Model comparison

Claude Opus 4 vs MiMo-V2-Omni

Claude Opus 4 and MiMo-V2-Omni score almost the same on the Noometry Index (43.1 vs 43.6), so choose on price, context window or the category you care about most.

Last verified . 18 shared benchmarks.

Claude Opus 4 Anthropic

43.1

Rank #100 Confirmed

MiMo-V2-Omni Xiaomi

43.6

Rank #88 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Claude Opus 4 scores higher in 4 categories and MiMo-V2-Omni in 5 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in multimodal, where MiMo-V2-Omni leads 38.6 to 31.5.
  • MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $15 / $75 for Claude Opus 4.
  • MiMo-V2-Omni accepts more context: 262K tokens versus 200K.

Side by side

Claude Opus 4 and MiMo-V2-Omni specifications
Claude Opus 4MiMo-V2-Omni
ProviderAnthropicXiaomi
Noometry Index43.143.6
Released2025-05-222026-03-18
WeightsProprietaryProprietary
Context window200K262K
Max output32K131K
Input $ / M tokens$15$0.14
Output $ / M tokens$75$0.28
Results tracked5618

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Category by category

Coding Claude Opus 4 leads

Claude Opus 4: 47.2 (#62), MiMo-V2-Omni: 43.3 (#89)

Coding benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Coding14421466
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
GSO6.9%—
WeirdML43.7%—
AlgoTune1.33—

Agentic & Tool Use Not comparable

Claude Opus 4: 34.8 (#42), MiMo-V2-Omni: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning MiMo-V2-Omni leads

Claude Opus 4: 27.3 (#121), MiMo-V2-Omni: 29.7 (#88)

Reasoning benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Hard Prompts13991445
ARC-AGI-28.6%—
SimpleBench58.8%—
Kagi LLM Benchmark74.3%—
ARC-AGI-135.7%—
CritPt0.3%—
EnigmaEval5.6%—
DTBench81.6%—
LMCA37.4%—
Epoch Capabilities Index142.67—
ForecastBench61.1—

Math Claude Opus 4 leads

Claude Opus 4: 42.0 (#86), MiMo-V2-Omni: 39.1 (#115)

Math benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Math13901430
OTIS Mock AIME 2024-202564.4%—
Omni-MATH61.6%—
MATH Level 585%—
FrontierMath (Feb 2025 set)4.5%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4 leads

Claude Opus 4: 44.0 (#88), MiMo-V2-Omni: 40.5 (#118)

Knowledge benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Expert13861449
GPQA Diamond76.3%—
Humanity's Last Exam10.7%—
MMLU-Pro87.5%—
Confabulations15.9%—
Vectara Hallucination Rate12%—
GPQA (HELM)70.8%—

Multimodal MiMo-V2-Omni leads

Claude Opus 4: 31.5 (#106), MiMo-V2-Omni: 38.6 (#63)

Multimodal benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Vision11921228
GeoBench49%—
VPCT38%—

Multilingual MiMo-V2-Omni leads

Claude Opus 4: 48.8 (#138), MiMo-V2-Omni: 51.8 (#102)

Multilingual benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Non-English13621404
LMArena Chinese13861465
LMArena French13721447
LMArena German13911399
LMArena Japanese13311317
LMArena Korean13211355
LMArena Russian13921412
LMArena Spanish13891434

Instruction Following Claude Opus 4 leads

Claude Opus 4: 77.1 (#28), MiMo-V2-Omni: 75.2 (#66)

Instruction Following benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Instruction Following14061428
IFEval91.8%—

Long Context MiMo-V2-Omni leads

Claude Opus 4: 39.6 (#172), MiMo-V2-Omni: 44.1 (#76)

Long Context benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Longer Query14221442
Fiction.LiveBench61.1%—

Writing & Preference Too close to call

Claude Opus 4: 61.2 (#89), MiMo-V2-Omni: 61.4 (#87)

Writing & Preference benchmarks
BenchmarkClaude Opus 4MiMo-V2-Omni
LMArena Text13771423
LMArena Creative Writing13871392
LMArena Multi-Turn13961445
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—

Frequently asked questions

Is Claude Opus 4 better than MiMo-V2-Omni?

Claude Opus 4 and MiMo-V2-Omni score almost the same on the Noometry Index (43.1 vs 43.6), so choose on price, context window or the category you care about most.

Which is cheaper, Claude Opus 4 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; Claude Opus 4 lists at $15 and $75.

Is Claude Opus 4 or MiMo-V2-Omni better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.2 versus 43.3 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2-Omni does, with 262K tokens against 200K.

How many benchmarks do Claude Opus 4 and MiMo-V2-Omni share?

18 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and MiMo-V2-Omni has 18.

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