PreviewGemini 3.7 Flash
LMArena Text14811486
LMArena Creative Writing14821490
EQ-Bench Creative Writing14911723
LMArena Multi-Turn14881489
EQ-Bench 41142—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than Gemini 3.7 Flash?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 56.7 on the Noometry Index.

Which is cheaper, Gemini 3.1 Pro Preview or Gemini 3.7 Flash?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.

Is Gemini 3.1 Pro Preview or Gemini 3.7 Flash better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 42.5 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do Gemini 3.1 Pro Preview and Gemini 3.7 Flash share?

41 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Gemini 3.7 Flash has 44.

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