Noometry

Model comparison

MiMo-V2.6-Pro vs Mistral Small 3.1

MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 31.7 on the Noometry Index.

Last verified . 13 shared benchmarks.

MiMo-V2.6-Pro Xiaomi

50.3

Rank #49 Confirmed

Mistral Small 3.1 Mistral AI

31.7

Rank #269 Confirmed

Summary

  • They share 13 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 9 categories and Mistral Small 3.1 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where MiMo-V2.6-Pro leads 54.5 to 14.7.
  • Mistral Small 3.1 is cheaper at $0.35 / $0.56 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.6-Pro.
  • MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 128K.

Side by side

MiMo-V2.6-ProMistral Small 3.1
ProviderXiaomiMistral AI
Noometry Index50.331.7
Released2026-09-212025-03-17
WeightsOpenOpen
Context window1.05M128K
Max output131K102K
Input $ / M tokens$0.43$0.35
Output $ / M tokens$0.87$0.56
Results tracked1928

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Category by category

Coding MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 55.5 (#23), Mistral Small 3.1: 38.3 (#179)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Coding15341309
LMArena WebDev1629—
SciCode60.9%—
ALE-Bench1,158—

Agentic & Tool Use Not comparable

MiMo-V2.6-Pro: 37.5 (#35), Mistral Small 3.1: —

BenchmarkMiMo-V2.6-ProMistral Small 3.1
APEX-Agents59.5%—

Reasoning MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 43.1 (#50), Mistral Small 3.1: 19.7 (#254)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Hard Prompts15121278
CritPt26.6%—
Chess Puzzles—1%
Epoch Capabilities Index—127.48

Math MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 54.5 (#45), Mistral Small 3.1: 14.7 (#301)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Math14941262
OTIS Mock AIME 2024-2025—3.9%
ProofBench70%—
Omni-MATH—24.8%

Knowledge MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 43.5 (#92), Mistral Small 3.1: 22.6 (#271)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Expert15431257
GPQA Diamond—41.9%
MMLU-Pro—61%
GPQA (HELM)—39.2%

Multimodal MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 40.8 (#43), Mistral Small 3.1: 33.2 (#99)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Vision12641136

Multilingual MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 56.9 (#14), Mistral Small 3.1: 41.2 (#209)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Non-English14741255
LMArena Chinese15291253
LMArena Russian14801263
LMArena French—1273
LMArena German—1266
LMArena Japanese—1208
LMArena Korean—1206
LMArena Spanish—1283

Instruction Following MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 78.2 (#12), Mistral Small 3.1: 63.6 (#230)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Instruction Following14931264
IFEval—75%

Long Context MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 46.0 (#27), Mistral Small 3.1: 39.5 (#178)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Longer Query15011299

Writing & Preference MiMo-V2.6-Pro leads

MiMo-V2.6-Pro: 66.8 (#33), Mistral Small 3.1: 37.0 (#259)

BenchmarkMiMo-V2.6-ProMistral Small 3.1
LMArena Text14921277
LMArena Creative Writing14681253
LMArena Multi-Turn14641270
EQ-Bench Creative Writing—761
WildBench—78.8%

Frequently asked questions

Is MiMo-V2.6-Pro better than Mistral Small 3.1?

MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 31.7 on the Noometry Index.

Which is cheaper, MiMo-V2.6-Pro or Mistral Small 3.1?

Mistral Small 3.1 is cheaper. It lists at $0.35 per million input tokens and $0.56 per million output tokens; MiMo-V2.6-Pro lists at $0.43 and $0.87.

Is MiMo-V2.6-Pro or Mistral Small 3.1 better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 38.3 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2.6-Pro does, with 1.05M tokens against 128K.

How many benchmarks do MiMo-V2.6-Pro and Mistral Small 3.1 share?

13 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Mistral Small 3.1 has 28.

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