Model comparison

Gemma 4 31B IT vs Qwen3.5 397B-A17B

Qwen3.5 397B-A17B is the stronger model overall, scoring 46.0 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 8.9× less per token, which makes it the better buy when Qwen3.5 397B-A17B's lead doesn't matter for your workload.

Last verified . 26 shared benchmarks.

Gemma 4 31B IT Google

43.5

Rank #90 Confirmed

Qwen3.5 397B-A17B Alibaba (Qwen)

46.0

Rank #67 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Gemma 4 31B IT scores higher in 5 categories and Qwen3.5 397B-A17B in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Qwen3.5 397B-A17B leads 53.3 to 37.9.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 73.3% for Gemma 4 31B IT and 88.9% for Qwen3.5 397B-A17B.
  • Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.60 / $3.60 for Qwen3.5 397B-A17B.

Side by side

Gemma 4 31B IT and Qwen3.5 397B-A17B specifications
Gemma 4 31B ITQwen3.5 397B-A17B
ProviderGoogleAlibaba (Qwen)
Noometry Index43.546.0
Released2026-04-022026-02-01
WeightsOpenOpen
Context window262K262K
Max output33K66K
Input $ / M tokens$0.09$0.60
Output $ / M tokens$0.34$3.60
Results tracked3536

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Category by category

Coding Too close to call

Gemma 4 31B IT: 42.3 (#108), Qwen3.5 397B-A17B: 42.0 (#114)

Coding benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
LMArena WebDev13661400
LMArena Coding14591465
SciCode43.4%—
WeirdML52.3%—
ALE-Bench925.5—

Agentic & Tool Use Not comparable

Gemma 4 31B IT: —, Qwen3.5 397B-A17B: 33.3 (#53)

Agentic & Tool Use benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
APEX-Agents—24.9%
τ²-bench Airline—81.5%
τ²-bench Banking—9.8%
τ²-bench Retail—84.4%
τ²-bench Telecom—97.8%

Reasoning Qwen3.5 397B-A17B leads

Gemma 4 31B IT: 27.2 (#122), Qwen3.5 397B-A17B: 34.5 (#70)

Reasoning benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
Kagi LLM Benchmark63.5%73.7%
NYT Connections (extended)70.6%58.9%
Chess Puzzles5%13%
Thematic Generalization53%65.1%
LMArena Hard Prompts14481448
DTBench82.7%87.5%
LMCA39.3%37.9%
Epoch Capabilities Index142.74146.65
CritPt1.4%—
Mystery Game Puzzles—18%
Surface Evolver Bench30.6%—

Math Qwen3.5 397B-A17B leads

Gemma 4 31B IT: 43.2 (#81), Qwen3.5 397B-A17B: 46.1 (#73)

Math benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
OTIS Mock AIME 2024-202573.3%88.9%
LMArena Math14651454
FrontierMath (Tiers 1-3)—31.2%

Knowledge Qwen3.5 397B-A17B leads

Gemma 4 31B IT: 37.9 (#151), Qwen3.5 397B-A17B: 53.3 (#58)

Knowledge benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
GPQA Diamond75.8%86.4%
LMArena Expert14651462
SimpleQA Verified10.4%—
Vectara Hallucination Rate7.4%—

Multimodal Too close to call

Gemma 4 31B IT: 41.6 (#34), Qwen3.5 397B-A17B: 40.7 (#44)

Multimodal benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
LMArena Vision12771263
LMArena Document1425—

Multilingual Too close to call

Gemma 4 31B IT: 53.8 (#57), Qwen3.5 397B-A17B: 53.7 (#59)

Multilingual benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
LMArena Non-English14311430
LMArena Chinese14761500
LMArena French14351461
LMArena Russian14601429
LMArena Spanish14441441
LMArena German—1447
LMArena Japanese—1426
LMArena Korean—1384

Instruction Following Too close to call

Gemma 4 31B IT: 75.5 (#61), Qwen3.5 397B-A17B: 75.0 (#77)

Instruction Following benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
LMArena Instruction Following14331424

Long Context Too close to call

Gemma 4 31B IT: 44.2 (#71), Qwen3.5 397B-A17B: 44.1 (#74)

Long Context benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
LMArena Longer Query14461442

Writing & Preference Qwen3.5 397B-A17B leads

Gemma 4 31B IT: 60.5 (#96), Qwen3.5 397B-A17B: 62.3 (#79)

Writing & Preference benchmarks
BenchmarkGemma 4 31B ITQwen3.5 397B-A17B
LMArena Text14431438
LMArena Creative Writing14151401
EQ-Bench Creative Writing13681478
LMArena Multi-Turn14521446
EQ-Bench 41120—

Frequently asked questions

Is Gemma 4 31B IT better than Qwen3.5 397B-A17B?

Qwen3.5 397B-A17B is the stronger model overall, scoring 46.0 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 8.9× less per token, which makes it the better buy when Qwen3.5 397B-A17B's lead doesn't matter for your workload.

Which is cheaper, Gemma 4 31B IT or Qwen3.5 397B-A17B?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; Qwen3.5 397B-A17B lists at $0.60 and $3.60.

Is Gemma 4 31B IT or Qwen3.5 397B-A17B better for coding?

They score almost the same on coding (42.3 vs 42.0); test both on your own repository before choosing.

Which has the bigger context window?

Both accept 262K tokens.

How many benchmarks do Gemma 4 31B IT and Qwen3.5 397B-A17B share?

26 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Qwen3.5 397B-A17B has 36.

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