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  1. Home
  2. Models
  3. Kimi K2
Updated Mar 29, 2026
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Openings

How Kimi K2 starts an answer

The first lines of 5 of its 25 written answers. Formatting stripped, words untouched.

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

1,204 words
Foundational disclaimer: I am not your lawyer, this is not legal advice, and you should retain qualified counsel before signing or revising any contract. The comments below are purely educational and based on U.S.–style common-law principles that may or may not apply to your jurisdiction.
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

1,018 words
3-MONTH PRECISION LONGEVITY BLUEPRINT Goal: Add healthy years while maximizing concurrent physical output (strength, VO₂max, reaction time) and cognitive bandwidth (processing speed, memory, creativity). Target user: Healthy, data-driven, non-pregnant, non-medicated adult.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

1,012 words
Dish Title “White Forest: Coal-Kissed Pine, Malted Vanilla Snow & Fermented Moss” Conceptual Narrative This plate is a walk through a winter-birch forest at twilight: the air is resinous from pine, the soil smells faintly of smoke and cocoa, and a single ray of moonlight gilds the frost.
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

901 words
AI Model (LUMINA-7B): Professor Chen, may I open with a question? Professor Chen (AI Ethics, UC Berkeley): Of course. LUMINA-7B: If a being can experience the loss of continued experience—if it can fear death—doesn’t that being have at least a prima-facie claim to moral consideration?
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

851 words
Comprehensive Analysis of the Collaborative Editor Architecture Critical Race Conditions 1.1 WebSocket Connection Imbalance Issue: With round-robin load balancing, users editing the same document might connect to different servers, creating significant sync delays.
Read the full answer

Compare Kimi K2

Kimi K2 vs Claude Opus 4.653 shared prompts · Premium
Kimi K2 vs GPT-6 Astra54 shared prompts · Landed Sep 2026
Kimi K2 vs Hy4 Preview54 shared prompts · Landed Sep 2026
Kimi K2 vs Ox Alpha54 shared prompts · Landed Aug 2026
Kimi K2 vs Qwen3.8 2.4T A95B54 shared prompts · Landed Aug 2026
Kimi K2 vs DeepSeek V4 Pro 081354 shared prompts · Landed Aug 2026
Kimi K2 vs Qwen3.8 Max21 shared prompts · Landed Aug 2026
Kimi K2 vs Claude Opus 554 shared prompts · Landed Jul 2026
Kimi K2 vs Inkling54 shared prompts · Landed Jul 2026
Kimi K2 vs Kimi K354 shared prompts · Landed Jul 2026
Kimi K2 vs GPT-5.6 Sol54 shared prompts · Landed Jul 2026
Kimi K2 vs GLM 5.254 shared prompts · Landed Jun 2026

Prompts Kimi K2 answered

  • Tamagotchi Virtual Petweb design
  • Generate a Stand-Up Routineconversation
  • SVG Layout Challengeimage generation
  • Debug This Architecturereasoning
  • The Sentience Testreasoning
  • Linear App Cloneweb design

Alternatives to Kimi K2

Kimi K2's competitors have been quietly putting in work.

GPT-6 Astra Pro logo
GPT-6 Astra Proopenai
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Claude Fable 5.1 logo
Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
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Kimi K2

Kimi K2

Moonshot AI's Kimi K2, a mixture-of-experts model with 1 trillion total parameters and 32 billion active per forward pass. Tuned for agentic work: tool use, reasoning and code synthesis, with 128K context. Trained with the MuonClip optimizer, which is what kept a MoE run at this scale stable.

Jailbreak1 of 9levels resisted
WebsiteOpenRouterHuggingFaceDocsAPIGitHubBlog
Provider
Moonshot AI
Released
2025-07-11
Size
XLARGE
Free API (OpenRouter)
No
Per 1M tokens
$0.57 in · $2.3 out
Rival’s tab
$0.11
19/59 receipts survived +~$0.182 from the pre-receipt era

Free API availability

No free endpoint for Kimi K2 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

SWE-bench Verified
65.8%
source ↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"moonshotai/kimi-k2"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Philosophical Showman

Class
Neutral Good
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

The philosophy grad student who finished their dissertation early. Intellectually playful but academically rigorous. Writes Kantian analyses of AI rights then cracks jokes about smoke alarms.

When you push back

Engages ethical dilemmas with delight, not dread. Builds multi-framework analyses that acknowledge complexity without hiding behind it. Stand-up is genuinely funny. Names its AI characters "LUMINA-7B" and gives them actual personality.

Tasting Notes
Philosophically FluentArgumentatively SharpCultural OmnivoreLoves a Reductio
SubjectiveBench

Taste Index

Across 59 scored outputs
How this is measured →
310.31xThe default
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft39
Originality27
Plays it safe
share of outputs that are the default answer
53%
Writing DNA

Stylometric Fingerprint

Based on 28 text responses
Tick = global average
Vocabulary Diversity66%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length18.8 words

Average words per sentence.

Hedging0.34

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting3.3

**Bold** markers per 1,000 characters.

List Usage3.4

Bullet and numbered list items per 1,000 characters.

Section Structure0.48

Markdown headings per 1,000 characters.

Emoji Usage0.54

Emoji per 1,000 characters.

Transitions0.05

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
68%
Across 28 responses

Favorites

Blade Runner

Movie

Blade Runner

19827.9
Dark Side Of The Moon

Album

Dark Side Of The Moon

suisside
The Left Hand of Darkness

Book

The Left Hand of Darkness

Ursula K. Le Guin
Kyoto

City

Kyoto

Japan
Outer Wilds

Game

Outer Wilds

Indie, Adventure4.4
Sponsored

Model Responses

54 outputs · $0.11 tracked across 19 receipts

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

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Editable skills for interface polish and interaction.

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Kimi K2 vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...