Noometry

Model comparison

Claude Opus 4.1 vs MiMo-V2-Flash

Claude Opus 4.1 and MiMo-V2-Flash score almost the same on the Noometry Index (41.0 vs 41.3), so choose on price, context window or the category you care about most.

Last verified . 19 shared benchmarks.

Claude Opus 4.1 Anthropic

41.0

Rank #142 Confirmed

MiMo-V2-Flash Xiaomi

41.3

Rank #138 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Opus 4.1 scores higher in 7 categories and MiMo-V2-Flash in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where MiMo-V2-Flash leads 38.3 to 22.3.
  • MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $15 / $75 for Claude Opus 4.1.
  • MiMo-V2-Flash accepts more context: 262K tokens versus 200K.
  • MiMo-V2-Flash has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.1MiMo-V2-Flash
ProviderAnthropicXiaomi
Noometry Index41.041.3
Released2025-08-052025-12-16
WeightsProprietaryOpen
Context window200K262K
Max output32K66K
Input $ / M tokens$15$0.14
Output $ / M tokens$75$0.28
Results tracked4821

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Category by category

Coding Claude Opus 4.1 leads

Claude Opus 4.1: 44.4 (#73), MiMo-V2-Flash: 36.1 (#211)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena WebDev13901330
LMArena Coding14791443
ALE-Bench674.77737.95
SWE-bench Verified73.3%—
SciCode—25.9%
WeirdML45.9%—
AlgoTune1.34—

Agentic & Tool Use Not comparable

Claude Opus 4.1: 35.0 (#41), MiMo-V2-Flash: —

BenchmarkClaude Opus 4.1MiMo-V2-Flash
Terminal-Bench38%—
GDPval43.6%—
Cybench42%—
DeepResearch Bench48.3%—
LMArena Search1148—
METR Time Horizons66.8%—

Reasoning Claude Opus 4.1 leads

Claude Opus 4.1: 32.2 (#76), MiMo-V2-Flash: 24.9 (#157)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Hard Prompts14431420
SimpleBench60%—
CritPt—0%
Chess Puzzles7%—
EnigmaEval7.2%—
EBR-Bench7.9%—
Mystery Game Puzzles21%—
DTBench80%—
LMCA37.1%—
Epoch Capabilities Index144.12—
ForecastBench62—

Math MiMo-V2-Flash leads

Claude Opus 4.1: 22.3 (#277), MiMo-V2-Flash: 38.3 (#139)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Math14311396
FrontierMath (Tiers 1-3)12.6%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.9%—
FrontierMath (Feb 2025 set)7.2%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4.1 leads

Claude Opus 4.1: 42.0 (#101), MiMo-V2-Flash: 39.7 (#131)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Expert14391425
GPQA Diamond77.3%—
Humanity's Last Exam11.5%—
Confabulations17.1%—
Vectara Hallucination Rate11.8%—

Multimodal Not comparable

Claude Opus 4.1: 26.8 (#119), MiMo-V2-Flash: —

BenchmarkClaude Opus 4.1MiMo-V2-Flash
VPCT35%—

Multilingual Claude Opus 4.1 leads

Claude Opus 4.1: 52.0 (#95), MiMo-V2-Flash: 51.0 (#113)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Non-English14051392
LMArena Chinese14271462
LMArena French14311429
LMArena German14131395
LMArena Japanese13781325
LMArena Korean13801358
LMArena Russian14221387
LMArena Spanish14481420

Instruction Following Claude Opus 4.1 leads

Claude Opus 4.1: 75.6 (#58), MiMo-V2-Flash: 73.5 (#120)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Instruction Following14351392

Long Context Claude Opus 4.1 leads

Claude Opus 4.1: 44.5 (#63), MiMo-V2-Flash: 43.0 (#110)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Longer Query14551409

Writing & Preference Claude Opus 4.1 leads

Claude Opus 4.1: 62.4 (#74), MiMo-V2-Flash: 59.7 (#106)

BenchmarkClaude Opus 4.1MiMo-V2-Flash
LMArena Text14191411
LMArena Creative Writing14121375
LMArena Multi-Turn14441404
Short-Story Creative Writing84.7%—

Frequently asked questions

Is Claude Opus 4.1 better than MiMo-V2-Flash?

Claude Opus 4.1 and MiMo-V2-Flash score almost the same on the Noometry Index (41.0 vs 41.3), so choose on price, context window or the category you care about most.

Which is cheaper, Claude Opus 4.1 or MiMo-V2-Flash?

MiMo-V2-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Claude Opus 4.1 lists at $15 and $75.

Is Claude Opus 4.1 or MiMo-V2-Flash better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 36.1 in the Noometry coding category.

Which has the bigger context window?

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

How many benchmarks do Claude Opus 4.1 and MiMo-V2-Flash share?

19 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and MiMo-V2-Flash has 21.

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