Noometry

Model comparison

Kimi K2 Thinking Turbo vs o1-mini

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 34.0 on the Noometry Index.

Last verified . 19 shared benchmarks.

Kimi K2 Thinking Turbo Moonshot AI

45.8

Rank #70 Confirmed

o1-mini OpenAI

34.0

Rank #235 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 8 categories and o1-mini in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 32.5 to 8.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 83.1% for Kimi K2 Thinking Turbo and 46.9% for o1-mini.
  • Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

Side by side

Kimi K2 Thinking Turboo1-mini
ProviderMoonshot AIOpenAI
Noometry Index45.834.0
Released2025-11-062024-09-12
WeightsOpenProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked2139

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Category by category

Coding Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 38.4 (#178), o1-mini: 35.5 (#224)

BenchmarkKimi K2 Thinking Turboo1-mini
LMArena Coding14541362
Aider Polyglot—32.9%
LMArena WebDev1322—
WeirdML—36.3%
LiveBench Coding—48%
HumanEval+—89%
MBPP+—78.8%

Agentic & Tool Use Not comparable

Kimi K2 Thinking Turbo: —, o1-mini: 24.6 (#118)

BenchmarkKimi K2 Thinking Turboo1-mini
Cybench—10%

Reasoning Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 32.5 (#75), o1-mini: 8.8 (#346)

BenchmarkKimi K2 Thinking Turboo1-mini
LMArena Hard Prompts14281333
ARC-AGI-2—0.8%
SimpleBench—18.1%
ARC-AGI-1—14%
Chess Puzzles20%—
LiveBench Reasoning—72.3%
LiveBench Data Analysis—57.9%
Epoch Capabilities Index—135.82
LiveBench—57.8%

Math Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 47.4 (#68), o1-mini: 35.4 (#186)

BenchmarkKimi K2 Thinking Turboo1-mini
OTIS Mock AIME 2024-202583.1%46.9%
LMArena Math14291358
LiveBench Math—62%
MATH Level 5—89.2%
FrontierMath (Feb 2025 set)—1.7%

Knowledge Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 50.9 (#69), o1-mini: 34.9 (#192)

BenchmarkKimi K2 Thinking Turboo1-mini
GPQA Diamond84.2%62.4%
LMArena Expert14391316
Confabulations—18.6%

Multilingual Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 51.4 (#109), o1-mini: 43.6 (#182)

BenchmarkKimi K2 Thinking Turboo1-mini
LMArena Non-English13981289
LMArena Chinese14561314
LMArena French14251293
LMArena German13901278
LMArena Japanese13571245
LMArena Korean13301223
LMArena Russian13911283
LMArena Spanish14061303

Instruction Following Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 74.0 (#109), o1-mini: 66.7 (#206)

BenchmarkKimi K2 Thinking Turboo1-mini
LMArena Instruction Following14031304
LiveBench Instruction Following—65.4%

Long Context Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 43.2 (#102), o1-mini: 40.1 (#161)

BenchmarkKimi K2 Thinking Turboo1-mini
LMArena Longer Query14151320

Writing & Preference Kimi K2 Thinking Turbo leads

Kimi K2 Thinking Turbo: 60.0 (#104), o1-mini: 48.4 (#202)

BenchmarkKimi K2 Thinking Turboo1-mini
LMArena Text14151317
LMArena Creative Writing13741244
LMArena Multi-Turn14141314
Short-Story Creative Writing—64.9%
LiveBench Language—40.9%

Frequently asked questions

Is Kimi K2 Thinking Turbo better than o1-mini?

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 34.0 on the Noometry Index.

Is Kimi K2 Thinking Turbo or o1-mini better for coding?

Kimi K2 Thinking Turbo scores higher on coding benchmarks: 38.4 versus 35.5 in the Noometry coding category.

How many benchmarks do Kimi K2 Thinking Turbo and o1-mini share?

19 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and o1-mini has 39.

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