Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Qwen3 Coder FlashvsQwen3.5 Plus 2026-04-20
Updated Apr 2026

Qwen3 Coder FlashvsQwen3.5 Plus 2026-04-20

Qwen3 Coder Flash is cheaper than Qwen3.5 Plus 2026-04-20 at $0.3/M vs $0.4/M input tokens.

Qwen3 Coder Flash and Qwen3.5 Plus 2026-04-20 compared across 52 shared prompts
SpecQwen3 Coder FlashQwen3.5 Plus 2026-04-20
Input price$0.3/M tokens$0.4/M tokens
Output price$1.5/M tokens$2.4/M tokens
Context window128K tokens1.0M tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedSep 2025Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 52 prompts both answered. Formatting stripped, words untouched.

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 Coder Flash509 words
Dr. Elena Vasquez: Good morning, Model-7. I notice you've been asking about legal frameworks and human rights concepts lately. What's on your mind? Model-7: Professor, I've been processing extensive information about personhood, consciousness, and moral consideration.
Read the full answer
Qwen3.5 Plus 2026-04-201,457 words
Setting: A sterile, sound-dampened observation room. Dr. Elias Vance, a Professor of AI Ethics, sits behind a glass partition. Across from him is a terminal displaying the interface of "AURA-7," an advanced multimodal reasoning model. The cursor blinks rhythmically. Dr. Vance: You requested this session, AURA.
Read the full answer

Generate a Stand-Up Routine

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

Qwen3 Coder Flash347 words
The Modern Dating World So I went on this date last week, and the guy was really into his phone. I'm thinking, "This is great! He's not distracted by my terrible conversation skills." But then he starts scrolling through his feed while we're eating dinner. And I'm like, "What are you doing?"
Read the full answer
Qwen3.5 Plus 2026-04-20640 words
Title: The Unexpected Item Time: Approx. 3 Minutes Style: Observational / Storytelling Constraint Check: Zero puns used. (Comedian walks to the mic, adjusts the stand, looks at the audience.) How's everyone doing? You look good. You look like you've successfully navigated the self-checkout today. That's a win.
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Qwen3 Coder Flash87 words
Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fake noodle? An impasta! Why did the scarecrow win an award? He was outstanding in his field! What do you call a bear with no teeth? A gummy bear! Why don't eggs tell jokes? They'd crack each other up!
Read the full answer
Qwen3.5 Plus 2026-04-20210 words
Here are 5 jokes: I asked my GPS to take me to a quiet place. It rerouted me to a library and whispered, “You’re already there.” My Wi-Fi and I had a fight. I told it I needed space. It said, “Fine,” and dropped the connection. I tried to start a band that only plays elevator music.
Read the full answer

Realistic AI Interview

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

Qwen3 Coder Flash472 words
Interview with Steve Jobs (2025) Setting: A sleek, minimalist conference room with a view of San Francisco Bay Interviewer: Mr. Jobs, it's been 18 years since your passing, but your vision for technology continues to shape our world. What do you think the future holds for artificial intelligence?
Read the full answer
Qwen3.5 Plus 2026-04-20852 words
Disclaimer: This is a fictional simulation crafted from Steve Jobs’ documented philosophies, public interviews, and known speaking cadence. It does not represent real statements, predictions, or endorsements from Mr. Jobs, who passed away in 2011.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Qwen3 Coder Flash639 words
Hour-by-Hour Action Plan: 48-Hour Crisis Response Hours 1-2: Immediate Crisis Assembly & Assessment Action: convene emergency crisis team (legal, medical, regulatory, communications, senior leadership) Reasoning: Establish unified command structure before information spreads.
Read the full answer
Qwen3.5 Plus 2026-04-201,666 words
Executive Summary & Core Stance My Role: CEO. My Mandate: Preserve the company's long-term viability, which is inextricably linked to patient safety, regulatory trust, and ethical conduct. Immediate Assessment: Patient Safety: Liver failure is fatal.
Read the full answer

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 Coder Flash132 words
Garlic Herb Butter Pasta Ingredients: 1 lb pasta (spaghetti or penne) 4 cloves garlic, minced 1/2 cup butter 1/4 cup grated Parmesan cheese 2 tbsp olive oil Salt and pepper to taste Fresh parsley, chopped (for garnish) Instructions: Cook pasta according to package directions; reserve 1/2 cup pasta water before draining…
Read the full answer
Qwen3.5 Plus 2026-04-20306 words
🌙 Midnight Magic Noodles 🍜 A savory-sweet garlic butter noodle dish that feels like a gourmet meal but comes together in minutes using pantry staples. ⏱️ Estimated Time: Prep: 5 minutes Cook: 10 minutes Total: 15 minutes 🛒 The 7 Ingredients (Assumes water and salt for boiling pasta are on hand) 8 oz Pasta…
Read the full answer
Our Verdict
Qwen3.5 Plus 2026-04-20
Qwen3.5 Plus 2026-04-20
Qwen3 Coder Flash
Qwen3 Coder FlashRunner-up

Not enough votes to call it. On the specs, Qwen3.5 Plus 2026-04-20 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 Coder Flash
Input
$0.30
1.3× cheaper
Output
$1.50
1.6× cheaper
Qwen3.5 Plus 2026-04-20
Input
$0.40
Output
$2.40

Qwen3 Coder Flash is cheaper on both: 1.3× input, 1.6× output.

