Noometry

Model comparison

Gemma 4 31B IT vs MiMo-V2-Omni

Gemma 4 31B IT and MiMo-V2-Omni score almost the same on the Noometry Index (43.5 vs 43.6), so choose on price, context window or the category you care about most.

Last verified . 15 shared benchmarks.

Gemma 4 31B IT Google

43.5

Rank #90 Confirmed

MiMo-V2-Omni Xiaomi

43.6

Rank #88 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Gemma 4 31B IT scores higher in 5 categories and MiMo-V2-Omni in 4 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemma 4 31B IT leads 43.2 to 39.1.
  • Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.14 / $0.28 for MiMo-V2-Omni.
  • Gemma 4 31B IT has downloadable open weights; the other is API-only.

Side by side

Gemma 4 31B ITMiMo-V2-Omni
ProviderGoogleXiaomi
Noometry Index43.543.6
Released2026-04-022026-03-18
WeightsOpenProprietary
Context window262K262K
Max output33K131K
Input $ / M tokens$0.09$0.14
Output $ / M tokens$0.34$0.28
Results tracked3518

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Category by category

Coding MiMo-V2-Omni leads

Gemma 4 31B IT: 42.3 (#108), MiMo-V2-Omni: 43.3 (#89)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Coding14591466
LMArena WebDev1366—
SciCode43.4%—
WeirdML52.3%—
ALE-Bench925.5—

Reasoning MiMo-V2-Omni leads

Gemma 4 31B IT: 27.2 (#122), MiMo-V2-Omni: 29.7 (#88)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Hard Prompts14481445
Kagi LLM Benchmark63.5%—
NYT Connections (extended)70.6%—
CritPt1.4%—
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: 43.2 (#81), MiMo-V2-Omni: 39.1 (#115)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Math14651430
OTIS Mock AIME 2024-202573.3%—

Knowledge MiMo-V2-Omni leads

Gemma 4 31B IT: 37.9 (#151), MiMo-V2-Omni: 40.5 (#118)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Expert14651449
GPQA Diamond75.8%—
SimpleQA Verified10.4%—
Vectara Hallucination Rate7.4%—

Multimodal Gemma 4 31B IT leads

Gemma 4 31B IT: 41.6 (#34), MiMo-V2-Omni: 38.6 (#63)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Vision12771228
LMArena Document1425—

Multilingual Gemma 4 31B IT leads

Gemma 4 31B IT: 53.8 (#57), MiMo-V2-Omni: 51.8 (#102)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Non-English14311404
LMArena Chinese14761465
LMArena French14351447
LMArena Russian14601412
LMArena Spanish14441434
LMArena German—1399
LMArena Japanese—1317
LMArena Korean—1355

Instruction Following Too close to call

Gemma 4 31B IT: 75.5 (#61), MiMo-V2-Omni: 75.2 (#66)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Instruction Following14331428

Long Context Too close to call

Gemma 4 31B IT: 44.2 (#71), MiMo-V2-Omni: 44.1 (#76)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Longer Query14461442

Writing & Preference Too close to call

Gemma 4 31B IT: 60.5 (#96), MiMo-V2-Omni: 61.4 (#87)

BenchmarkGemma 4 31B ITMiMo-V2-Omni
LMArena Text14431423
LMArena Creative Writing14151392
LMArena Multi-Turn14521445
EQ-Bench Creative Writing1368—
EQ-Bench 41120—

Frequently asked questions

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

Gemma 4 31B IT and MiMo-V2-Omni score almost the same on the Noometry Index (43.5 vs 43.6), so choose on price, context window or the category you care about most.

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

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

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

MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 42.3 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-Omni share?

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

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