Noometry

Model comparison

Gemini 1.5 Flash 8B vs Gemma 4 31B IT

Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 29.9 on the Noometry Index.

Last verified . 18 shared benchmarks.

Gemini 1.5 Flash 8B Google

29.9

Rank #301 Confirmed

Gemma 4 31B IT Google

43.5

Rank #90 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and Gemma 4 31B IT in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemma 4 31B IT leads 43.2 to 14.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 73.3% for Gemma 4 31B IT.
  • Gemma 4 31B IT has downloadable open weights; the other is API-only.

Side by side

Gemini 1.5 Flash 8BGemma 4 31B IT
ProviderGoogleGoogle
Noometry Index29.943.5
Released2024-10-032026-04-02
WeightsProprietaryOpen
Context window—262K
Max output—33K
Input $ / M tokens—$0.09
Output $ / M tokens—$0.34
Results tracked2135

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Category by category

Coding Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 35.5 (#225), Gemma 4 31B IT: 42.3 (#108)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Coding12181459
LMArena WebDev—1366
SciCode—43.4%
WeirdML—52.3%
ALE-Bench—925.5

Reasoning Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 20.0 (#244), Gemma 4 31B IT: 27.2 (#122)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Hard Prompts12091448
DTBench50%82.7%
Kagi LLM Benchmark—63.5%
NYT Connections (extended)—70.6%
CritPt—1.4%
Chess Puzzles—5%
Thematic Generalization—53%
LMCA—39.3%
Surface Evolver Bench—30.6%
Epoch Capabilities Index—142.74

Math Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 14.2 (#302), Gemma 4 31B IT: 43.2 (#81)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
OTIS Mock AIME 2024-20254.6%73.3%
LMArena Math12071465

Knowledge Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 16.0 (#289), Gemma 4 31B IT: 37.9 (#151)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
GPQA Diamond33%75.8%
LMArena Expert11851465
SimpleQA Verified—10.4%
Vectara Hallucination Rate—7.4%

Multimodal Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 28.2 (#115), Gemma 4 31B IT: 41.6 (#34)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Vision10441277
LMArena Document—1425

Multilingual Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 38.5 (#229), Gemma 4 31B IT: 53.8 (#57)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Non-English12151431
LMArena Chinese12311476
LMArena French12341435
LMArena Russian12361460
LMArena Spanish12121444
LMArena German1206—
LMArena Japanese1150—
LMArena Korean1140—

Instruction Following Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 62.8 (#236), Gemma 4 31B IT: 75.5 (#61)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Instruction Following11991433

Long Context Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 37.0 (#225), Gemma 4 31B IT: 44.2 (#71)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Longer Query12191446

Writing & Preference Gemma 4 31B IT leads

Gemini 1.5 Flash 8B: 42.8 (#232), Gemma 4 31B IT: 60.5 (#96)

BenchmarkGemini 1.5 Flash 8BGemma 4 31B IT
LMArena Text12261443
LMArena Creative Writing12181415
LMArena Multi-Turn11851452
EQ-Bench Creative Writing—1368
EQ-Bench 4—1120

Frequently asked questions

Is Gemini 1.5 Flash 8B better than Gemma 4 31B IT?

Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 29.9 on the Noometry Index.

Is Gemini 1.5 Flash 8B or Gemma 4 31B IT better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 42.3 versus 35.5 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Flash 8B and Gemma 4 31B IT share?

18 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Gemma 4 31B IT has 35.

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