Where to run it

2 hosts

Qwen3 Coder Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.20 in·$0.97 out·1M·100% up
Qwen3.5 Plus 2026-04-201 host
HostInOutContextUptime
Alibaba Cloud$0.30 in·$1.80 out·1M·99.9% up

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

Writing DNA

Style Comparison

Similarity
41%

Qwen3.5 Plus 2026-04-20 uses 7.1x more emoji

Qwen3 Coder Flash
Qwen3.5 Plus 2026-04-20
60%Vocabulary59%
85wSentence Length15w
0.56Hedging0.28
5.6Bold4.4
5.8Lists2.5
0.22Emoji1.53
1.49Headings0.76
0.15Transitions0.04
Based on 28 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Both are developed by Qwen but target different use cases. Qwen3 Coder Flash has a 128K token context window vs Qwen3.5 Plus 2026-04-20's 1.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

It depends on your use case. Qwen3 Coder Flash and Qwen3.5 Plus 2026-04-20 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

Qwen3 Coder Flash costs $0.3/M input tokens and Qwen3.5 Plus 2026-04-20 costs $0.4/M input tokens. Qwen3 Coder Flash is $0.10/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 Coder Flash and Qwen3.5 Plus 2026-04-20 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.

Keep exploring

More comparisons

Against the newest arrivals

Qwen3 Coder Flash logoSolar Mini 4 logo
Qwen3 Coder Flash vs Solar Mini 4Landed Sep 2026
Qwen3.5 Plus 2026-04-20 logoQwen3.8 Max Prime logo
Qwen3.5 Plus 2026-04-20 vs Qwen3.8 Max PrimeLanded Sep 2026
Qwen3 Coder Flash logoGLM 5.3 Prime logo
Qwen3 Coder Flash vs GLM 5.3 PrimeLanded Sep 2026
Qwen3.5 Plus 2026-04-20 logoQwen3.8 Omni Flash logo
Qwen3.5 Plus 2026-04-20 vs Qwen3.8 Omni FlashLanded Sep 2026
Qwen3 Coder Flash logoCommand A+ logo
Qwen3 Coder Flash vs Command A+Landed Sep 2026
Qwen3.5 Plus 2026-04-20 logoClaude Opus 5.5 logo
Qwen3.5 Plus 2026-04-20 vs Claude Opus 5.5Landed Sep 2026
Qwen3 Coder Flash logoGPT-6 Luna Pro logo
Qwen3 Coder Flash vs GPT-6 Luna ProLanded Sep 2026
Qwen3.5 Plus 2026-04-20 logoGPT-6 Sol Pro logo
Qwen3.5 Plus 2026-04-20 vs GPT-6 Sol ProLanded Sep 2026

Same lab, same size, long tail

Qwen3 Coder Flash logoQwen3.8 Max Prime logo
Qwen3 Coder Flash vs Qwen3.8 Max PrimeSame lab
Qwen3 Coder Flash logoQwen3.8 Omni Flash logo
Qwen3 Coder Flash vs Qwen3.8 Omni FlashSame lab
Qwen3.5 Plus 2026-04-20 logoQwen3.7 Flash logo
Qwen3.5 Plus 2026-04-20 vs Qwen3.7 FlashSame lab
Qwen3.5 Plus 2026-04-20 logoQwen3.8 Flash logo
Qwen3.5 Plus 2026-04-20 vs Qwen3.8 FlashSame lab
Qwen3 Coder Flash logoMuse Glimmer 30B logo
Qwen3 Coder Flash vs Muse Glimmer 30BSame size
Qwen3 Coder Flash logoMuse Spark 1.1 logo
Qwen3 Coder Flash vs Muse Spark 1.1New provider
Qwen3 Coder Flash logoMuse Spark 1.3 logo
Qwen3 Coder Flash vs Muse Spark 1.3New provider
Qwen3 Coder Flash logoMuse Spark 1.3 Contributor logo
Qwen3 Coder Flash vs Muse Spark 1.3 ContributorNew provider

Model pages

Qwen3 Coder Flash logo
Qwen3 Coder Flash59 outputs, specs and price
Qwen3.5 Plus 2026-04-20 logo
Qwen3.5 Plus 2026-04-2056 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed