Model comparison

GLM-4.5 vs MiMo-V2-Omni

MiMo-V2-Omni is the stronger model overall, scoring 42.9 to 41.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

GLM-4.5 Z.ai (Zhipu)

41.4

Rank #125 Confirmed

MiMo-V2-Omni Xiaomi

42.9

Rank #91 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GLM-4.5 scores higher in 1 category and MiMo-V2-Omni in 7 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in long context, where MiMo-V2-Omni leads 44.1 to 38.2.
  • MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.60 / $2.20 for GLM-4.5.
  • MiMo-V2-Omni accepts more context: 262K tokens versus 131K.
  • GLM-4.5 has downloadable open weights; the other is API-only.

Side by side

GLM-4.5 and MiMo-V2-Omni specifications
GLM-4.5MiMo-V2-Omni
ProviderZ.ai (Zhipu)Xiaomi
Noometry Index41.442.9
Released2025-07-272026-03-18
WeightsOpenProprietary
Context window131K262K
Max output98K131K
Input $ / M tokens$0.60$0.14
Output $ / M tokens$2.20$0.28
Results tracked2718

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Category by category

Coding MiMo-V2-Omni leads

GLM-4.5: 41.1 (#121), MiMo-V2-Omni: 42.7 (#87)

Coding benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Coding14341467
SWE-bench Verified (bash only)54.2%—
WeirdML40.6%—
ALE-Bench344.82—
AlgoTune1.52—

Reasoning Too close to call

GLM-4.5: 27.7 (#99), MiMo-V2-Omni: 28.6 (#86)

Reasoning benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Hard Prompts14301445
Kagi LLM Benchmark57.9%—

Math Too close to call

GLM-4.5: 36.3 (#119), MiMo-V2-Omni: 36.4 (#112)

Math benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Math14271432

Knowledge MiMo-V2-Omni leads

GLM-4.5: 35.5 (#172), MiMo-V2-Omni: 39.9 (#114)

Knowledge benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Expert14331449
Humanity's Last Exam8.3%—
Confabulations11.3%—

Multimodal Not comparable

GLM-4.5: —, MiMo-V2-Omni: 37.9 (#62)

Multimodal benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Vision—1228

Multilingual Too close to call

GLM-4.5: 53.0 (#74), MiMo-V2-Omni: 52.0 (#97)

Multilingual benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Non-English14171404
LMArena Chinese14651469
LMArena French14231448
LMArena German14061398
LMArena Japanese14161318
LMArena Korean13821355
LMArena Russian14141412
LMArena Spanish14541432

Instruction Following MiMo-V2-Omni leads

GLM-4.5: 74.3 (#100), MiMo-V2-Omni: 75.4 (#62)

Instruction Following benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Instruction Following14051428

Long Context MiMo-V2-Omni leads

GLM-4.5: 38.2 (#196), MiMo-V2-Omni: 44.1 (#72)

Long Context benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Longer Query14131442
Fiction.LiveBench58.3%—

Writing & Preference MiMo-V2-Omni leads

GLM-4.5: 57.7 (#121), MiMo-V2-Omni: 61.6 (#83)

Writing & Preference benchmarks
BenchmarkGLM-4.5MiMo-V2-Omni
LMArena Text14301424
LMArena Creative Writing13951393
LMArena Multi-Turn14151446
Short-Story Creative Writing73.4%—
EQ-Bench Creative Writing1343—

Frequently asked questions

Is GLM-4.5 better than MiMo-V2-Omni?

MiMo-V2-Omni is the stronger model overall, scoring 42.9 to 41.4 on the Noometry Index.

Which is cheaper, GLM-4.5 or MiMo-V2-Omni?

MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; GLM-4.5 lists at $0.60 and $2.20.

Is GLM-4.5 or MiMo-V2-Omni better for coding?

MiMo-V2-Omni scores higher on coding benchmarks: 42.7 versus 41.1 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2-Omni does, with 262K tokens against 131K.

How many benchmarks do GLM-4.5 and MiMo-V2-Omni share?

17 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and MiMo-V2-Omni has 18.

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