Noometry

Model comparison

MiMo-V2.5-Pro vs MiMo-V2.6-Flash

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 45.2 on the Noometry Index.

Last verified . 18 shared benchmarks.

MiMo-V2.5-Pro Xiaomi

45.2

Rank #74 Confirmed

MiMo-V2.6-Flash Xiaomi

48.5

Rank #55 Confirmed

Summary

  • They share 18 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 5 categories and MiMo-V2.6-Flash in 3 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in math, where MiMo-V2.6-Flash leads 51.9 to 40.0.
  • The biggest single-benchmark swing is ProofBench: 22% for MiMo-V2.5-Pro and 63% for MiMo-V2.6-Flash.
  • MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.5-Pro.

Side by side

MiMo-V2.5-ProMiMo-V2.6-Flash
ProviderXiaomiXiaomi
Noometry Index45.248.5
Released2026-04-222026-09-21
WeightsOpenOpen
Context window1.05M1.05M
Max output131K131K
Input $ / M tokens$0.43$0.14
Output $ / M tokens$0.87$0.28
Results tracked2719

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Category by category

Coding MiMo-V2.6-Flash leads

MiMo-V2.5-Pro: 47.4 (#60), MiMo-V2.6-Flash: 53.4 (#30)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena WebDev14791637
SciCode50.2%51.3%
LMArena Coding15031504
ALE-Bench899.8—

Reasoning MiMo-V2.6-Flash leads

MiMo-V2.5-Pro: 26.8 (#130), MiMo-V2.6-Flash: 36.5 (#66)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
CritPt4%12%
LMArena Hard Prompts14881482
NYT Connections (extended)34.4%—
DTBench84.5%—
LMCA29.5%—

Math MiMo-V2.6-Flash leads

MiMo-V2.5-Pro: 40.0 (#96), MiMo-V2.6-Flash: 51.9 (#52)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
ProofBench22%63%
LMArena Math14811468

Knowledge Too close to call

MiMo-V2.5-Pro: 42.2 (#98), MiMo-V2.6-Flash: 42.2 (#99)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena Expert15031501

Multimodal Not comparable

MiMo-V2.5-Pro: —, MiMo-V2.6-Flash: 40.5 (#47)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena Vision—1259

Multilingual MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 55.1 (#34), MiMo-V2.6-Flash: 54.0 (#51)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena Non-English14491434
LMArena Chinese15071511
LMArena French14881475
LMArena Russian14501409
LMArena Spanish14711456
LMArena German1458—
LMArena Japanese1412—
LMArena Korean1437—

Instruction Following Too close to call

MiMo-V2.5-Pro: 77.5 (#21), MiMo-V2.6-Flash: 76.8 (#35)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena Instruction Following14771463

Long Context Too close to call

MiMo-V2.5-Pro: 45.4 (#37), MiMo-V2.6-Flash: 44.8 (#57)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena Longer Query14831463

Writing & Preference MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 65.3 (#49), MiMo-V2.6-Flash: 63.1 (#67)

BenchmarkMiMo-V2.5-ProMiMo-V2.6-Flash
LMArena Text14651455
LMArena Creative Writing14401400
LMArena Multi-Turn14771451
EQ-Bench Creative Writing1493—
EQ-Bench 41208—

Frequently asked questions

Is MiMo-V2.5-Pro better than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 45.2 on the Noometry Index.

Which is cheaper, MiMo-V2.5-Pro or MiMo-V2.6-Flash?

MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; MiMo-V2.5-Pro lists at $0.43 and $0.87.

Is MiMo-V2.5-Pro or MiMo-V2.6-Flash better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 47.4 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do MiMo-V2.5-Pro and MiMo-V2.6-Flash share?

18 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and MiMo-V2.6-Flash has 19.

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