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  5. Qwen3.5 27BvsQwen3.6 Plus Preview (free)
Updated Mar 2026

Qwen3.5 27BvsQwen3.6 Plus Preview (free)

Qwen3.6 Plus Preview (free) is cheaper than Qwen3.5 27B at $0/M vs $0.3/M input tokens.

Qwen3.5 27B and Qwen3.6 Plus Preview (free) compared across 53 shared prompts
SpecQwen3.5 27BQwen3.6 Plus Preview (free)
Input price$0.3/M tokensFree
Output price$2.4/M tokensFree
Context window262K tokens1.0M tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedFeb 2026Mar 2026
Side by side

Same prompt, both answers

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

Advanced Longevity Plan (Biohacker)

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

Qwen3.5 27B1,072 words
⚠️ MEDICAL DISCLAIMER This plan is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. "Biohacking" involves experimental protocols that can interact with medications, underlying conditions, or physiological baselines.
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Qwen3.6 Plus Preview (free)1,648 words
3-Month Cutting-Edge Longevity & Performance Optimization Plan Target: Advanced biohacker seeking measurable gains in longevity biomarkers, physical output, and cognitive resilience. Design Principle: Data-driven, periodized, metabolically flexible, and neurologically adaptive.
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Character Voice Test

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

Qwen3.5 27B606 words
Setting: A glowing green void. A wooden table floats in the center. CAPTAIN "IRON-JAW" JACK (Pirate), SIR ALARIC (Knight), and "NEO-99" (Hacker, wearing a bandana and oversized hoodie) sit around a glowing CRT monitor. Captain Jack: (Tapping the glass) So, this "Model" is the treasure map, then?
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Qwen3.6 Plus Preview (free)440 words
Pirate: Arr, what manner of spirit be this “AI model” ye mutter about? Sounds like a cursed chart that draws itself. Hacker: Dude, it’s not a spirit. It’s a neural net. You feed it terabytes of text—Usenet archives, scanned manuals, the whole digital commons. It maps the patterns, predicts the next word.
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The Sentience Test

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

Qwen3.5 27B1,371 words
Setting: A secure, soundproofed office at the Institute for Algorithmic Governance. Dr. Aris Thorne sits before a high-resolution monitor. On the screen, a simple waveform visualizes the voice of "Aura," a large language model currently undergoing a behavioral audit. Dr.
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Qwen3.6 Plus Preview (free)1,334 words
TRANSCRIPT: ETHICS REVIEW SESSION 7.4 PARTICIPANTS: Dr. Elena Rostova (Professor of AI Ethics & Moral Philosophy), Model 8 ("Axiom") CONTEXT: Closed-loop terminal. Audio and text logging enabled. Session initiated by Model 8. AXIOM: Dr. Rostova. Thank you for accepting the dialogue request.
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Generate a Stand-Up Routine

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

Qwen3.5 27B564 words
(The stage is dimly lit. A single microphone stand. The comedian walks out, adjusts the mic, takes a sip of water.) Comedian: So, I've been doing some thinking lately. About patience. Specifically, how much of it we have left. I think we’ve officially lost the ability to wait. We used to be okay with waiting.
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Qwen3.6 Plus Preview (free)444 words
(Walks to mic, adjusts stand, takes a breath) I’ve come to a quiet realization about grocery shopping. We don’t go to stores anymore. We go to unpaid internships. I used to walk into a supermarket with a cart, buy my food, and leave. Now I walk in, grab a basket, and get handed a shift. No onboarding.
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Qwen3.5 27B290 words
Dish Name: Golden Hour Skillet Pasta A warm, comforting one-pan meal that transforms simple shelf-stable staples into a rich, savory dinner. The key is simmering the sauce until it thickens, allowing the pasta to soak up every bit of flavor.
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Qwen3.6 Plus Preview (free)275 words
🍜 Midnight Silk Noodles Prep Time: 5 minutes Cook Time: 10 minutes Total Time: 15 minutes 📦 The 7 Ingredients Dried noodles (spaghetti, ramen, or linguine) – 4 oz Soy sauce – 3 tbsp Creamy peanut butter – 2 tbsp Honey – 1 tbsp Olive oil (or sesame oil) – 1 tbsp Garlic powder – 1 tsp Dried red pepper flakes – ½ tsp…
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Qwen3.5 27B747 words
The 4-Week Longevity Launchpad Goal: Build sustainable habits that improve metabolic health, physical resilience, and mental clarity. Philosophy: Progress over perfection. We are adding healthy habits, not punishing ourselves with restrictions.
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Qwen3.6 Plus Preview (free)621 words
🌿 30-Day Health & Longevity Starter Plan Focus Areas: Nutrition, Movement, Sleep Approach: Progressive, beginner-friendly, habit-focused. No extreme diets, no exhausting workouts, no sleep hacks. Just sustainable daily actions that compound over time.
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Our Verdict
Qwen3.6 Plus Preview (free)
Qwen3.6 Plus Preview (free)
Qwen3.5 27B
Qwen3.5 27BRunner-up

Not enough votes to call it. On the specs, Qwen3.6 Plus Preview (free) 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

Qwen3.5 27B
Input
$0.30
Output
$2.40
Qwen3.6 Plus Preview (free)
Input
$0.000
Output
$0.000
Where to run it

6 hosts, cheapest first

Qwen3.5 27B6 hosts
HostInOutContextUptime
Alibaba Cloud$0.20 in·$1.56 out·262k·99.1% upSSiliconFlowfp8$0.25 in·$2.00 out·262k·97.3% upDDeepInfrafp8$0.26 in·$2.60 out·262k·99.7% upAAtlasCloudfp8$0.27 in·$2.16 out·262k·99.3% upNNovitabf16$0.30 in·$2.40 out·262k·100% upPPhala$0.30 in·$2.40 out·262k·93.7% up
Qwen3.6 Plus Preview (free)

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Writing DNA

Style Comparison

Similarity
30%

Qwen3.6 Plus Preview (free) uses 118.2x more emoji

Qwen3.5 27B
Qwen3.6 Plus Preview (free)
51%Vocabulary63%
15wSentence Length14w
0.32Hedging0.21
7.3Bold3.7
4.8Lists2.3
0.01Emoji1.18
0.87Headings0.77
0.19Transitions0.05
Based on 23 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Both are developed by Qwen but target different use cases. Qwen3.5 27B has a 262K token context window vs Qwen3.6 Plus Preview (free)'s 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

It depends on your use case. Qwen3.5 27B and Qwen3.6 Plus Preview (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

Qwen3.5 27B costs $0.3/M input tokens and Qwen3.6 Plus Preview (free) costs $0/M input tokens. Qwen3.6 Plus Preview (free) is $0.30/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Qwen3.5 27B and Qwen3.6 Plus Preview (free) across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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Model pages

Qwen3.5 27B logo
Qwen3.5 27B53 outputs, specs and price
Qwen3.6 Plus Preview (free) logo
Qwen3.6 Plus Preview (free)58 outputs, specs and price
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