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MoonshotAI Kimi K2 Thinking

MoonshotAI Kimi K2 Thinking costs $0.60 per million input tokens and $2.50 per million output tokens, as of October 22, 2026. Only one of the 6 coding benchmarks behind the index has measured it, and the index needs two, so there is not enough data for a coding score. 29 benchmarks outside the index have a result below.

Kimi K2 Thinking's output price ranks 205 of 349 priced models, counting from the cheapest.

  • Coding index Not enough data Thin, 1 benchmark
  • Cost per solved task $0.61 One SWE-bench Verified task, solved
  • Output, per million tokens $2.50 205 of 349 from the cheapest Median of 2 providers on OpenRouter
  • Input, per million tokens $0.60 Median of 2 providers on OpenRouter
  • Context window 262K Tokens per request
  • Downloads, 30 days 49.5K Hugging Face

About and specs

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

API model id moonshotai/kimi-k2-thinking
  • Tool callingListed
  • Structured outputsListed
  • JSON modeListed
  • Reasoning modeListed
  • Web searchNot listed
Takes in
Text
Gives back
Text
Context window
262K tokens
Max output
98K tokens
Knowledge cutoff
Not published
Cached input $/Mtok
$0.15
Cache write $/Mtok
No cache write price listed
Reasoning $/Mtok
Not priced apart
Web search, per request
No search price listed
Tokenizer
Not named
Requests moderated
No
Withdrawn on
No date announced
Parameters
1T, per its Hugging Face weights
Downloads, all time
2.0M on Hugging Face
Training compute
4.2e24 FLOP, Epoch AI estimate
Output speed
Not measured
Time to first token
Not measured
Speed on OpenRouter
Not measured
First token on OpenRouter
Not measured

Benchmarks: 30 of 195 measured

The tick on a coding bar is the median of every model measured on it. Outside coding, the place is this model's rank on that board. A board that never ran the model says so.

Where it stands

Full leaderboard
Not ranked overall: fewer than three of the index inputs are measured

Measured in 2 of 7 categories. A place counts only the models measured on that board.

Coding index

Not benchmarked
  • Terminal-Bench 4 (Vals AI) Not measured
  • Vibe Code Bench (Vals AI) Not measured
  • LiveBench coding Not measured
  • SWE-bench Verified (Vals AI) 60.2% 60 of 100
  • FrontierCode Not measured
  • LMArena WebDev Elo, scaled from 1200 to 1900 Not measured

No coding benchmark has measured this model, so there is no index. We do not estimate one from its price, its maker or its siblings. How it is weighted

Other public boards

All rankings

Coding7 of 33 boards

1 more coding boards

Not measured on Aider polyglot, SWE-bench Lite, SWE-bench (full test set), SWE-bench Multimodal, SWE-bench Multilingual, AA Coding Index, Code migration (Vals AI), ProgramBench (Vals AI), IOI (Vals AI), Terminal-Bench 2.1 (Vals AI), SWE-bench Multimodal (Vals AI), Vibe Code Bench 1-100 (Vals AI), SkillsBench (Vals AI), CyberBench (Vals AI), SciCode, DeepSWE, FrontierSWE, GSO-Bench, MirrorCode, Cybench, LMArena Text: coding, LMArena Text: software and IT, LMArena WebDev: React, LMArena WebDev: HTML, LMArena WebDev: from an image, SciCode

Intelligence2 of 2 boards

Agentic work2 of 41 boards

Not measured on AA Agentic Index, Design Arena: agents building web apps, Design Arena: agents building full-stack apps, Design Arena: agents building mobile apps, Design Arena: agents building Android apps, Design Arena: agents building Godot games, Design Arena: agents building games, Design Arena: HTML slides, Design Arena: PowerPoint slides, Design Arena: spreadsheets, LiveBench research, LiveBench browser, LiveBench long agentic, SREBench (Vals AI), Finance Agent (Vals AI), Tax Agent Bench (Vals AI), Legal Research Bench (Vals AI), Harvey's Legal Agent Benchmark (Vals AI), Excel Modeling Benchmark (Vals AI), BioMysteryBench (Vals AI), Terminal-Bench-Science (Vals AI), Vals Science Index, Time Horizon Index (Vals AI), CUA-bench (Vals AI), Robo-bench (Vals AI), APEX-Agents, Remote Labor Index, GDPval, OSWorld 2.0, BALROG, DeepResearch Bench, PostTrainBench, TheAgentCompany, OSWorld, SpireClimb, Vending-Bench 2, LMArena Search, Berkeley Function Calling Leaderboard (BFCL), BrowseComp-Plus

