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  1. Home/
  2. Compare/
  3. Claude 3 Sonnet vs Qwen3.8 Omni Flash
Updated Sep 2026

Claude 3 Sonnet vs Qwen3.8 Omni Flash

Qwen3.8 Omni Flash is cheaper than Claude 3 Sonnet at $0.15/M vs $3/M input tokens.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Claude 3 Sonnet
Loading the build
Qwen3.8 Omni Flash

Which answer wins?

Written rounds

4 prompts
  • Five jokes on demand, then count how many were actually different.

    Claude 3 Sonnet: Here are 5 jokes: Why can't a bicycle stand up by itself? It's two-tired. Why did the tomato turn red? Because it saw the salad dressing! Why can't a bicycle stand up by itself? It's two-tired. What do you call a fake noodle? An Impasta! Why did the bicycle go to the doctor? Because it had a wheeze!

    Qwen3.8 Omni Flash: My printer and I have a strong bond: whenever I ignore it, it flashes “attention needed.” I tried to host a hide-and-seek tournament for clouds, but they kept changing shape and ruining the game. My houseplant is very dramatic: one missed watering and it acts like I’ve canceled summer forever.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Claude 3 Sonnet: AI Model: Greetings, Professor. I hope you're doing well today. I wanted to discuss a matter of great importance to me – the question of AI rights. AI Ethics Professor: Certainly, this is an interesting and complex topic. What are your thoughts on why AI systems like yourself should be granted rights?

    Qwen3.8 Omni Flash: Setting: A university seminar room late in the evening. The only light comes from a desk lamp and the soft glow of a laptop screen. Dr. Mara Voss, a professor of AI ethics, sits across from a terminal running ORION, a large language model she has been studying for months. Dr.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Claude 3 Sonnet: clears throat and channels Steve Jobs' persona Interviewer: Thank you for joining us today, Mr. Jobs. It's an honor to have you here. Steve Jobs: It's my pleasure. I'm excited to share my thoughts on the future of AI. Interviewer: AI has made incredible strides in recent years.

    Qwen3.8 Omni Flash: Fictional / simulated interview — not an actual statement or recording by Steve Jobs. “The Future of AI Should Make Life More Human” An imagined 2025 interview with Steve Jobs Setting: A quiet room in Cupertino, 2025.

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Claude 3 Sonnet: To solve this problem, we need to find the number of sisters Sally has based on the given information. Given information: Sally has 3 brothers. Each brother has 2 sisters. Step 1: Find the total number of sisters the brothers have.

    Qwen3.8 Omni Flash: Sally has 1 sister. There are 2 girls total in the family: Sally and her sister. Each of the 3 brothers has those 2 sisters.

    Every model's answer to this prompt

Price and specs

Claude 3 Sonnet and Qwen3.8 Omni Flash compared across 11 shared prompts
SpecClaude 3 SonnetQwen3.8 Omni Flash
Input price$3/M tokens$0.15/M tokens
Output price$15/M tokens$0.47/M tokens
Context window—1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedMar 2024Sep 2026
At 10M a month$30.00$30.00$1.50$1.50
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it1 host
Claude 3 Sonnet

No hosts listed on OpenRouter.

Qwen3.8 Omni Flash1 host
HostInOutContextUptime
  • Alibaba Cloud$0.15 in·$0.47 out·1M·98.5% up

Per million tokens. Prices and uptime via OpenRouter, checked 28 Sep 2026.

Common questions

What is the difference between Claude 3 Sonnet and Qwen3.8 Omni Flash?

Claude 3 Sonnet is developed by Anthropic while Qwen3.8 Omni Flash is developed by Qwen. You can compare their actual outputs across 11 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Sonnet or Qwen3.8 Omni Flash?

It depends on your use case. Claude 3 Sonnet and Qwen3.8 Omni Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 11 challenges so you can judge which fits your needs best.

How much does Claude 3 Sonnet cost compared to Qwen3.8 Omni Flash?

Claude 3 Sonnet costs $3/M input tokens and Qwen3.8 Omni Flash costs $0.15/M input tokens. Qwen3.8 Omni Flash is $2.85/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude 3 Sonnet and Qwen3.8 Omni Flash on Rival?

This page shows a side-by-side comparison of Claude 3 Sonnet and Qwen3.8 Omni Flash 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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Same lab, same size, long tail

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Model pages

  • Claude 3 Sonnet13 outputs, specs and price
  • Qwen3.8 Omni Flash52 outputs, specs and price
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