Model comparison

MiMo-V2-Flash vs Mistral Medium 3.1

MiMo-V2-Flash is the stronger model overall, scoring 41.3 to 31.9 on the Noometry Index.

Last verified . 0 shared benchmarks.

MiMo-V2-Flash Xiaomi

41.3

Rank #138 Confirmed

Mistral Medium 3.1 Mistral AI

31.9

Rank #266 Reported

Summary

  • The widest gap is in reasoning, where MiMo-V2-Flash leads 24.9 to 10.6.
  • MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
  • MiMo-V2-Flash accepts more context: 262K tokens versus 131K.
  • MiMo-V2-Flash has downloadable open weights; the other is API-only.

Side by side

MiMo-V2-Flash and Mistral Medium 3.1 specifications
MiMo-V2-FlashMistral Medium 3.1
ProviderXiaomiMistral AI
Noometry Index41.331.9
Released2025-12-16—
WeightsOpenProprietary
Context window262K131K
Max output66K105K
Input $ / M tokens$0.14$0.40
Output $ / M tokens$0.28$2
Results tracked213

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Category by category

Coding Not comparable

MiMo-V2-Flash: 36.1 (#211), Mistral Medium 3.1: —

Coding benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena WebDev1330—
SciCode25.9%—
LMArena Coding1443—
ALE-Bench737.95—

Reasoning MiMo-V2-Flash leads

MiMo-V2-Flash: 24.9 (#157), Mistral Medium 3.1: 10.6 (#341)

Reasoning benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
NYT Connections (extended)—6.5%
CritPt0%—
Thematic Generalization—20.3%
LMArena Hard Prompts1420—

Math Not comparable

MiMo-V2-Flash: 38.3 (#139), Mistral Medium 3.1: —

Math benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena Math1396—

Knowledge Not comparable

MiMo-V2-Flash: 39.7 (#131), Mistral Medium 3.1: —

Knowledge benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena Expert1425—

Multilingual Not comparable

MiMo-V2-Flash: 51.0 (#113), Mistral Medium 3.1: —

Multilingual benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena Non-English1392—
LMArena Chinese1462—
LMArena French1429—
LMArena German1395—
LMArena Japanese1325—
LMArena Korean1358—
LMArena Russian1387—
LMArena Spanish1420—

Instruction Following Not comparable

MiMo-V2-Flash: 73.5 (#120), Mistral Medium 3.1: —

Instruction Following benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena Instruction Following1392—

Long Context Not comparable

MiMo-V2-Flash: 43.0 (#110), Mistral Medium 3.1: —

Long Context benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena Longer Query1409—

Writing & Preference MiMo-V2-Flash leads

MiMo-V2-Flash: 59.7 (#106), Mistral Medium 3.1: 55.5 (#145)

Writing & Preference benchmarks
BenchmarkMiMo-V2-FlashMistral Medium 3.1
LMArena Text1411—
LMArena Creative Writing1375—
EQ-Bench Creative Writing—1476
LMArena Multi-Turn1404—

Frequently asked questions

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

MiMo-V2-Flash is the stronger model overall, scoring 41.3 to 31.9 on the Noometry Index.

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

MiMo-V2-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-Flash does, with 262K tokens against 131K.

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

0 benchmarks have published results for both models. MiMo-V2-Flash has 21 scored results on Noometry and Mistral Medium 3.1 has 3.

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