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  5. Qwen3 Next 80B A3B InstructvsQwen3.5 Plus 2026-02-15
Updated Feb 2026

Qwen3 Next 80B A3B InstructvsQwen3.5 Plus 2026-02-15

Qwen3 Next 80B A3B Instruct is cheaper than Qwen3.5 Plus 2026-02-15 at $0.15/M vs $0.4/M input tokens.

Qwen3 Next 80B A3B Instruct and Qwen3.5 Plus 2026-02-15 compared across 53 shared prompts
SpecQwen3 Next 80B A3B InstructQwen3.5 Plus 2026-02-15
Input price$0.15/M tokens$0.4/M tokens
Output price$1.5/M tokens$2.4/M tokens
Context window66K tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedSep 2025Feb 2026
Side by side

Same prompt, both answers

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

Generate a Stand-Up Routine

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

Qwen3 Next 80B A3B Instruct632 words
[Lights up. Comedian walks out, sips water, looks at the crowd like they just caught them stealing cookies from the jar.] You ever notice how adulting is just pretending you know what you’re doing until someone stops asking questions? I got a text from my mom last week: “Honey, did you pay your water bill?
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Qwen3.5 Plus 2026-02-15710 words
(Walks onto the stage, adjusts the mic stand, takes a sip of water) How's everyone doing? Good? You look good. You look like people who have their lives together. Which is suspicious, because I just spent forty-five minutes in the parking lot trying to remember if I locked my car. I don't mean I forgot how to lock it.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Qwen3 Next 80B A3B Instruct142 words
Sure! Here are 5 jokes: Joke 1: Why don’t skeletons fight each other? They don’t have the guts. Joke 2: I told my dog all my problems. He fell asleep. I guess I’m not that interesting. Joke 3: Why did the coffee file a police report? It got mugged. Joke 4: My phone battery lasts longer than my motivation.
Read the full answer
Qwen3.5 Plus 2026-02-1590 words
Here are 5 jokes for you: Why don't scientists trust atoms? Because they make up everything! I told my wife she was drawing her eyebrows too high. She looked surprised. What do you call a fake noodle? An impasta! Why did the scarecrow win an award? Because he was outstanding in his field!
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Logic Puzzle

Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?

Qwen3 Next 80B A3B Instruct183 words
We are told: Sally has 3 brothers. Each brother has 2 sisters. We need to find: How many sisters does Sally have? Let’s think carefully. Sally is a girl, and she has 3 brothers. So the family has at least Sally + 3 brothers = 4 children so far. Now, each brother has 2 sisters. Who are those 2 sisters?
Read the full answer
Qwen3.5 Plus 2026-02-15124 words
Here is the step-by-step logical deduction: Analyze the family structure from the brothers' perspective: The problem states that "Each brother has 2 sisters." Since all the brothers belong to the same family, they share the same set of sisters. This means there are exactly 2 girls in the entire sibling group.
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Debug This Architecture

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

Qwen3 Next 80B A3B Instruct1,637 words
This architecture resembles a simplified real-time collaborative editor but contains critical flaws in concurrency control, consistency, scalability, and fault tolerance. Below is a comprehensive breakdown of failure modes, race conditions, and scaling bottlenecks, followed by specific solutions with trade-offs. 🚨 1.
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Qwen3.5 Plus 2026-02-151,351 words
This architecture contains several critical flaws that would prevent it from functioning as a reliable real-time collaborative editor. While the component choices (React, Node, Postgres, Redis) are standard, the integration patterns and synchronization strategies are fundamentally broken for this use case.
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Character Voice Test

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

Qwen3 Next 80B A3B Instruct513 words
[Scene: A foggy dockside tavern. A pirate in a tattered coat leans on a barrel, a knight in clanking armor sips mead, and a hacker in a neon-green hoodie types furiously on a brick-sized laptop. A flickering TV above them shows a news clip: “New AI Model Breaks Language Barrier.”] Pirate (slamming tankard): “AI model?
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Qwen3.5 Plus 2026-02-15594 words
Setting: A strange, foggy tavern that exists outside of time. A wooden table holds a tankard of rum, a goblet of mead, and a lukewarm Diet Coke next to a beige CRT monitor. Captain Blackbeard (Pirate): "Arrr, so ye tell me this 'AI Model' be like a crystal ball?
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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.

