Noometry

Model comparison

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

MiMo-V2.5-Pro is the stronger model overall, scoring 44.8 to 40.8 on the Noometry Index. MiMo-V2-Flash costs 3.1× less per token, which makes it the better buy when MiMo-V2.5-Pro's lead doesn't matter for your workload.

Last verified . 21 shared benchmarks.

MiMo-V2.5-Pro Xiaomi

44.8

Rank #70 Confirmed

MiMo-V2-Flash Xiaomi

40.8

Rank #137 Confirmed

Summary

  • They share 21 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 8 categories and MiMo-V2-Flash in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in coding, where MiMo-V2.5-Pro leads 47.0 to 35.8.
  • The biggest single-benchmark swing is SciCode: 50.2% for MiMo-V2.5-Pro and 25.9% for MiMo-V2-Flash.
  • MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.5-Pro.
  • MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 262K.

Side by side

MiMo-V2.5-ProMiMo-V2-Flash
ProviderXiaomiXiaomi
Noometry Index44.840.8
Released2026-04-222025-12-16
WeightsOpenOpen
Context window1.05M262K
Max output131K66K
Input $ / M tokens$0.43$0.14
Output $ / M tokens$0.87$0.28
Results tracked2721

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Category by category

Coding MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 47.0 (#58), MiMo-V2-Flash: 35.8 (#205)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena WebDev14771330
SciCode50.2%25.9%
LMArena Coding15021443
ALE-Bench899.8737.95

Reasoning MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 25.9 (#124), MiMo-V2-Flash: 24.1 (#155)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
CritPt4%0%
LMArena Hard Prompts14871420
NYT Connections (extended)34.4%—
DTBench84.5%—
LMCA29.5%—

Math MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 38.6 (#84), MiMo-V2-Flash: 35.6 (#141)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena Math14801396
ProofBench22%—

Knowledge MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 41.5 (#100), MiMo-V2-Flash: 39.1 (#126)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena Expert15011425

Multilingual MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 55.3 (#33), MiMo-V2-Flash: 51.1 (#109)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena Non-English14491391
LMArena Chinese15071463
LMArena French14891429
LMArena German14551395
LMArena Japanese14181324
LMArena Korean14361358
LMArena Russian14501387
LMArena Spanish14701420

Instruction Following MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 77.6 (#21), MiMo-V2-Flash: 73.7 (#115)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena Instruction Following14771392

Long Context MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 45.4 (#38), MiMo-V2-Flash: 43.0 (#106)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena Longer Query14821409

Writing & Preference MiMo-V2.5-Pro leads

MiMo-V2.5-Pro: 65.5 (#47), MiMo-V2-Flash: 59.9 (#101)

BenchmarkMiMo-V2.5-ProMiMo-V2-Flash
LMArena Text14651411
LMArena Creative Writing14401375
LMArena Multi-Turn14771404
EQ-Bench Creative Writing1493—
EQ-Bench 41208—

Frequently asked questions

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

MiMo-V2.5-Pro is the stronger model overall, scoring 44.8 to 40.8 on the Noometry Index. MiMo-V2-Flash costs 3.1× less per token, which makes it the better buy when MiMo-V2.5-Pro's lead doesn't matter for your workload.

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

MiMo-V2-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-Flash better for coding?

MiMo-V2.5-Pro scores higher on coding benchmarks: 47.0 versus 35.8 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2.5-Pro does, with 1.05M tokens against 262K.

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

21 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and MiMo-V2-Flash has 21.

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