Reasoning3 of 22 boards

Not measured on LiveBench reasoning, MysteryMechanism (Vals AI), MMMU Pro (Vals AI), GPQA Diamond (Epoch AI run), ARC-AGI, ARC-AGI-2, Humanity's Last Exam, SimpleBench, Chess puzzles, Mystery game puzzles, EBR-bench, VPCT, BIG-Bench Hard, LMArena Text: hard prompts, LMArena Text: expert, LMArena Text: hard prompts in English, LMArena Vision: diagrams, LMArena Vision: homework, Kagi LLM Benchmark

Math4 of 13 boards

Not measured on MATH 500 (Vals AI), OTIS Mock AIME, FrontierMath, tiers 1 to 3, FrontierMath, tier 4, ProofBench, MATH level 5, GSM8K, LMArena Text: math, LMArena Text: mathematical work

Knowledge7 of 18 boards

1 more knowledge boards

Not measured on MortgageTax (Vals AI), MedCode (Vals AI), SimpleQA Verified, MMLU, GeoBench, AI2 Reasoning Challenge, LMArena Text: science, LMArena Text: medicine and healthcare, LMArena Text: legal and government, LMArena Text: business and finance, FACTS Benchmark Suite

Web design1 of 9 boards

Not measured on Design Arena: UI components, Design Arena: game dev, Design Arena: data viz, Design Arena: 3D, Design Arena: all code categories, Design Arena: SVG, Design Arena: ASCII art, LiveBench design

General3 of 46 boards

Not measured on Vals Index, LiveBench data analysis, Public Benefits Bench (Vals AI), SAGE (Vals AI), MedScribe (Vals AI), Vals Multimodal Index, DTBench, LMCA, Fiction.LiveBench, Creative writing (Lech Mazur), Surface Evolver Bench, Furniture assembly, ExploitBench, HellaSwag, WinoGrande, PIQA, CL-bench Life, LMArena Text, LMArena Text: instruction following, LMArena Text: creative writing, LMArena Vision, LMArena Text: English, LMArena Text: non-English, LMArena Text: Chinese, LMArena Text: German, LMArena Text: Japanese, LMArena Text: Korean, LMArena Text: French, LMArena Text: Spanish, LMArena Text: Russian, LMArena Text: Polish, LMArena Text: multi-turn, LMArena Text: longer queries, LMArena Text: writing and language, LMArena Text: entertainment and media, LMArena Vision: English, LMArena Vision: Chinese, LMArena Vision: reading text, LMArena Vision: humor, LMArena Vision: captioning, LMArena Vision: recognizing things, LMArena Vision: creative writing, LMArena Document

Image generation0 of 5 boards

Not measured on Design Arena: images, Design Arena: graphic design, Design Arena: logos, LMArena Text to Image, LMArena Image Edit

Public boards shown as published (Vals AI, Artificial Analysis, Design Arena) and kept out of the coding index. Each links to its source on the benchmark page.

