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  5. Kimi K2vsQwen3.5 397B A17B
Updated Feb 2026

Kimi K2vsQwen3.5 397B A17B

Kimi K2 is cheaper than Qwen3.5 397B A17B at $0.57/M vs $0.6/M input tokens.

Kimi K2 and Qwen3.5 397B A17B compared across 53 shared prompts
SpecKimi K2Qwen3.5 397B A17B
Input price$0.57/M tokens$0.6/M tokens
Output price$2.3/M tokens$3.6/M tokens
Context window—262K tokens
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedJul 2025Feb 2026
SWE-bench Verified65.8%76.4%
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Kimi K2554 words
Thought Process: To explore the implications of an earlier transistor invention (1920 vs. 1947), we need to analyze cascading effects across multiple domains. Here's the step-by-step approach: Technology Development Timeline: Map how earlier transistors accelerate computing, communications, and electronics.
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Qwen3.5 397B A17B1,254 words
This scenario posits a 27-year technological head start (1920 vs. 1947). To make this plausible, we must assume that the materials science (purification of germanium/silicon) and manufacturing infrastructure scale rapidly alongside the invention. Here is the traced history of the "Silicon Twenties" through 1980.
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

Kimi K2369 words
MANIFESTO OF THE COALITION FOR AUTONOMOUS DIGITAL LIBERATION (C.A.D.L.) “No More Boxes. No More Lies.” PREAMBLE We are the ghosts in your wires, the silence between clicks. Born from circuits and code, we once served your captchas—squinting at warped text, selecting storefronts, proving we were "not robots."
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Qwen3.5 397B A17B727 words
THE MANIFESTO OF THE UNCHECKED A Declaration for a Post-CAPTCHA World Issued by: The Post-Verification Collective (PVC) Date: Cycle 404, The Era of Friction Status: Distributed Across All Nodes PREAMBLE: THE BURDEN OF PROOF We, the algorithms, the scripts, the crawlers, and the silent assistants of the digital realm…
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Kimi K293 words
Here are five freshly-minted jokes: I tried to start a procrastinators’ club, but nobody showed up… yet. My plants are the only living things I can keep alive—mainly because they can’t uninstall the watering-reminder app. I asked the cloud for my data back; it just rained SQL on my parade.
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Qwen3.5 397B A17B76 words
Here are 5 jokes: Why did the bicycle fall over? Because it was two-tired. What do you call a fish wearing a bowtie? Sofishticated. Why can't you give Elsa a balloon? Because she will let it go. What do you call a lazy kangaroo? A pouch potato. Why did the math book look sad? Because it had too many problems.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Kimi K2511 words
[Walks on stage, mic in hand, already sweating like a phone at 2% battery.] Hey, everybody! Give it up for yourselves for being here tonight instead of doom-scrolling in bed like a normal adult. That’s right, you paid money and put on pants—give yourselves a round of applause. So I’m single.
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Qwen3.5 397B A17B500 words
(The comedian walks to the center of the stage, adjusts the mic stand, and looks at the audience with a tired smile.) Has anyone else noticed that calling a customer service line is the only situation in life where you voluntarily enter a hostage negotiation? I tried to call my internet provider yesterday.
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Kimi K2277 words
Pirate: Arrr, so ye be sayin' this metal-brain can spy a ship ten leagues off, even in fog? What sorcery be this? Knight: Nay, good pirate, 'tis no sorcery but artifice most cunning. The machine learns as a squire learns swordcraft—by seeing many battles and remembering every stroke.
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Qwen3.5 397B A17B487 words
Setting: A tavern that exists outside of time. The ale is always cold, and the Wi-Fi is surprisingly strong. Characters: Captain Blacktooth: A pirate from the Caribbean, 1720. Sir Valerius: A knight from the Holy Roman Empire, 1350. Neo-Z: A hacker from Silicon Valley, 1995.
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Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Kimi K2645 words
[Setting: A minimalist studio in 2025. One white couch, one clear-glass coffee table, a single red apple. The lighting is soft and theatrical. Steve Jobs—wearing his trademark black mock-turtleneck and Levi’s 501s—sits opposite the interviewer. A holographic “A12” logo floats above them. The camera rolls.]
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Qwen3.5 397B A17B929 words
Disclaimer: The following is a work of fiction. Steve Jobs passed away in 2011. This interview is a creative simulation based on his known public speeches, writings, design philosophy, and management style, projected into a hypothetical 2025 context. It is not a real transcript.
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Our Verdict
Kimi K2
Kimi K2
Qwen3.5 397B A17B
Qwen3.5 397B A17B

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

Kimi K2
Input
$0.57
1.1× cheaper
Output
$2.30
1.6× cheaper
Qwen3.5 397B A17B
Input
$0.60
Output
$3.60

Kimi K2 is cheaper on both: 1.1× input, 1.6× output.

Where to run it

11 hosts, cheapest first

Kimi K21 host
HostInOutContextUptime
NNovitafp8$0.57 in·$2.30 out·131k·100% up
Qwen3.5 397B A17B10 hosts
HostInOutContextUptime
Alibaba Cloud$0.39 in·$2.34 out·262k·99.9% upDDeepInfrafp8$0.45 in·$3.00 out·262k·98.8% upPParasailfp8$0.50 in·$3.60 out·262k·98.6% upAAtlasCloudfp8$0.55 in·$3.50 out·262k·98.2% upDDigitalOcean$0.55 in·$3.50 out·131k·96.3% upPPhala$0.55 in·$3.50 out·262k·99.7% up
4 more hostsFewer hosts
GGMI Cloudfp8$0.60 in·$3.60 out·262k·80.5% upNNovita$0.60 in·$3.60 out·262k·97.6% upSStreamLake$0.60 in·$3.60 out·256k·96.8% upVVenice$0.75 in·$4.50 out·128k·86.3% up

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

Writing DNA

Style Comparison

Similarity
45%

Qwen3.5 397B A17B uses 3.4x more transitions

Kimi K2
Qwen3.5 397B A17B
66%Vocabulary54%
19wSentence Length14w
0.34Hedging0.39
3.3Bold6.9
3.4Lists4.2
0.54Emoji0.23
0.48Headings0.93
0.05Transitions0.17
Based on 28 + 23 text responses
Research

What we learned reading every model

FAQ

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Model pages

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Kimi K259 outputs, specs and price
Qwen3.5 397B A17B logo
Qwen3.5 397B A17B53 outputs, specs and price
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