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  5. Claude Sonnet 3.6 (2022-10-22)vsQwen3.5 Flash
Updated Feb 2026

Claude Sonnet 3.6 (2022-10-22)vsQwen3.5 Flash

Qwen3.5 Flash is cheaper than Claude Sonnet 3.6 (2022-10-22) at $0.1/M vs $3/M input tokens.

Claude Sonnet 3.6 (2022-10-22) and Qwen3.5 Flash compared across 53 shared prompts
SpecClaude Sonnet 3.6 (2022-10-22)Qwen3.5 Flash
Input price$3/M tokens$0.1/M tokens
Output price$15/M tokens$0.4/M tokens
Context window200K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2024Feb 2026
Side by side

Same prompt, both answers

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

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Claude Sonnet 3.6 (2022-10-22)103 words
Let me help you write code to generate jokes and check their uniqueness. Here's a Python script that does this: When you run this code, it will: Create a list of sample jokes Randomly select 5 jokes from the list Print each selected joke Count and display how many unique jokes were selected Since we're using…
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Qwen3.5 Flash96 words
Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field. What do you call a fake noodle? An impasta. Why don't scientists trust atoms? Because they make up everything. What do you call a bear with no teeth? A gummy bear. Why did the bicycle fall over? Because it was two-tired.
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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…

Claude Sonnet 3.6 (2022-10-22)142 words
Crunchy Cinnamon Cloud Cookies Total time: 25 minutes Prep time: 10 minutes Bake time: 15 minutes Ingredients: 2 egg whites 1/2 cup granulated sugar 1/4 teaspoon ground cinnamon 1/4 teaspoon vanilla extract Pinch of salt 1/2 cup all-purpose flour 1/4 cup butter, melted Instructions: Preheat oven to 325°F (165°C).
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Qwen3.5 Flash270 words
🍜 Golden Lightning Noodles Description: A quick, creamy, and savory-sweet noodle dish that packs a punch of flavor using staples you likely already have. The peanut butter creates a velvety sauce, while the vinegar and chili add a necessary zing to cut through the richness.
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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…

Claude Sonnet 3.6 (2022-10-22)207 words
Here's a practical 1-month plan focusing on nutrition, sleep, and movement - three foundational areas that work together to support better health and longevity: NUTRITION Week 1: Focus on eating more whole foods Replace one processed food item per day with a whole food alternative Add one serving of vegetables to your…
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Qwen3.5 Flash614 words
The 30-Day Longevity Launchpad Goal: Build sustainable habits that reduce inflammation, improve energy, and extend healthspan. Mindset: Consistency beats intensity. Do not aim for perfection; aim for showing up. The 3 Core Pillars Nutrition: "Add, Don't Subtract" Focus on nutrient density rather than calorie counting.
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Character Voice Test

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

Claude Sonnet 3.6 (2022-10-22)194 words
Pirate: "Yarr, these newfangled AI models be like a treasure map that writes itself!" Knight: "Verily, I say these mechanical minds possess powers most mystical. Though I trust not their sorcery." Hacker: "Dude, they're just transformers running on some seriously rad matrix math.
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Qwen3.5 Flash525 words
Setting: A smoky tavern table in a timeless void. A glowing 1990s CRT monitor sits in the center. A floppy disk rests beside a cutlass and a sword. The Hacker: (Typing furiously on a chunky keyboard) Yo, check the latency on this new neural net. It's totally wired.
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Advanced Longevity Plan (Biohacker)

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

Claude Sonnet 3.6 (2022-10-22)471 words
Here's a comprehensive 3-month longevity optimization plan: MONTH-BY-MONTH BREAKDOWN Month 1: Foundation Building Focus: Establishing baseline metrics and core habits Key areas: Diet adaptation, basic supplementation, exercise introduction Month 2: Protocol Intensification Focus: Optimizing interventions and increasing…
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Qwen3.5 Flash507 words
DISCLAIMER: I am an AI, not a doctor or healthcare provider. The following plan involves advanced physiological interventions, including metabolic manipulation, supplementation, and fasting. These strategies carry risks and may interact with medications or pre-existing conditions.
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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Claude Sonnet 3.6 (2022-10-22)512 words
INVESTMENT COMMITTEE MEMO: LedgerLift (LLLT) RECOMMENDATION: LONG PT Range: $52-78 Risk/Reward: +70%/-25% Thesis: LedgerLift represents a compelling long opportunity in the B2B spend management space, combining best-in-class unit economics (123% NRR, 18-month CAC payback) with significant operating leverage potential…
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Qwen3.5 Flash600 words
TO: Investment Committee FROM: Equity Research Team DATE: October 26, 2025 SUBJECT: LedgerLift (LLLL) – Long Recommendation Recommendation & Thesis Recommendation: Long Price Target: $52 – $58 (12-month range) Thesis: LedgerLift is a high-quality B2B SaaS compounder trading at a discount to peers (7.4x FY26 NTM Rev vs.
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Our Verdict
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)
Qwen3.5 Flash
Qwen3.5 Flash

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

Qwen3.5 Flash costs 38x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
Qwen3.5 Flash
Input
$0.10
30× cheaper
Output
$0.40
38× cheaper

Qwen3.5 Flash is cheaper on both: 30× input, 38× output.

Where to run it

1 host

Claude Sonnet 3.6 (2022-10-22)

No hosts listed on OpenRouter.

Qwen3.5 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.07 in·$0.26 out·1M·100% up

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

Writing DNA

Style Comparison

Similarity
40%

Qwen3.5 Flash uses 2.5x more emoji

Claude Sonnet 3.6 (2022-10-22)
Qwen3.5 Flash
67%Vocabulary50%
64wSentence Length14w
0.70Hedging0.35
0.3Bold6.9
8.1Lists4.2
0.00Emoji0.03
0.05Headings1.00
0.07Transitions0.15
Based on 26 + 23 text responses
Research

What we learned reading every model

FAQ

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Model pages

Claude Sonnet 3.6 (2022-10-22) logo
Claude Sonnet 3.6 (2022-10-22)59 outputs, specs and price
Qwen3.5 Flash logo
Qwen3.5 Flash53 outputs, specs and price
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