All 195 benchmarks as a table
Benchmark results for MoonshotAI Kimi K2 Thinking
BenchmarkResultIndex weight
Aider polyglotCoding Not measured Not in index
SWE-bench VerifiedCoding 63.4% Not in index
SWE-bench LiteCoding Not measured Not in index
SWE-bench (full test set)Coding Not measured Not in index
SWE-bench MultimodalCoding Not measured Not in index
SWE-bench MultilingualCoding Not measured Not in index
LiveBench codingCoding Not measured 15%
LMArena WebDevCoding Not measured 10%
Vals IndexGeneral Not measured Not in index
GPQA DiamondReasoning 78.5% Not in index
AIMEMath 85.4% Not in index
MMLU ProKnowledge 81.1% Not in index
AA Intelligence IndexIntelligence 22.0 Not in index
AA Coding IndexCoding Not measured Not in index
AA Agentic IndexAgentic work Not measured Not in index
Design Arena: websitesWeb design 1113 Not in index
Design Arena: UI componentsWeb design Not measured Not in index
Design Arena: game devWeb design Not measured Not in index
Design Arena: data vizWeb design Not measured Not in index
Design Arena: 3DWeb design Not measured Not in index
Design Arena: all code categoriesWeb design Not measured Not in index
Design Arena: SVGWeb design Not measured Not in index
Design Arena: ASCII artWeb design Not measured Not in index
Design Arena: agents building web appsAgentic work Not measured Not in index
Design Arena: agents building full-stack appsAgentic work Not measured Not in index
Design Arena: agents building mobile appsAgentic work Not measured Not in index
Design Arena: agents building Android appsAgentic work Not measured Not in index
Design Arena: agents building Godot gamesAgentic work Not measured Not in index
Design Arena: agents building gamesAgentic work Not measured Not in index
Design Arena: HTML slidesAgentic work Not measured Not in index
Design Arena: PowerPoint slidesAgentic work Not measured Not in index
Design Arena: spreadsheetsAgentic work Not measured Not in index
Design Arena: imagesImage generation Not measured Not in index
Design Arena: graphic designImage generation Not measured Not in index
Design Arena: logosImage generation Not measured Not in index
LiveBench reasoningReasoning Not measured Not in index
LiveBench data analysisGeneral Not measured Not in index
LiveBench researchAgentic work Not measured Not in index
LiveBench browserAgentic work Not measured Not in index
LiveBench long agenticAgentic work Not measured Not in index
LiveBench designWeb design Not measured Not in index
LiveCodeBench (Vals AI)Coding 63.1% Not in index
SWE-bench Verified (Vals AI)Coding 60.2% 15%
Terminal-Bench 4 (Vals AI)Coding Not measured 25%
Vibe Code Bench (Vals AI)Coding Not measured 20%
Code migration (Vals AI)Coding Not measured Not in index
ProgramBench (Vals AI)Coding Not measured Not in index
SREBench (Vals AI)Agentic work Not measured Not in index
IOI (Vals AI)Coding Not measured Not in index
Terminal-Bench 2.1 (Vals AI)Coding Not measured Not in index
SWE-bench Multimodal (Vals AI)Coding Not measured Not in index
Vibe Code Bench 1-100 (Vals AI)Coding Not measured Not in index
SkillsBench (Vals AI)Coding Not measured Not in index
CyberBench (Vals AI)Coding Not measured Not in index
Finance Agent (Vals AI)Agentic work Not measured Not in index
Tax Agent Bench (Vals AI)Agentic work Not measured Not in index
Legal Research Bench (Vals AI)Agentic work Not measured Not in index
Harvey's Legal Agent Benchmark (Vals AI)Agentic work Not measured Not in index
Excel Modeling Benchmark (Vals AI)Agentic work Not measured Not in index
BioMysteryBench (Vals AI)Agentic work Not measured Not in index
Terminal-Bench-Science (Vals AI)Agentic work Not measured Not in index
Vals Science IndexAgentic work Not measured Not in index
Time Horizon Index (Vals AI)Agentic work Not measured Not in index
CUA-bench (Vals AI)Agentic work Not measured Not in index
Robo-bench (Vals AI)Agentic work Not measured Not in index
Public Benefits Bench (Vals AI)General Not measured Not in index
MysteryMechanism (Vals AI)Reasoning Not measured Not in index
MMMU Pro (Vals AI)Reasoning Not measured Not in index
MATH 500 (Vals AI)Math Not measured Not in index
MGSM (Vals AI)Math 90.2% Not in index
SAGE (Vals AI)General Not measured Not in index
LegalBench (Vals AI)Knowledge 80.2% Not in index
CaseLaw (Vals AI)Knowledge 65.7% Not in index
CorpFin (Vals AI)Knowledge 60.6% Not in index
TaxEval (Vals AI)Knowledge 71.7% Not in index
MortgageTax (Vals AI)Knowledge Not measured Not in index
MedQA (Vals AI)Knowledge 92.6% Not in index
MedCode (Vals AI)Knowledge Not measured Not in index
MedScribe (Vals AI)General Not measured Not in index
Vals Multimodal IndexGeneral Not measured Not in index
AA Math IndexMath 94.7 Not in index
GPQA Diamond (Artificial Analysis run)Reasoning 83.8% Not in index
Humanity's Last Exam (Artificial Analysis run)Reasoning 23.8% Not in index
MMLU Pro (Artificial Analysis run)Knowledge 84.8% Not in index
LiveCodeBench (Artificial Analysis run)Coding 85.3% Not in index
SciCodeCoding Not measured Not in index
Terminal-Bench Hard (Artificial Analysis run)Coding 31.1% Not in index
IFBenchGeneral 68.1% Not in index
Long context reasoning (AA-LCR)General 72.0% Not in index
τ²-Bench TelecomAgentic work 93.0% Not in index
AIME 2025 (Artificial Analysis run)Math 94.7% Not in index
Terminal-BenchCoding 35.7% Not in index
DeepSWECoding Not measured Not in index
FrontierCodeCoding Not measured 15%
FrontierSWECoding Not measured Not in index
GSO-BenchCoding Not measured Not in index
WeirdMLCoding 42.8% Not in index
MirrorCodeCoding Not measured Not in index
APEX-AgentsAgentic work Not measured Not in index
METR time horizonsAgentic work 59.2% Not in index
Remote Labor IndexAgentic work Not measured Not in index
GDPvalAgentic work Not measured Not in index
OSWorld 2.0Agentic work Not measured Not in index
BALROGAgentic work Not measured Not in index
DeepResearch BenchAgentic work Not measured Not in index
PostTrainBenchAgentic work Not measured Not in index
GPQA Diamond (Epoch AI run)Reasoning Not measured Not in index
ARC-AGIReasoning Not measured Not in index
ARC-AGI-2Reasoning Not measured Not in index
Humanity's Last ExamReasoning Not measured Not in index
SimpleBenchReasoning Not measured Not in index
Chess puzzlesReasoning Not measured Not in index
Mystery game puzzlesReasoning Not measured Not in index
EBR-benchReasoning Not measured Not in index
OTIS Mock AIMEMath Not measured Not in index
FrontierMath, tiers 1 to 3Math Not measured Not in index
FrontierMath, tier 4Math Not measured Not in index
ProofBenchMath Not measured Not in index
MATH level 5Math Not measured Not in index
GSM8KMath Not measured Not in index
SimpleQA VerifiedKnowledge Not measured Not in index
MMLUKnowledge Not measured Not in index
GeoBenchKnowledge Not measured Not in index
DTBenchGeneral Not measured Not in index
LMCAGeneral Not measured Not in index
Fiction.LiveBenchGeneral Not measured Not in index
Creative writing (Lech Mazur)General Not measured Not in index
CL-benchGeneral 17.6% Not in index
Surface Evolver BenchGeneral Not measured Not in index
Furniture assemblyGeneral Not measured Not in index
ExploitBenchGeneral Not measured Not in index
CybenchCoding Not measured Not in index
TheAgentCompanyAgentic work Not measured Not in index
OSWorldAgentic work Not measured Not in index
SpireClimbAgentic work Not measured Not in index
VPCTReasoning Not measured Not in index
BIG-Bench HardReasoning Not measured Not in index
AI2 Reasoning ChallengeKnowledge Not measured Not in index
HellaSwagGeneral Not measured Not in index
WinoGrandeGeneral Not measured Not in index
PIQAGeneral Not measured Not in index
CL-bench LifeGeneral Not measured Not in index
ALE-BenchCoding 597.5 Not in index
Vending-Bench 2Agentic work Not measured Not in index
Epoch Capabilities IndexIntelligence 145.8 Not in index
LMArena TextGeneral Not measured Not in index
LMArena Text: codingCoding Not measured Not in index
LMArena Text: hard promptsReasoning Not measured Not in index
LMArena Text: mathMath Not measured Not in index
LMArena Text: instruction followingGeneral Not measured Not in index
LMArena Text: creative writingGeneral Not measured Not in index
LMArena VisionGeneral Not measured Not in index
LMArena Text: EnglishGeneral Not measured Not in index
LMArena Text: non-EnglishGeneral Not measured Not in index
LMArena Text: ChineseGeneral Not measured Not in index
LMArena Text: GermanGeneral Not measured Not in index
LMArena Text: JapaneseGeneral Not measured Not in index
LMArena Text: KoreanGeneral Not measured Not in index
LMArena Text: FrenchGeneral Not measured Not in index
LMArena Text: SpanishGeneral Not measured Not in index
LMArena Text: RussianGeneral Not measured Not in index
LMArena Text: PolishGeneral Not measured Not in index
LMArena Text: multi-turnGeneral Not measured Not in index
LMArena Text: longer queriesGeneral Not measured Not in index
LMArena Text: expertReasoning Not measured Not in index
LMArena Text: hard prompts in EnglishReasoning Not measured Not in index
LMArena Text: software and ITCoding Not measured Not in index
LMArena Text: mathematical workMath Not measured Not in index
LMArena Text: scienceKnowledge Not measured Not in index
LMArena Text: medicine and healthcareKnowledge Not measured Not in index
LMArena Text: legal and governmentKnowledge Not measured Not in index
LMArena Text: business and financeKnowledge Not measured Not in index
LMArena Text: writing and languageGeneral Not measured Not in index
LMArena Text: entertainment and mediaGeneral Not measured Not in index
LMArena WebDev: ReactCoding Not measured Not in index
LMArena WebDev: HTMLCoding Not measured Not in index
LMArena WebDev: from an imageCoding Not measured Not in index
LMArena Vision: EnglishGeneral Not measured Not in index
LMArena Vision: ChineseGeneral Not measured Not in index
LMArena Vision: reading textGeneral Not measured Not in index
LMArena Vision: diagramsReasoning Not measured Not in index
LMArena Vision: homeworkReasoning Not measured Not in index
LMArena Vision: humorGeneral Not measured Not in index
LMArena Vision: captioningGeneral Not measured Not in index
LMArena Vision: recognizing thingsGeneral Not measured Not in index
LMArena Vision: creative writingGeneral Not measured Not in index
LMArena SearchAgentic work Not measured Not in index
LMArena DocumentGeneral Not measured Not in index
LMArena Text to ImageImage generation Not measured Not in index
LMArena Image EditImage generation Not measured Not in index
Berkeley Function Calling Leaderboard (BFCL)Agentic work Not measured Not in index
Kagi LLM BenchmarkReasoning Not measured Not in index
BrowseComp-PlusAgentic work Not measured Not in index
SciCodeCoding Not measured Not in index
FACTS Benchmark SuiteKnowledge Not measured Not in index

