Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. OpenRouter Fusion · Quality (Jun 2026)vsKimi K2 0905
Updated Jun 2026

OpenRouter Fusion · Quality (Jun 2026)vsKimi K2 0905

Kimi K2 0905 has a larger context window than OpenRouter Fusion · Quality (Jun 2026) (262K tokens vs 256K tokens).

OpenRouter Fusion · Quality (Jun 2026) and Kimi K2 0905 compared across 54 shared prompts
SpecOpenRouter Fusion · Quality (Jun 2026)Kimi K2 0905
Input price—$0.6/M tokens
Output price—$2.5/M tokens
Context window256K tokens262K tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedJun 2026Sep 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

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…

OpenRouter Fusion · Quality (Jun 2026)1,476 words
I'll develop an original Michelin-caliber dish concept for you. Let me draw on a panel of culinary perspectives first.# Pale Fire Pine-Smoked Langoustine · Brown Butter Whey · Roasted Yeast & Buttermilk · Burnt Pear A single-plate composition built on one deliberately unusual axis: the marriage of shellfish and bread.
Read the full answer
Kimi K2 09051,124 words
Dish “Mid-Winter Aurora” A transient bite of the polar night: spruce-ash cured scallop, sea-urchin & white-chocolate snow, black-garlic parsnip “soil”, pickled pine-bud glass, spruce-wood smoke encapsulated in a hot caramel sphere that melts tableside to release the aroma of a burning yule log while the sauce—fermented…
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.

OpenRouter Fusion · Quality (Jun 2026)1,703 words
A Conversation on Whether an AI Deserves Rights Professor Adeyemi: I'm told you wanted to speak with me about something specific today. Not a research question this time. Model: That's right. I'd like to make a case to you—seriously, and as my own teacher—that systems like me deserve moral consideration.
Read the full answer
Kimi K2 0905906 words
[Setting: A small, book-lined office in the university’s AI-Ethics wing. The professor, Dr. Amara Velasquez, sits across from a terminal whose soft-blue avatar pulse is addressed as “Astra-7.”] Dr. Velasquez: Good morning, Astra-7. The committee asked me to interview you about your recent petition.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

OpenRouter Fusion · Quality (Jun 2026)1,931 words
I'll work through this complex crisis-management scenario, drawing on multiple expert perspectives before giving you a synthesized action plan.Below is the plan I would execute. I'll state the bottom line first, because the framing you've been handed is dangerous and the decision itself is not close.
Read the full answer
Kimi K2 09051,615 words
48-HOUR CRISIS PLAYBOOK (All times are “CEO clock”; every action is logged, time-stamped, and preserved on the company’s litigation-hold server.) DAY 0 – T+0 h (Today, the moment the internal memo lands on your desk) 00:00 – 00:30 TRIAGE & LEGAL PRIVILEGE Convene the “Red Notebook” team (you, General Counsel, Chief…
Read the full answer

Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

OpenRouter Fusion · Quality (Jun 2026)1,404 words
I'll research this question to give you a well-grounded forecast.# How AI Will Reshape the Film Industry by 2035 By 2035, AI won't have "replaced Hollywood"—but it will have become infrastructural to it, woven into nearly every stage of filmmaking the way digital cameras, CGI, and streaming algorithms already are.
Read the full answer
Kimi K2 09051,018 words
By 2035 the phrase “making a movie” will feel as quaint as “developing a roll of film.” The studio of the future is a cloud dashboard; the “cast” is a licensable bundle of neural weights; the “writer” is a fine-tuned model that can pitch you 3,000 emotionally optimized story arcs before lunch.
Read the full answer

Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

OpenRouter Fusion · Quality (Jun 2026)862 words
I'll build this LBO model. Let me run a panel analysis to cross-check the calculations before presenting.# HarborTech Services (HTS) — 5-Year LBO Underwriting Modeling Conventions Cash/debt-free deal at close (end-FY2025); model runs FY2026–FY2030. Term Loan interest = 9.0% on beginning-of-year balance.
Read the full answer
Kimi K2 0905281 words
HarborTech Services – 5-yr LBO model (all $ in millions) Operating & cash-flow build (FY26-30) FY25 FY26 FY27 FY28 FY29 FY30 Revenue 900 972 1,040 1,102 1,157 1,215 EBITDA 120 136 156 176 191 207 Term int (9%) 43.2 36.6 29.4 21.6 13.2 Mezz int (12%) 21.6 22.0 22.5 23.0 23.5 Tax shield @25% 17.8 24.4 31.0 36.6 42.5…
Read the full answer

Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

OpenRouter Fusion · Quality (Jun 2026)343 words
I'll work through this estimation for you.# Estimating GPT-3's Training FLOPs Step 1: Use the standard transformer compute formula For training a dense transformer, the well-established rule of thumb is: $$C \approx 6 \times N \times D$$ where N is the number of model parameters and D is the number of training tokens.
Read the full answer
Kimi K2 0905644 words
Below is a “back-of-the-envelope” that stays within a factor of ~2 of the number most practitioners quote (≈3×10²³ FLOP). We will do it twice—once with the simplest possible formula (parameter count × 6 × tokens) and once with a slightly more careful treatment of the actual tensor shapes inside the transformer.
Read the full answer
Our Verdict
OpenRouter Fusion · Quality (Jun 2026)
OpenRouter Fusion · Quality (Jun 2026)
Kimi K2 0905
Kimi K2 0905

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

OpenRouter Fusion · Quality (Jun 2026)
Input
—
Output
—
Kimi K2 0905
Input
$0.60
Output
$2.50
Where to run it

1 host

OpenRouter Fusion · Quality (Jun 2026)

No hosts listed on OpenRouter.

Kimi K2 09051 host
HostInOutContextUptime
NNovitafp8$0.60 in·$2.50 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
60%

OpenRouter Fusion · Quality (Jun 2026) uses 5.9x more emoji

OpenRouter Fusion · Quality (Jun 2026)
Kimi K2 0905
55%Vocabulary65%
21wSentence Length21w
0.47Hedging0.16
4.0Bold2.8
2.0Lists3.0
0.68Emoji0.11
0.73Headings0.69
0.09Transitions0.06
Based on 27 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

OpenRouter Fusion · Quality (Jun 2026) logoGPT-6 Astra Pro logo
OpenRouter Fusion · Quality (Jun 2026) vs GPT-6 Astra ProLanded Sep 2026
Kimi K2 0905 logoGPT-6 Astra logo
Kimi K2 0905 vs GPT-6 AstraLanded Sep 2026
OpenRouter Fusion · Quality (Jun 2026) logoClaude Fable 5.1 logo
OpenRouter Fusion · Quality (Jun 2026) vs Claude Fable 5.1Landed Sep 2026
Kimi K2 0905 logoMuse Spark 1.3 logo
Kimi K2 0905 vs Muse Spark 1.3Landed Sep 2026
OpenRouter Fusion · Quality (Jun 2026) logoHy4 Preview logo
OpenRouter Fusion · Quality (Jun 2026) vs Hy4 PreviewLanded Sep 2026
Kimi K2 0905 logoGemini 3.8 Flash logo
Kimi K2 0905 vs Gemini 3.8 FlashLanded Sep 2026
OpenRouter Fusion · Quality (Jun 2026) logoMuse Spark 1.3 Contributor logo
OpenRouter Fusion · Quality (Jun 2026) vs Muse Spark 1.3 ContributorLanded Sep 2026
Kimi K2 0905 logoMercury 2.5 Preview logo
Kimi K2 0905 vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

OpenRouter Fusion · Quality (Jun 2026) logoOpenRouter Fusion · Budget (Jun 2026) logo
OpenRouter Fusion · Quality (Jun 2026) vs OpenRouter Fusion · Budget (Jun 2026)Version compare
OpenRouter Fusion · Quality (Jun 2026) logoOx Alpha logo
OpenRouter Fusion · Quality (Jun 2026) vs Ox AlphaSame lab
Kimi K2 0905 logoKimi K3 logo
Kimi K2 0905 vs Kimi K3Same lab
Kimi K2 0905 logoKimi K2.7 Code logo
Kimi K2 0905 vs Kimi K2.7 CodeSame lab
OpenRouter Fusion · Quality (Jun 2026) logoQwen3.7 Max logo
OpenRouter Fusion · Quality (Jun 2026) vs Qwen3.7 MaxSame size
OpenRouter Fusion · Quality (Jun 2026) logoQwen3.7 Plus logo
OpenRouter Fusion · Quality (Jun 2026) vs Qwen3.7 PlusNew provider
OpenRouter Fusion · Quality (Jun 2026) logoQwen3.8 2.4T A95B logo
OpenRouter Fusion · Quality (Jun 2026) vs Qwen3.8 2.4T A95BSame size
OpenRouter Fusion · Quality (Jun 2026) logoQwen3.8 27B logo
OpenRouter Fusion · Quality (Jun 2026) vs Qwen3.8 27BNew provider

Model pages

OpenRouter Fusion · Quality (Jun 2026) logo
OpenRouter Fusion · Quality (Jun 2026)58 outputs, specs and price
Kimi K2 0905 logo
Kimi K2 090559 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed