Model comparison

MiMo-V2-Flash vs Muse Spark 1.3

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 41.3 on the Noometry Index. MiMo-V2-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.

Last verified . 20 shared benchmarks.

MiMo-V2-Flash Xiaomi

41.3

Rank #138 Confirmed

Muse Spark 1.3 Meta

54.8

Rank #27 Confirmed

Summary

  • They share 20 benchmarks with published results for both. MiMo-V2-Flash scores higher in 0 categories and Muse Spark 1.3 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 38.3.
  • The biggest single-benchmark swing is SciCode: 25.9% for MiMo-V2-Flash and 59.7% for Muse Spark 1.3.
  • MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
  • Muse Spark 1.3 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-Flash and Muse Spark 1.3 specifications
MiMo-V2-FlashMuse Spark 1.3
ProviderXiaomiMeta
Noometry Index41.354.8
Released2025-12-162026-09-02
WeightsOpenProprietary
Context window262K1.05M
Max output66K131K
Input $ / M tokens$0.14$1.25
Output $ / M tokens$0.28$4.25
Results tracked2137

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Muse Spark 1.3 leads

MiMo-V2-Flash: 36.1 (#211), Muse Spark 1.3: 56.6 (#21)

Coding benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena WebDev13301657
SciCode25.9%59.7%
LMArena Coding14431514
CursorBench—41.6%
ALE-Bench737.95—

Agentic & Tool Use Not comparable

MiMo-V2-Flash: —, Muse Spark 1.3: 38.6 (#30)

Agentic & Tool Use benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
APEX-Agents—57.8%
GDP.pdf—27.6%

Reasoning Muse Spark 1.3 leads

MiMo-V2-Flash: 24.9 (#157), Muse Spark 1.3: 54.0 (#27)

Reasoning benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
CritPt0%26%
LMArena Hard Prompts14201503
NYT Connections (extended)—85.1%
Chess Puzzles—38%
Mystery Game Puzzles—25%
DTBench—96.5%
LMCA—53.9%
Bench to the Future 3—0.14
Epoch Capabilities Index—156.75

Math Muse Spark 1.3 leads

MiMo-V2-Flash: 38.3 (#139), Muse Spark 1.3: 73.1 (#21)

Math benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Math13961494
FrontierMath (Tiers 1-3)—74.4%
FrontierMath Tier 4—46.3%
OTIS Mock AIME 2024-2025—99.2%
ProofBench—58%

Knowledge Muse Spark 1.3 leads

MiMo-V2-Flash: 39.7 (#131), Muse Spark 1.3: 42.6 (#95)

Knowledge benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Expert14251516

Multimodal Not comparable

MiMo-V2-Flash: —, Muse Spark 1.3: 43.7 (#22)

Multimodal benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Vision—1309
LMArena Document—1471

Multilingual Muse Spark 1.3 leads

MiMo-V2-Flash: 51.0 (#113), Muse Spark 1.3: 57.4 (#8)

Multilingual benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Non-English13921481
LMArena Chinese14621529
LMArena French14291524
LMArena German13951515
LMArena Japanese13251474
LMArena Korean13581501
LMArena Russian13871490
LMArena Spanish14201490

Instruction Following Muse Spark 1.3 leads

MiMo-V2-Flash: 73.5 (#120), Muse Spark 1.3: 77.5 (#22)

Instruction Following benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Instruction Following13921477

Long Context Muse Spark 1.3 leads

MiMo-V2-Flash: 43.0 (#110), Muse Spark 1.3: 45.6 (#32)

Long Context benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Longer Query14091488

Writing & Preference Muse Spark 1.3 leads

MiMo-V2-Flash: 59.7 (#106), Muse Spark 1.3: 73.6 (#9)

Writing & Preference benchmarks
BenchmarkMiMo-V2-FlashMuse Spark 1.3
LMArena Text14111490
LMArena Creative Writing13751455
LMArena Multi-Turn14041482
EQ-Bench Creative Writing—1906

Frequently asked questions

Is MiMo-V2-Flash better than Muse Spark 1.3?

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 41.3 on the Noometry Index. MiMo-V2-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.

Which is cheaper, MiMo-V2-Flash or Muse Spark 1.3?

MiMo-V2-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.

Is MiMo-V2-Flash or Muse Spark 1.3 better for coding?

Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 36.1 in the Noometry coding category.

Which has the bigger context window?

Muse Spark 1.3 does, with 1.05M tokens against 262K.

How many benchmarks do MiMo-V2-Flash and Muse Spark 1.3 share?

20 benchmarks have published results for both models. MiMo-V2-Flash has 21 scored results on Noometry and Muse Spark 1.3 has 37.

Related comparisons

Go deeper