Noometry

Model comparison

Gemini 3.5 Flash Lite vs Kimi K2.5 Instant

Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 41.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

Gemini 3.5 Flash Lite Google

41.8

Rank #113 Confirmed

Kimi K2.5 Instant Moonshot AI

42.9

Rank #92 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Gemini 3.5 Flash Lite scores higher in 5 categories and Kimi K2.5 Instant in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Kimi K2.5 Instant leads 36.6 to 25.7.
  • Kimi K2.5 Instant has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 Flash LiteKimi K2.5 Instant
ProviderGoogleMoonshot AI
Noometry Index41.842.9
Released2026-07-21—
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$0.30—
Output $ / M tokens$2.50—
Results tracked3818

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Too close to call

Gemini 3.5 Flash Lite: 42.1 (#96), Kimi K2.5 Instant: 42.3 (#95)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena WebDev14401404
LMArena Coding14551483
SciCode41.3%—
WeirdML39%—
ALE-Bench765.27—

Agentic & Tool Use Not comparable

Gemini 3.5 Flash Lite: 28.6 (#82), Kimi K2.5 Instant: —

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
GDP.pdf10%—

Reasoning Too close to call

Gemini 3.5 Flash Lite: 27.8 (#95), Kimi K2.5 Instant: 28.5 (#88)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Hard Prompts14411443
ARC-AGI-210.3%—
NYT Connections (extended)60.4%—
ARC-AGI-153.5%—
CritPt0%—
Chess Puzzles22%—
Mystery Game Puzzles19%—
DTBench83.5%—
LMCA37.6%—
Epoch Capabilities Index145.12—

Math Kimi K2.5 Instant leads

Gemini 3.5 Flash Lite: 25.7 (#245), Kimi K2.5 Instant: 36.6 (#105)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Math14311443
FrontierMath (Tiers 1-3)26%—
FrontierMath Tier 40%—
OTIS Mock AIME 2024-202571.1%—
ProofBench13%—

Knowledge Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 50.0 (#66), Kimi K2.5 Instant: 39.5 (#121)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Expert14301438
GPQA Diamond83.3%—

Multimodal Too close to call

Gemini 3.5 Flash Lite: 40.3 (#38), Kimi K2.5 Instant: 39.5 (#47)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Vision12661254

Multilingual Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 53.8 (#59), Kimi K2.5 Instant: 52.2 (#89)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Non-English14281406
LMArena Chinese14671450
LMArena French14521403
LMArena German14541413
LMArena Korean14061378
LMArena Russian14431404
LMArena Spanish14401448
LMArena Japanese1428—

Instruction Following Too close to call

Gemini 3.5 Flash Lite: 75.0 (#77), Kimi K2.5 Instant: 75.5 (#61)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Instruction Following14201430

Long Context Too close to call

Gemini 3.5 Flash Lite: 43.8 (#80), Kimi K2.5 Instant: 43.8 (#82)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Longer Query14351435

Writing & Preference Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 64.4 (#55), Kimi K2.5 Instant: 60.8 (#91)

BenchmarkGemini 3.5 Flash LiteKimi K2.5 Instant
LMArena Text14361420
LMArena Creative Writing14191379
LMArena Multi-Turn14451427
EQ-Bench Creative Writing1559—

Frequently asked questions

Is Gemini 3.5 Flash Lite better than Kimi K2.5 Instant?

Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 41.8 on the Noometry Index.

Is Gemini 3.5 Flash Lite or Kimi K2.5 Instant better for coding?

They score almost the same on coding (42.1 vs 42.3); test both on your own repository before choosing.

How many benchmarks do Gemini 3.5 Flash Lite and Kimi K2.5 Instant share?

18 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 38 scored results on Noometry and Kimi K2.5 Instant has 18.

Related comparisons

Go deeper