Model comparison

DeepSeek V4 Flash vs MiMo-V2-Pro

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 43.0 on the Noometry Index.

Last verified . 20 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #35 Confirmed

MiMo-V2-Pro Xiaomi

43.0

Rank #103 Confirmed

Summary

  • They share 20 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 7 categories and MiMo-V2-Pro in 1 category; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 22.1.
  • The biggest single-benchmark swing is NYT Connections (extended): 89.6% for DeepSeek V4 Flash and 25.8% for MiMo-V2-Pro.
  • DeepSeek V4 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2-Pro.
  • MiMo-V2-Pro accepts more context: 1.05M tokens versus 1M.
  • DeepSeek V4 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 Flash and MiMo-V2-Pro specifications
DeepSeek V4 FlashMiMo-V2-Pro
ProviderDeepSeekXiaomi
Noometry Index53.643.0
Released2026-04-242026-03-18
WeightsOpenProprietary
Context window1M1.05M
Max output393K131K
Input $ / M tokens$0.15$0.43
Output $ / M tokens$0.60$0.87
Results tracked4123

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Category by category

Coding DeepSeek V4 Flash leads

DeepSeek V4 Flash: 47.9 (#59), MiMo-V2-Pro: 43.8 (#83)

Coding benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena WebDev15821433
LMArena Coding14571476
ALE-Bench1,306785.17
FrontierCode18.8%—
SciCode49.9%—
WeirdML63%—

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), MiMo-V2-Pro: 22.1 (#206)

Reasoning benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
NYT Connections (extended)89.6%25.8%
LMArena Hard Prompts14441457
ARC-AGI-261.4%—
SimpleBench61.1%—
Kagi LLM Benchmark52.2%—
ARC-AGI-189%—
CritPt16.6%—
Chess Puzzles33%—
Thematic Generalization—45.9%
Mystery Game Puzzles34%—
DTBench90.9%—
LMCA41.7%—
Epoch Capabilities Index154.49—

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), MiMo-V2-Pro: 39.5 (#102)

Math benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena Math14271447
FrontierMath (Tiers 1-3)57.5%—
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
OTIS Mock AIME 2024-202594.4%—
ProofBench56%—

Knowledge DeepSeek V4 Flash leads

DeepSeek V4 Flash: 55.4 (#48), MiMo-V2-Pro: 41.4 (#111)

Knowledge benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena Expert14411478
GPQA Diamond91%—
SimpleQA Verified33.6%—

Multilingual Too close to call

DeepSeek V4 Flash: 53.0 (#72), MiMo-V2-Pro: 52.7 (#81)

Multilingual benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena Non-English14201416
LMArena Chinese14681456
LMArena French14391469
LMArena German14181417
LMArena Japanese14061366
LMArena Korean13841400
LMArena Russian14281427
LMArena Spanish14361457

Instruction Following MiMo-V2-Pro leads

DeepSeek V4 Flash: 74.9 (#81), MiMo-V2-Pro: 76.0 (#49)

Instruction Following benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena Instruction Following14211445

Long Context DeepSeek V4 Flash leads

DeepSeek V4 Flash: 43.8 (#85), MiMo-V2-Pro: 41.5 (#138)

Long Context benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena Longer Query14341455
CL-bench—15.7%
CL-bench Life—6.9%

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), MiMo-V2-Pro: 62.8 (#70)

Writing & Preference benchmarks
BenchmarkDeepSeek V4 FlashMiMo-V2-Pro
LMArena Text14321436
LMArena Creative Writing14031415
LMArena Multi-Turn14491456
EQ-Bench Creative Writing1559—

Frequently asked questions

Is DeepSeek V4 Flash better than MiMo-V2-Pro?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 43.0 on the Noometry Index.

Which is cheaper, DeepSeek V4 Flash or MiMo-V2-Pro?

DeepSeek V4 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; MiMo-V2-Pro lists at $0.43 and $0.87.

Is DeepSeek V4 Flash or MiMo-V2-Pro better for coding?

DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 43.8 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2-Pro does, with 1.05M tokens against 1M.

How many benchmarks do DeepSeek V4 Flash and MiMo-V2-Pro share?

20 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and MiMo-V2-Pro has 23.

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