Model comparison

DeepSeek-V3 vs MiMo-V2.6-Flash

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 39.5 on the Noometry Index.

Last verified . 16 shared benchmarks.

DeepSeek-V3 DeepSeek

39.5

Rank #166 Confirmed

MiMo-V2.6-Flash Xiaomi

48.5

Rank #55 Confirmed

Summary

  • They share 16 benchmarks with published results for both. DeepSeek-V3 scores higher in 0 categories and MiMo-V2.6-Flash in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where MiMo-V2.6-Flash leads 51.9 to 32.1.
  • The biggest single-benchmark swing is SciCode: 35.8% for DeepSeek-V3 and 51.3% for MiMo-V2.6-Flash.
  • MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.24 / $0.90 for DeepSeek-V3.
  • MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 164K.

Side by side

DeepSeek-V3 and MiMo-V2.6-Flash specifications
DeepSeek-V3MiMo-V2.6-Flash
ProviderDeepSeekXiaomi
Noometry Index39.548.5
Released2024-12-262026-09-21
WeightsOpenOpen
Context window164K1.05M
Max output164K131K
Input $ / M tokens$0.24$0.14
Output $ / M tokens$0.90$0.28
Results tracked6019

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Category by category

Coding MiMo-V2.6-Flash leads

DeepSeek-V3: 42.3 (#106), MiMo-V2.6-Flash: 53.4 (#30)

Coding benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
SciCode35.8%51.3%
LMArena Coding13681504
Aider Polyglot55.1%—
LMArena WebDev—1637
WeirdML36.1%—
BigCodeBench Instruct50%—
LiveBench Coding70.9%—
BigCodeBench Complete62.2%—
HumanEval+86.6%—
MBPP+73%—

Agentic & Tool Use Not comparable

DeepSeek-V3: —, MiMo-V2.6-Flash: —

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
METR Time Horizons49.6%—

Reasoning MiMo-V2.6-Flash leads

DeepSeek-V3: 20.5 (#236), MiMo-V2.6-Flash: 36.5 (#66)

Reasoning benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
CritPt0%12%
LMArena Hard Prompts13651482
SimpleBench27.2%—
Kagi LLM Benchmark52.3%—
LiveBench Reasoning65.8%—
DTBench64.8%—
LiveBench Data Analysis60.9%—
LMCA15.5%—
BIG-Bench Hard87.5%—
Epoch Capabilities Index135.94—
ForecastBench59.1—
HellaSwag88.9%—
LiveBench66.9%—
PIQA84.7%—
WinoGrande85.2%—

Math MiMo-V2.6-Flash leads

DeepSeek-V3: 32.1 (#219), MiMo-V2.6-Flash: 51.9 (#52)

Math benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Math13731468
OTIS Mock AIME 2024-202537.8%—
ProofBench—63%
Omni-MATH40.3%—
LiveBench Math73.5%—
MATH Level 575.5%—
FrontierMath (Feb 2025 set)1.7%—

Knowledge MiMo-V2.6-Flash leads

DeepSeek-V3: 37.5 (#155), MiMo-V2.6-Flash: 42.2 (#99)

Knowledge benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Expert13511501
GPQA Diamond67.6%—
MMLU-Pro72.3%—
Confabulations26.1%—
Vectara Hallucination Rate6.1%—
GPQA (HELM)53.8%—
ARC (AI2) Challenge95.3%—
MMLU87.2%—
TriviaQA82.9%—

Multimodal Not comparable

DeepSeek-V3: —, MiMo-V2.6-Flash: 40.5 (#47)

Multimodal benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Vision—1259

Multilingual MiMo-V2.6-Flash leads

DeepSeek-V3: 48.5 (#143), MiMo-V2.6-Flash: 54.0 (#51)

Multilingual benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Non-English13581434
LMArena Chinese13911511
LMArena French13851475
LMArena Russian13731409
LMArena Spanish13581456
LMArena German1374—
LMArena Japanese1333—
LMArena Korean1319—

Instruction Following MiMo-V2.6-Flash leads

DeepSeek-V3: 72.8 (#130), MiMo-V2.6-Flash: 76.8 (#35)

Instruction Following benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Instruction Following13451463
LiveBench Instruction Following81.5%—
IFEval83.2%—

Long Context MiMo-V2.6-Flash leads

DeepSeek-V3: 34.0 (#253), MiMo-V2.6-Flash: 44.8 (#57)

Long Context benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Longer Query13521463
Fiction.LiveBench50%—

Writing & Preference MiMo-V2.6-Flash leads

DeepSeek-V3: 57.4 (#130), MiMo-V2.6-Flash: 63.1 (#67)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3MiMo-V2.6-Flash
LMArena Text13751455
LMArena Creative Writing13641400
LMArena Multi-Turn13891451
Short-Story Creative Writing77%—
EQ-Bench Creative Writing1472—
WildBench83%—
LiveBench Language49.1%—

Frequently asked questions

Is DeepSeek-V3 better than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 39.5 on the Noometry Index.

Which is cheaper, DeepSeek-V3 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; DeepSeek-V3 lists at $0.24 and $0.90.

Is DeepSeek-V3 or MiMo-V2.6-Flash better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 42.3 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 164K.

How many benchmarks do DeepSeek-V3 and MiMo-V2.6-Flash share?

16 benchmarks have published results for both models. DeepSeek-V3 has 60 scored results on Noometry and MiMo-V2.6-Flash has 19.

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