Noometry

Model comparison

GPT-4.1 mini vs MiMo-V2-Omni

MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 33.6 on the Noometry Index.

Last verified . 18 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

MiMo-V2-Omni Xiaomi

43.6

Rank #88 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-4.1 mini scores higher in 0 categories and MiMo-V2-Omni in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where MiMo-V2-Omni leads 29.7 to 10.8.
  • MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.40 / $1.60 for GPT-4.1 mini.
  • GPT-4.1 mini accepts more context: 1.05M tokens versus 262K.

Side by side

GPT-4.1 miniMiMo-V2-Omni
ProviderOpenAIXiaomi
Noometry Index33.643.6
Released2025-04-142026-03-18
WeightsProprietaryProprietary
Context window1.05M262K
Max output33K131K
Input $ / M tokens$0.40$0.14
Output $ / M tokens$1.60$0.28
Results tracked4718

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Category by category

Coding MiMo-V2-Omni leads

GPT-4.1 mini: 30.6 (#293), MiMo-V2-Omni: 43.3 (#89)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Coding13671466
SWE-bench Verified (bash only)23.9%—
Aider Polyglot32.4%—
SciCode40.4%—
WeirdML37.6%—
BigCodeBench Instruct48.9%—
CadEval16%—

Agentic & Tool Use Not comparable

GPT-4.1 mini: 33.3 (#55), MiMo-V2-Omni: —

BenchmarkGPT-4.1 miniMiMo-V2-Omni
Berkeley Function Calling Leaderboard50.5%—

Reasoning MiMo-V2-Omni leads

GPT-4.1 mini: 10.8 (#340), MiMo-V2-Omni: 29.7 (#88)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Hard Prompts13491445
ARC-AGI-20%—
Kagi LLM Benchmark48.6%—
ARC-AGI-13.5%—
CritPt0%—
Chess Puzzles7%—
Mystery Game Puzzles7%—
DTBench68.8%—
LMCA21.1%—
Epoch Capabilities Index135.01—

Math MiMo-V2-Omni leads

GPT-4.1 mini: 24.1 (#270), MiMo-V2-Omni: 39.1 (#115)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Math13431430
FrontierMath (Tiers 1-3)6.7%—
OTIS Mock AIME 2024-202544.7%—
Omni-MATH49.1%—
MATH Level 587.3%—
FrontierMath (Feb 2025 set)4.5%—

Knowledge MiMo-V2-Omni leads

GPT-4.1 mini: 34.7 (#194), MiMo-V2-Omni: 40.5 (#118)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Expert13381449
GPQA Diamond65.8%—
SimpleQA Verified12.7%—
MMLU-Pro78.3%—
GPQA (HELM)61.4%—

Multimodal MiMo-V2-Omni leads

GPT-4.1 mini: 35.8 (#82), MiMo-V2-Omni: 38.6 (#63)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Vision11811228

Multilingual MiMo-V2-Omni leads

GPT-4.1 mini: 45.7 (#166), MiMo-V2-Omni: 51.8 (#102)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Non-English13181404
LMArena Chinese13291465
LMArena French13581447
LMArena German13511399
LMArena Japanese12901317
LMArena Korean12981355
LMArena Russian13241412
LMArena Spanish13191434

Instruction Following MiMo-V2-Omni leads

GPT-4.1 mini: 73.7 (#118), MiMo-V2-Omni: 75.2 (#66)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Instruction Following13331428
IFEval90.4%—

Long Context MiMo-V2-Omni leads

GPT-4.1 mini: 31.8 (#275), MiMo-V2-Omni: 44.1 (#76)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Longer Query13441442
Fiction.LiveBench44.4%—

Writing & Preference MiMo-V2-Omni leads

GPT-4.1 mini: 48.6 (#199), MiMo-V2-Omni: 61.4 (#87)

BenchmarkGPT-4.1 miniMiMo-V2-Omni
LMArena Text13401423
LMArena Creative Writing13001392
LMArena Multi-Turn13541445
EQ-Bench Creative Writing1147—
WildBench83.8%—

Frequently asked questions

Is GPT-4.1 mini better than MiMo-V2-Omni?

MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 33.6 on the Noometry Index.

Which is cheaper, GPT-4.1 mini 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; GPT-4.1 mini lists at $0.40 and $1.60.

Is GPT-4.1 mini or MiMo-V2-Omni better for coding?

MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 262K.

How many benchmarks do GPT-4.1 mini and MiMo-V2-Omni share?

18 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and MiMo-V2-Omni has 18.

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