Model comparison

Gemini 2.5 Flash vs MiMo-V2.6-Flash

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 39.3 on the Noometry Index.

Last verified . 16 shared benchmarks.

Gemini 2.5 Flash Google

39.3

Rank #170 Confirmed

MiMo-V2.6-Flash Xiaomi

48.5

Rank #55 Confirmed

Summary

  • They share 16 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 2 categories and MiMo-V2.6-Flash in 7 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where MiMo-V2.6-Flash leads 36.5 to 18.1.
  • The biggest single-benchmark swing is CritPt: 1.1% for Gemini 2.5 Flash and 12% for MiMo-V2.6-Flash.
  • MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.30 / $2.50 for Gemini 2.5 Flash.
  • MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

Side by side

Gemini 2.5 Flash and MiMo-V2.6-Flash specifications
Gemini 2.5 FlashMiMo-V2.6-Flash
ProviderGoogleXiaomi
Noometry Index39.348.5
Released2025-04-172026-09-21
WeightsProprietaryOpen
Context window1.05M1.05M
Max output66K131K
Input $ / M tokens$0.30$0.14
Output $ / M tokens$2.50$0.28
Results tracked5419

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Category by category

Coding MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 35.8 (#220), MiMo-V2.6-Flash: 53.4 (#30)

Coding benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Coding14241504
SWE-bench Verified (bash only)28.7%—
Aider Polyglot55.1%—
LMArena WebDev—1637
SciCode—51.3%
WeirdML41.9%—
ALE-Bench661.88—

Agentic & Tool Use Not comparable

Gemini 2.5 Flash: 30.8 (#74), MiMo-V2.6-Flash: —

Agentic & Tool Use benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
Terminal-Bench17.1%—
Berkeley Function Calling Leaderboard56.2%—
TheAgentCompany41.1%—
BALROG33.5%—
Vending-Bench 2548.84—

Reasoning MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 18.1 (#286), MiMo-V2.6-Flash: 36.5 (#66)

Reasoning benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
CritPt1.1%12%
LMArena Hard Prompts14221482
ARC-AGI-22.5%—
SimpleBench41.2%—
Kagi LLM Benchmark56.8%—
ARC-AGI-133.3%—
EnigmaEval2.7%—
DTBench76.5%—
LMCA27.5%—
Epoch Capabilities Index143.03—
ForecastBench60.6—

Math MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 39.9 (#98), MiMo-V2.6-Flash: 51.9 (#52)

Math benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Math14151468
OTIS Mock AIME 2024-202573.1%—
ProofBench—63%
Omni-MATH38.5%—
FrontierMath (Feb 2025 set)4.8%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 36.4 (#168), MiMo-V2.6-Flash: 42.2 (#99)

Knowledge benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Expert14261501
Humanity's Last Exam12.1%—
MMLU-Pro63.9%—
Confabulations16.8%—
Vectara Hallucination Rate7.8%—
GPQA (HELM)39%—

Multimodal Gemini 2.5 Flash leads

Gemini 2.5 Flash: 41.8 (#32), MiMo-V2.6-Flash: 40.5 (#47)

Multimodal benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Vision12531259
GeoBench76%—
VPCT46.2%—
SpatialViz-Bench36.9%—

Multilingual MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 52.3 (#88), MiMo-V2.6-Flash: 54.0 (#51)

Multilingual benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Non-English14091434
LMArena Chinese14501511
LMArena French14331475
LMArena Russian14151409
LMArena Spanish14211456
LMArena German1418—
LMArena Japanese1405—
LMArena Korean1385—

Instruction Following MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 75.7 (#54), MiMo-V2.6-Flash: 76.8 (#35)

Instruction Following benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Instruction Following14051463
IFEval89.8%—

Long Context Gemini 2.5 Flash leads

Gemini 2.5 Flash: 47.5 (#17), MiMo-V2.6-Flash: 44.8 (#57)

Long Context benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Longer Query14191463
Fiction.LiveBench77.8%—

Writing & Preference MiMo-V2.6-Flash leads

Gemini 2.5 Flash: 53.8 (#157), MiMo-V2.6-Flash: 63.1 (#67)

Writing & Preference benchmarks
BenchmarkGemini 2.5 FlashMiMo-V2.6-Flash
LMArena Text14171455
LMArena Creative Writing14001400
LMArena Multi-Turn14081451
Short-Story Creative Writing76.5%—
EQ-Bench Creative Writing1137—
WildBench81.7%—

Frequently asked questions

Is Gemini 2.5 Flash better than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 39.3 on the Noometry Index.

Which is cheaper, Gemini 2.5 Flash 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; Gemini 2.5 Flash lists at $0.30 and $2.50.

Is Gemini 2.5 Flash or MiMo-V2.6-Flash better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 35.8 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do Gemini 2.5 Flash and MiMo-V2.6-Flash share?

16 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and MiMo-V2.6-Flash has 19.

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