Noometry

Model comparison

Gemini 3.1 Flash Lite vs Qwen1.5 4b Chat

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 28.3 on the Noometry Index.

Last verified . 13 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.4

Rank #141 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.3

Rank #319 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Gemini 3.1 Flash Lite leads 61.0 to 23.9.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

Gemini 3.1 Flash LiteQwen1.5 4b Chat
ProviderGoogleAlibaba (Qwen)
Noometry Index40.428.3
Released2026-03-03—
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$0.25—
Output $ / M tokens$1.50—
Results tracked3813

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Category by category

Coding Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 37.5 (#179), Qwen1.5 4b Chat: 28.6 (#305)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Coding1400999
LMArena WebDev1256—
SciCode41.9%—
WeirdML52.2%—
ALE-Bench797.73—

Agentic & Tool Use Not comparable

Gemini 3.1 Flash Lite: 29.9 (#72), Qwen1.5 4b Chat: —

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
DeepResearch Bench37.3%—

Reasoning Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 22.3 (#181), Qwen1.5 4b Chat: 17.7 (#277)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Hard Prompts1407976
Kagi LLM Benchmark67.2%—
NYT Connections (extended)8.2%—
CritPt1.1%—
Chess Puzzles25%—
EnigmaEval3%—
Thematic Generalization63.3%—
DTBench76.8%—
LMCA35%—
Epoch Capabilities Index144.45—
ForecastBench54.4—

Math Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 39.5 (#82), Qwen1.5 4b Chat: 27.9 (#233)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Math14271026
FrontierMath (Tiers 1-3)27.7%—
OTIS Mock AIME 2024-202580%—

Knowledge Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 41.7 (#95), Qwen1.5 4b Chat: 26.2 (#252)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Expert1397980
GPQA Diamond81.8%—
Humanity's Last Exam8.6%—
Vectara Hallucination Rate8.2%—

Multimodal Not comparable

Gemini 3.1 Flash Lite: 38.7 (#57), Qwen1.5 4b Chat: —

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Vision1240—

Multilingual Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 52.5 (#82), Qwen1.5 4b Chat: 24.2 (#285)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Non-English1410979
LMArena Chinese14611024
LMArena German1429902
LMArena Russian1420952
LMArena French1423—
LMArena Japanese1411—
LMArena Korean1393—
LMArena Spanish1420—

Instruction Following Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 72.9 (#126), Qwen1.5 4b Chat: 49.3 (#295)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Instruction Following1376979

Long Context Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 42.5 (#117), Qwen1.5 4b Chat: 30.1 (#285)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Longer Query1394988

Writing & Preference Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 61.0 (#90), Qwen1.5 4b Chat: 23.9 (#304)

BenchmarkGemini 3.1 Flash LiteQwen1.5 4b Chat
LMArena Text1416997
LMArena Creative Writing1401969
LMArena Multi-Turn1417977

Frequently asked questions

Is Gemini 3.1 Flash Lite better than Qwen1.5 4b Chat?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 28.3 on the Noometry Index.

Is Gemini 3.1 Flash Lite or Qwen1.5 4b Chat better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 28.6 in the Noometry coding category.

How many benchmarks do Gemini 3.1 Flash Lite and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Qwen1.5 4b Chat has 13.

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