Model comparison

Gemma 4 31B IT vs MiMo-V2-Flash

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 40.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

Gemma 4 31B IT Google

43.2

Rank #85 Confirmed

MiMo-V2-Flash Xiaomi

40.8

Rank #137 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Gemma 4 31B IT scores higher in 7 categories and MiMo-V2-Flash in 1 category; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Gemma 4 31B IT leads 41.9 to 35.8.
  • The biggest single-benchmark swing is SciCode: 43.4% for Gemma 4 31B IT and 25.9% for MiMo-V2-Flash.
  • Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.14 / $0.28 for MiMo-V2-Flash.

Side by side

Gemma 4 31B IT and MiMo-V2-Flash specifications
Gemma 4 31B ITMiMo-V2-Flash
ProviderGoogleXiaomi
Noometry Index43.240.8
Released2026-04-022025-12-16
WeightsOpenOpen
Context window262K262K
Max output33K66K
Input $ / M tokens$0.09$0.14
Output $ / M tokens$0.34$0.28
Results tracked3521

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Category by category

Coding Gemma 4 31B IT leads

Gemma 4 31B IT: 41.9 (#98), MiMo-V2-Flash: 35.8 (#205)

Coding benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena WebDev13641330
SciCode43.4%25.9%
LMArena Coding14591443
ALE-Bench925.5737.95
WeirdML52.3%—

Reasoning Gemma 4 31B IT leads

Gemma 4 31B IT: 26.4 (#119), MiMo-V2-Flash: 24.1 (#155)

Reasoning benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
CritPt1.4%0%
LMArena Hard Prompts14481420
Kagi LLM Benchmark63.5%—
NYT Connections (extended)70.6%—
Chess Puzzles5%—
Thematic Generalization53%—
DTBench82.7%—
LMCA39.3%—
Surface Evolver Bench30.6%—
Epoch Capabilities Index142.74—

Math Gemma 4 31B IT leads

Gemma 4 31B IT: 41.3 (#72), MiMo-V2-Flash: 35.6 (#141)

Math benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Math14641396
OTIS Mock AIME 2024-202573.3%—

Knowledge MiMo-V2-Flash leads

Gemma 4 31B IT: 37.9 (#141), MiMo-V2-Flash: 39.1 (#126)

Knowledge benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Expert14651425
GPQA Diamond75.8%—
SimpleQA Verified10.4%—
Vectara Hallucination Rate7.4%—

Multimodal Not comparable

Gemma 4 31B IT: 41.0 (#32), MiMo-V2-Flash: —

Multimodal benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Vision1278—
LMArena Document1425—

Multilingual Gemma 4 31B IT leads

Gemma 4 31B IT: 54.0 (#52), MiMo-V2-Flash: 51.1 (#109)

Multilingual benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Non-English14311391
LMArena Chinese14781463
LMArena French14361429
LMArena Russian14621387
LMArena Spanish14431420
LMArena German—1395
LMArena Japanese—1324
LMArena Korean—1358

Instruction Following Gemma 4 31B IT leads

Gemma 4 31B IT: 75.6 (#58), MiMo-V2-Flash: 73.7 (#115)

Instruction Following benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Instruction Following14331392

Long Context Gemma 4 31B IT leads

Gemma 4 31B IT: 44.2 (#67), MiMo-V2-Flash: 43.0 (#106)

Long Context benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Longer Query14461409

Writing & Preference Too close to call

Gemma 4 31B IT: 60.7 (#92), MiMo-V2-Flash: 59.9 (#101)

Writing & Preference benchmarks
BenchmarkGemma 4 31B ITMiMo-V2-Flash
LMArena Text14431411
LMArena Creative Writing14161375
LMArena Multi-Turn14521404
EQ-Bench Creative Writing1368—
EQ-Bench 41120—

Frequently asked questions

Is Gemma 4 31B IT better than MiMo-V2-Flash?

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 40.8 on the Noometry Index.

Which is cheaper, Gemma 4 31B IT or MiMo-V2-Flash?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; MiMo-V2-Flash lists at $0.14 and $0.28.

Is Gemma 4 31B IT or MiMo-V2-Flash better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 41.9 versus 35.8 in the Noometry coding category.

Which has the bigger context window?

Both accept 262K tokens.

How many benchmarks do Gemma 4 31B IT and MiMo-V2-Flash share?

18 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and MiMo-V2-Flash has 21.

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