Model comparison

MiMo-V2.6-Flash vs Mistral Medium 3.1

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 31.9 on the Noometry Index.

Last verified . 0 shared benchmarks.

MiMo-V2.6-Flash Xiaomi

48.5

Rank #55 Confirmed

Mistral Medium 3.1 Mistral AI

31.9

Rank #266 Reported

Summary

  • The widest gap is in reasoning, where MiMo-V2.6-Flash leads 36.5 to 10.6.
  • MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
  • MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 131K.
  • MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

Side by side

MiMo-V2.6-Flash and Mistral Medium 3.1 specifications
MiMo-V2.6-FlashMistral Medium 3.1
ProviderXiaomiMistral AI
Noometry Index48.531.9
Released2026-09-21—
WeightsOpenProprietary
Context window1.05M131K
Max output131K105K
Input $ / M tokens$0.14$0.40
Output $ / M tokens$0.28$2
Results tracked193

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Category by category

Coding Not comparable

MiMo-V2.6-Flash: 53.4 (#30), Mistral Medium 3.1: —

Coding benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena WebDev1637—
SciCode51.3%—
LMArena Coding1504—

Reasoning MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 36.5 (#66), Mistral Medium 3.1: 10.6 (#341)

Reasoning benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
NYT Connections (extended)—6.5%
CritPt12%—
Thematic Generalization—20.3%
LMArena Hard Prompts1482—

Math Not comparable

MiMo-V2.6-Flash: 51.9 (#52), Mistral Medium 3.1: —

Math benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
ProofBench63%—
LMArena Math1468—

Knowledge Not comparable

MiMo-V2.6-Flash: 42.2 (#99), Mistral Medium 3.1: —

Knowledge benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena Expert1501—

Multimodal Not comparable

MiMo-V2.6-Flash: 40.5 (#47), Mistral Medium 3.1: —

Multimodal benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena Vision1259—

Multilingual Not comparable

MiMo-V2.6-Flash: 54.0 (#51), Mistral Medium 3.1: —

Multilingual benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena Non-English1434—
LMArena Chinese1511—
LMArena French1475—
LMArena Russian1409—
LMArena Spanish1456—

Instruction Following Not comparable

MiMo-V2.6-Flash: 76.8 (#35), Mistral Medium 3.1: —

Instruction Following benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena Instruction Following1463—

Long Context Not comparable

MiMo-V2.6-Flash: 44.8 (#57), Mistral Medium 3.1: —

Long Context benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena Longer Query1463—

Writing & Preference MiMo-V2.6-Flash leads

MiMo-V2.6-Flash: 63.1 (#67), Mistral Medium 3.1: 55.5 (#145)

Writing & Preference benchmarks
BenchmarkMiMo-V2.6-FlashMistral Medium 3.1
LMArena Text1455—
LMArena Creative Writing1400—
EQ-Bench Creative Writing—1476
LMArena Multi-Turn1451—

Frequently asked questions

Is MiMo-V2.6-Flash better than Mistral Medium 3.1?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 31.9 on the Noometry Index.

Which is cheaper, MiMo-V2.6-Flash or Mistral Medium 3.1?

MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Mistral Medium 3.1 lists at $0.40 and $2.

Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 131K.

How many benchmarks do MiMo-V2.6-Flash and Mistral Medium 3.1 share?

0 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Mistral Medium 3.1 has 3.

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