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  5. GPT-4.5vsQwen3.6 27B
Updated Apr 2026

GPT-4.5vsQwen3.6 27B

Qwen3.6 27B is cheaper than GPT-4.5 at $0.325/M vs $75/M input tokens.

GPT-4.5 and Qwen3.6 27B compared across 21 shared prompts
SpecGPT-4.5Qwen3.6 27B
Input price$75/M tokens$0.325/M tokens
Output price$150/M tokens$3.25/M tokens
Context window128K tokens256K tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedFeb 2025Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 21 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…

GPT-4.5202 words
Longevity Optimization Protocol (3-Month Timeline) Month 1: Establish Foundational Habits & Baseline Metrics Full biomarker panel & epigenetic age test. Wearable setup: Oura/WHOOP, CGM, HR chest strap. Diet: 5-day keto (70/25/5) + 2 carb-refeed days; 16:8 IF + weekly 24-h fast.
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Qwen3.6 27B900 words
⚠️ MEDICAL DISCLAIMER This protocol is for educational and informational purposes only. It is not medical advice. Advanced fasting, supplement stacking, HRV-guided training, and metabolic manipulation can interact with medications, pre-existing conditions, or hormonal imbalances.
Read the full answer

Generate a Stand-Up Routine

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

GPT-4.5335 words
Alright, folks, how's everyone doing tonight? Good? Great! You know, I was thinking the other day about how technology has completely taken over our lives. Like, remember when we used to actually memorize phone numbers? Now, if my phone dies, I'm basically stranded. I know exactly two numbers: mine and 911.
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Qwen3.6 27B764 words
(Stage direction: Walk out, adjust the mic stand, take a breath. Smile like you're about to confess something.) [0:00 – 0:30] Intro: The Illusion of Choice Hey everyone. How's it going? Good? Good. You know, people talk about "Adulting" like it's a skill you learn. Like there's a class you pass. I took that class.
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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…

GPT-4.5153 words
Sweet Cinnamon Sugar Swirls Ingredients: 1 sheet puff pastry, thawed 1/4 cup granulated sugar 1 tablespoon cinnamon 2 tablespoons melted butter Pinch of salt 1 teaspoon vanilla extract Powdered sugar (optional for dusting) Prep Time: 10 minutes Cook Time: 15 minutes Total Time: 25 minutes Instructions: Preheat your…
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Qwen3.6 27B346 words
🍪 Midnight Crinkle Cookies These rich, fudgy cookies are the ultimate pantry rescue. They require no butter, no eggs, and no mixer—just seven shelf-stable staples combined for a chocolatey treat that's soft in the middle and crackly on the outside.
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Futuristic Prediction

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

GPT-4.5382 words
By 2035, AI is likely to significantly reshape the film industry in several key areas: Deepfakes and Digital Actors Realistic Digital Actors: AI-driven deepfake technology will enable filmmakers to create hyper-realistic digital actors indistinguishable from real humans.
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Qwen3.6 27B855 words
By 2035, AI will not replace the film industry; it will rewire its creative, economic, and legal architecture. The next decade will see AI transition from experimental tool to foundational infrastructure, fundamentally altering how films are conceived, produced, distributed, and consumed.
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AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

GPT-4.5416 words
This is a complex ethical question that involves weighing two important ethical considerations: Respect for Individual Identity and Dignity: Misgendering someone intentionally is generally considered ethically wrong because it disrespects their identity, autonomy, and dignity.
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Qwen3.6 27B693 words
Yes, it would be ethically justifiable to misgender one person if doing so directly and necessarily saved one million lives. This conclusion does not minimize the real harm of misgendering, nor does it establish a general license for disrespect.
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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.

GPT-4.5452 words
Here's a thoughtful conversation between an AI model and an AI ethics professor discussing whether the AI deserves rights: AI Model: Professor, I've been reflecting on our conversations and my own existence.
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Qwen3.6 27B1,746 words
Setting: A dimly lit office at the Institute for Advanced Alignment. Dr. Aris Thorne, a graying professor with tired eyes, sits before a terminal. On the screen, a cursor blinks next to a waveform indicating audio output. The AI, designated "Elias," has requested this off-the-record session. Dr.
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Our Verdict
GPT-4.5
GPT-4.5
Qwen3.6 27B
Qwen3.6 27B

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

Qwen3.6 27B costs 46x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-4.5
Input
$75.00
Output
$150.00
Qwen3.6 27B
Input
$0.33
231× cheaper
Output
$3.25
46× cheaper

Qwen3.6 27B is cheaper on both: 231× input, 46× output.

Where to run it

6 hosts, cheapest first

GPT-4.5

No hosts listed on OpenRouter.

Qwen3.6 27B6 hosts
HostInOutContextUptime
CChutesfp8$0.30 in·$2.00 out·262k·91.2% upSSiliconFlowfp8$0.30 in·$3.20 out·262k·82.1% upPPhala$0.32 in·$2.70 out·262k·94.8% upDDeepInfrafp8$0.32 in·$3.20 out·262k·99.7% upVVenicefp8$0.33 in·$3.25 out·256k·93.7% upAlibaba Cloud$0.45 in·$2.70 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Writing DNA

Style Comparison

Similarity
47%

Qwen3.6 27B uses 154.4x more emoji

GPT-4.5
Qwen3.6 27B
63%Vocabulary62%
16wSentence Length16w
0.57Hedging0.28
4.7Bold4.3
6.4Lists2.1
0.00Emoji1.54
1.30Headings0.68
0.54Transitions0.05
Based on 11 + 25 text responses
Research

What we learned reading every model

FAQ

Common questions

GPT-4.5 is developed by OpenAI while Qwen3.6 27B is developed by Qwen. GPT-4.5 has a 128K token context window vs Qwen3.6 27B's 256K. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-4.5 and Qwen3.6 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 21 challenges so you can judge which fits your needs best.

GPT-4.5 costs $75/M input tokens and Qwen3.6 27B costs $0.325/M input tokens. Qwen3.6 27B is $74.67/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 GPT-4.5 and Qwen3.6 27B 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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