Model comparison

MiMo-V2.6-Flash vs Mistral Medium 3.5

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 40.2 on the Noometry Index.

Last verified . 16 shared benchmarks.

MiMo-V2.6-Flash Xiaomi

48.5

Rank #55 Confirmed

Mistral Medium 3.5 Mistral AI

40.2

Rank #152 Confirmed

Summary

  • They share 16 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 9 categories and Mistral Medium 3.5 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where MiMo-V2.6-Flash leads 36.5 to 17.3.
  • MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.
  • MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 262K.

Side by side

MiMo-V2.6-Flash and Mistral Medium 3.5 specifications
MiMo-V2.6-FlashMistral Medium 3.5
ProviderXiaomiMistral AI
Noometry Index48.540.2
Released2026-09-21—
WeightsOpenOpen
Context window1.05M262K
Max output131K210K
Input $ / M tokens$0.14$1.50
Output $ / M tokens$0.28$7.50
Results tracked1922

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Category by category

Coding MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 53.4 (#30), Mistral Medium 3.5: 36.0 (#213)

Coding benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena WebDev16371264
LMArena Coding15041461
SciCode51.3%—

Reasoning MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 36.5 (#66), Mistral Medium 3.5: 17.3 (#295)

Reasoning benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Hard Prompts14821436
Kagi LLM Benchmark—41.4%
NYT Connections (extended)—12.9%
CritPt12%—
Epoch Capabilities Index—141.35

Math MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 51.9 (#52), Mistral Medium 3.5: 39.1 (#113)

Math benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Math14681431
ProofBench63%—

Knowledge MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 42.2 (#99), Mistral Medium 3.5: 40.0 (#126)

Knowledge benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Expert15011432

Multimodal MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 40.5 (#47), Mistral Medium 3.5: 38.3 (#65)

Multimodal benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Vision12591223

Multilingual MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 54.0 (#51), Mistral Medium 3.5: 51.9 (#100)

Multilingual benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Non-English14341404
LMArena Chinese15111442
LMArena French14751448
LMArena Russian14091395
LMArena Spanish14561409
LMArena German—1451
LMArena Korean—1385

Instruction Following MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 76.8 (#35), Mistral Medium 3.5: 74.6 (#90)

Instruction Following benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Instruction Following14631415

Long Context MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 44.8 (#57), Mistral Medium 3.5: 43.2 (#103)

Long Context benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Longer Query14631415

Writing & Preference MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 63.1 (#67), Mistral Medium 3.5: 58.5 (#117)

Writing & Preference benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.5
LMArena Text14551421
LMArena Creative Writing14001374
LMArena Multi-Turn14511423
EQ-Bench 4—993

Frequently asked questions

Is MiMo-V2.6-Flash better than Mistral Medium 3.5?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 40.2 on the Noometry Index.

Which is cheaper, MiMo-V2.6-Flash or Mistral Medium 3.5?

MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

Is MiMo-V2.6-Flash or Mistral Medium 3.5 better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 36.0 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 262K.

How many benchmarks do MiMo-V2.6-Flash and Mistral Medium 3.5 share?

16 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Mistral Medium 3.5 has 22.

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