Model comparison

Gemini 3.6 Flash vs Kimi K3

Kimi K3 is the stronger model overall, scoring 59.5 to 54.1 on the Noometry Index. Gemini 3.6 Flash costs 4.0× less per token, which makes it the better buy when Kimi K3's lead doesn't matter for your workload.

Last verified . 44 shared benchmarks.

Gemini 3.6 Flash Google

54.1

Rank #33 Confirmed

Kimi K3 Moonshot AI

59.5

Rank #15 Confirmed

Summary

  • They share 44 benchmarks with published results for both. Gemini 3.6 Flash scores higher in 3 categories and Kimi K3 in 7 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Kimi K3 leads 74.2 to 57.3.
  • The biggest single-benchmark swing is ProofBench: 36% for Gemini 3.6 Flash and 87% for Kimi K3.
  • Gemini 3.6 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $3 / $15 for Kimi K3.
  • Kimi K3 has downloadable open weights; the other is API-only.

Side by side

Gemini 3.6 Flash and Kimi K3 specifications
Gemini 3.6 FlashKimi K3
ProviderGoogleMoonshot AI
Noometry Index54.159.5
Released2026-07-212026-07-16
WeightsProprietaryOpen
Context window1.05M1.05M
Max output66K1.05M
Input $ / M tokens$0.75$3
Output $ / M tokens$3.75$15
Results tracked4653

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Category by category

Coding Kimi K3 leads

Gemini 3.6 Flash: 50.0 (#48), Kimi K3: 61.0 (#10)

Coding benchmarks
BenchmarkGemini 3.6 FlashKimi K3
DeepSWE46.7%68.5%
FrontierCode34.4%44.2%
LMArena WebDev15381654
SciCode52.7%59.5%
WeirdML56.1%82.6%
LMArena Coding14911508
ALE-Bench715.521,524
FrontierSWE—25.9%

Agentic & Tool Use Kimi K3 leads

Gemini 3.6 Flash: 32.3 (#65), Kimi K3: 41.8 (#20)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.6 FlashKimi K3
APEX-Agents46.9%50.6%
GDP.pdf14%19%
τ²-bench Banking—37.1%
PostTrainBench—32%
GBAEval—48.3%
Vending-Bench 2—5,165

Reasoning Kimi K3 leads

Gemini 3.6 Flash: 58.8 (#22), Kimi K3: 63.0 (#17)

Reasoning benchmarks
BenchmarkGemini 3.6 FlashKimi K3
ARC-AGI-260.4%60.4%
NYT Connections (extended)89%93.6%
ARC-AGI-191.2%94.5%
CritPt10.6%23.4%
Chess Puzzles43%39%
LMArena Hard Prompts14851496
Mystery Game Puzzles30%26%
DTBench95.5%91.2%
LMCA44.9%52.7%
Epoch Capabilities Index154.25157.45
SimpleBench—60.7%
Surface Evolver Bench—95%
ForecastBench—61.1

Math Kimi K3 leads

Gemini 3.6 Flash: 57.3 (#40), Kimi K3: 74.2 (#16)

Math benchmarks
BenchmarkGemini 3.6 FlashKimi K3
FrontierMath (Tiers 1-3)58.9%72.2%
FrontierMath Tier 422%39%
MathArena Final-Answer Competitions70.8%87.8%
OTIS Mock AIME 2024-202594.2%97.2%
ProofBench36%87%
LMArena Math15051491

Knowledge Gemini 3.6 Flash leads

Gemini 3.6 Flash: 67.8 (#8), Kimi K3: 63.2 (#21)

Knowledge benchmarks
BenchmarkGemini 3.6 FlashKimi K3
GPQA Diamond94.1%93.1%
SimpleQA Verified66.2%50.6%
LMArena Expert14881521

Multimodal Too close to call

Gemini 3.6 Flash: 38.5 (#64), Kimi K3: 37.8 (#70)

Multimodal benchmarks
BenchmarkGemini 3.6 FlashKimi K3
Blueprint-Bench 231.2%29.5%
Furniture Assembly23.3%34.2%
LMArena Vision1298—
LMArena Document1456—

Multilingual Too close to call

Gemini 3.6 Flash: 56.5 (#19), Kimi K3: 56.3 (#21)

Multilingual benchmarks
BenchmarkGemini 3.6 FlashKimi K3
LMArena Non-English14691466
LMArena Chinese15311529
LMArena French15041491
LMArena German14781488
LMArena Japanese14761487
LMArena Korean14311458
LMArena Russian14871482
LMArena Spanish14751472

Instruction Following Too close to call

Gemini 3.6 Flash: 77.0 (#33), Kimi K3: 77.7 (#14)

Instruction Following benchmarks
BenchmarkGemini 3.6 FlashKimi K3
LMArena Instruction Following14661483

Long Context Too close to call

Gemini 3.6 Flash: 45.1 (#50), Kimi K3: 45.8 (#29)

Long Context benchmarks
BenchmarkGemini 3.6 FlashKimi K3
LMArena Longer Query14741494

Writing & Preference Kimi K3 leads

Gemini 3.6 Flash: 68.2 (#27), Kimi K3: 76.6 (#4)

Writing & Preference benchmarks
BenchmarkGemini 3.6 FlashKimi K3
LMArena Text14791476
LMArena Creative Writing14651454
EQ-Bench Creative Writing16042082
LMArena Multi-Turn14811488
EQ-Bench 4—1339

Frequently asked questions

Is Gemini 3.6 Flash better than Kimi K3?

Kimi K3 is the stronger model overall, scoring 59.5 to 54.1 on the Noometry Index. Gemini 3.6 Flash costs 4.0× less per token, which makes it the better buy when Kimi K3's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.6 Flash or Kimi K3?

Gemini 3.6 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Kimi K3 lists at $3 and $15.

Is Gemini 3.6 Flash or Kimi K3 better for coding?

Kimi K3 scores higher on coding benchmarks: 61.0 versus 50.0 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do Gemini 3.6 Flash and Kimi K3 share?

44 benchmarks have published results for both models. Gemini 3.6 Flash has 46 scored results on Noometry and Kimi K3 has 53.

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