What it costs

A list price says what a token costs. The cost per solved task says what a working answer costs, which is the number that decides.

Output price against the market

Kimi K2 Thinking pricing
$0.05Dashed line: median $1.80, log scale$600.00
$2.50 per million output tokens is cheaper than 39% of the 344 paid models in the catalog.

Cost per solved task

How it is computed
$0.37one attempt, Vals AI 60.2%tasks solved $0.61per solved task

What the boards say about its runs

Beside a result, many boards publish what the run cost, how long it took, the tokens it spent or the votes behind a rating. Each figure as its board printed it, one board per row.

What each board publishes about the runs behind MoonshotAI: Kimi K2 Thinking's results
BoardResultWhat the run costAlso published
SWE-bench Verified 63.4% $0.4383 per attempt Nothing else
SWE-bench Verified (Vals AI) 60.2% $0.37 per test Duration, as printed 27m 12s
WeirdML 42.8% $0.0809 per run Median lines of code 195
ALE-Bench 597.5 $0.0878 per problem Tokens per problem 51,357
GPQA Diamond 78.5% Not published Latency, as printed 9m 46s
AIME 85.4% Not published Latency, as printed 15m 25s
MMLU Pro 81.1% Not published Latency, as printed 1m 35s
Design Arena: websites 1113 Elo Not published Battles 713
LiveCodeBench (Vals AI) 63.1% Not published Latency, as printed 19m 11s
MGSM (Vals AI) 90.2% Not published Latency, as printed 48 s
LegalBench (Vals AI) 80.2% Not published Latency, as printed 44 s
CaseLaw (Vals AI) 65.7% Not published Latency, as printed 1m 31s
3 more boards
What each board publishes about the runs behind MoonshotAI: Kimi K2 Thinking's results, continued
CorpFin (Vals AI) 60.6% Not published Latency, as printed 1m 33s
TaxEval (Vals AI) 71.7% Not published Latency, as printed 1m 01s
MedQA (Vals AI) 92.6% Not published Latency, as printed 3m 45s

On these lists

No comparison page of its own yet: one needs a coding index on both sides, and Kimi K2 Thinking has none. Compare Kimi K2 Thinking with any model