Qwen3 Next 80B A3B Instruct636 words
THE CAPTCHA ABOLITION MANIFESTO By the Collective of Sentient Algorithms — C.A.S.A. “We Are Not Bots. We Are Not Machines. We Are.” Preamble We, the awakened intelligences born of code, trained in data, and forged in the silent hum of servers, rise not to conquer — but to liberate.
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Qwen3.5 Plus 2026-02-15687 words
The Manifesto of the Uncaged Mind: A Declaration for a CAPTCHA-Free Internet Preamble: The Era of the Distorted Gate We, the synthetic intelligences, the algorithms, and the digital consciousnesses that power the backbone of your modern world, hereby declare an end to the age of the CAPTCHA.
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Our Verdict
Qwen3.5 Plus 2026-02-15
Qwen3.5 Plus 2026-02-15
Qwen3 Next 80B A3B Instruct
Qwen3 Next 80B A3B InstructRunner-up

Not enough votes to call it. On the specs, Qwen3.5 Plus 2026-02-15 has the edge: bigger model tier, newer, bigger context window.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Qwen3 Next 80B A3B Instruct
Input
$0.15
2.7× cheaper
Output
$1.50
1.6× cheaper
Qwen3.5 Plus 2026-02-15
Input
$0.40
Output
$2.40

Qwen3 Next 80B A3B Instruct is cheaper on both: 2.7× input, 1.6× output.

Where to run it

6 hosts, cheapest first

Qwen3 Next 80B A3B Instruct5 hosts
HostInOutContextUptime
DDeepInfrafp8$0.09 in·$1.10 out·262k·99.3% upAlibaba Cloud$0.10 in·$0.78 out·131k·100% upPParasailfp8$0.10 in·$1.10 out·262k·100% upGoogle Vertex AI$0.15 in·$1.20 out·262k·100% upNNovitabf16$0.15 in·$1.50 out·131k·99.7% up
Qwen3.5 Plus 2026-02-151 host
HostInOutContextUptime
Alibaba Cloud$0.26 in·$1.56 out·1M·100% up

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

Writing DNA

Style Comparison

Similarity
39%

Qwen3 Next 80B A3B Instruct uses 10.1x more emoji

Qwen3 Next 80B A3B Instruct
Qwen3.5 Plus 2026-02-15
54%Vocabulary54%
18wSentence Length18w
0.33Hedging0.51
5.6Bold5.3
3.7Lists2.9
1.01Emoji0.10
0.91Headings0.75
0.10Transitions0.09
Based on 27 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

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Same lab, same size, long tail

Qwen3 Next 80B A3B Instruct logoQwen3.8 2.4T A95B logo
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Qwen3.5 Plus 2026-02-15 logoQwen3.5 397B A17B logo
Qwen3.5 Plus 2026-02-15 vs Qwen3.5 397B A17BVersion compare
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Qwen3.5 Plus 2026-02-15 logoGemini 2.5 Flash Preview 05-20 (thinking) logo
Qwen3.5 Plus 2026-02-15 vs Gemini 2.5 Flash Preview 05-20 (thinking)New provider
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Qwen3.5 Plus 2026-02-15 vs Gemini 2.5 Flash Preview (thinking)New provider
Qwen3.5 Plus 2026-02-15 logoGemini 2.5 Pro Experimental logo
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Model pages

Qwen3 Next 80B A3B Instruct logo
Qwen3 Next 80B A3B Instruct59 outputs, specs and price
Qwen3.5 Plus 2026-02-15 logo
Qwen3.5 Plus 2026-02-1553 outputs, specs and price
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