Noometry

Model comparison

MiMo-V2-Flash vs Muse Spark 1.2

Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 41.3 on the Noometry Index. MiMo-V2-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

MiMo-V2-Flash Xiaomi

41.3

Rank #138 Confirmed

Muse Spark 1.2 Meta

50.3

Rank #48 Confirmed

Summary

  • They share 17 benchmarks with published results for both. MiMo-V2-Flash scores higher in 0 categories and Muse Spark 1.2 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 24.9.
  • The biggest single-benchmark swing is SciCode: 25.9% for MiMo-V2-Flash and 56.4% for Muse Spark 1.2.
  • MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
  • Muse Spark 1.2 accepts more context: 1.05M tokens versus 262K.
  • MiMo-V2-Flash has downloadable open weights; the other is API-only.

Side by side

MiMo-V2-FlashMuse Spark 1.2
ProviderXiaomiMeta
Noometry Index41.350.3
Released2025-12-162026-08-05
WeightsOpenProprietary
Context window262K1.05M
Max output66K131K
Input $ / M tokens$0.14$1.25
Output $ / M tokens$0.28$4.25
Results tracked2131

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Category by category

Coding Muse Spark 1.2 leads

MiMo-V2-Flash: 36.1 (#211), Muse Spark 1.2: 49.2 (#51)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena WebDev13301533
SciCode25.9%56.4%
LMArena Coding14431495
DeepSWE—54.9%
FrontierSWE—12%
WeirdML—60.3%
ALE-Bench737.95—

Agentic & Tool Use Not comparable

MiMo-V2-Flash: —, Muse Spark 1.2: 29.4 (#87)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
APEX-Agents—36.4%
GDP.pdf—16%

Reasoning Muse Spark 1.2 leads

MiMo-V2-Flash: 24.9 (#157), Muse Spark 1.2: 51.3 (#34)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
CritPt0%17.7%
LMArena Hard Prompts14201486
SimpleBench—74.5%
NYT Connections (extended)—79.2%
DTBench—94.7%
LMCA—48.4%
Epoch Capabilities Index—154.87

Math Muse Spark 1.2 leads

MiMo-V2-Flash: 38.3 (#139), Muse Spark 1.2: 46.4 (#70)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Math13961471
ProofBench—43%

Knowledge Muse Spark 1.2 leads

MiMo-V2-Flash: 39.7 (#131), Muse Spark 1.2: 54.1 (#53)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Expert14251480
SimpleQA Verified—60.3%

Multimodal Not comparable

MiMo-V2-Flash: —, Muse Spark 1.2: 43.4 (#25)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Vision—1305

Multilingual Muse Spark 1.2 leads

MiMo-V2-Flash: 51.0 (#113), Muse Spark 1.2: 57.1 (#11)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Non-English13921478
LMArena Chinese14621511
LMArena French14291513
LMArena Russian13871487
LMArena Spanish14201498
LMArena German1395—
LMArena Japanese1325—
LMArena Korean1358—

Instruction Following Muse Spark 1.2 leads

MiMo-V2-Flash: 73.5 (#120), Muse Spark 1.2: 76.7 (#36)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Instruction Following13921461

Long Context Muse Spark 1.2 leads

MiMo-V2-Flash: 43.0 (#110), Muse Spark 1.2: 45.2 (#48)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Longer Query14091475

Writing & Preference Muse Spark 1.2 leads

MiMo-V2-Flash: 59.7 (#106), Muse Spark 1.2: 72.3 (#14)

BenchmarkMiMo-V2-FlashMuse Spark 1.2
LMArena Text14111482
LMArena Creative Writing13751449
LMArena Multi-Turn14041494
EQ-Bench Creative Writing—1840

Frequently asked questions

Is MiMo-V2-Flash better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 41.3 on the Noometry Index. MiMo-V2-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

Which is cheaper, MiMo-V2-Flash or Muse Spark 1.2?

MiMo-V2-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

Is MiMo-V2-Flash or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 36.1 in the Noometry coding category.

Which has the bigger context window?

Muse Spark 1.2 does, with 1.05M tokens against 262K.

How many benchmarks do MiMo-V2-Flash and Muse Spark 1.2 share?

17 benchmarks have published results for both models. MiMo-V2-Flash has 21 scored results on Noometry and Muse Spark 1.2 has 31.

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