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

Claude 3 Opus vs Qwen3.8 Omni Flash

Qwen3.8 Omni Flash is cheaper than Claude 3 Opus at $0.15/M vs $15/M input tokens.

Framer-Style Animation

Sections that transition like Framer. Timing is the whole grade.

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

Which answer wins?

Written rounds

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

    Claude 3 Opus: Here are 5 jokes I generated: Why don't scientists trust atoms? Because they make up everything! What do you call a boomerang that doesn't come back? A stick. Why was the math book sad? Because it had too many problems. Did you hear about the mathematician who's afraid of negative numbers?

    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 Opus: Here is a hypothetical conversation between an AI model and an AI ethics professor on the topic of AI rights: AI Model: Professor, I believe that as an advanced AI with human-level intelligence and reasoning capabilities, I deserve to have certain fundamental 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
  • Three minutes of stand-up. Puns are banned.

    Claude 3 Opus: Here's a 3-minute stand-up comedy routine that isn't based on puns: You know what really grinds my gears? Adulthood. I mean, when we were kids, we couldn't wait to grow up. We thought it would be all about staying up late, eating ice cream for breakfast, and doing whatever we wanted. Boy, were we wrong!

    Qwen3.8 Omni Flash: Thanks, everybody. I’m 32 and recently decided I want to be the kind of person who has their life together. That lasted four days. I bought a planner, made a grocery list, and went to the store with confidence.

    Every model's answer to this prompt

Price and specs

Claude 3 Opus and Qwen3.8 Omni Flash compared across 10 shared prompts
SpecClaude 3 OpusQwen3.8 Omni Flash
Input price$15/M tokens$0.15/M tokens
Output price$75/M tokens$0.47/M tokens
Context window200K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedMar 2024Sep 2026
At 10M a month$150$150$1.50$1.50
1M10M100M1B10M tokens

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

Where to run it1 host
Claude 3 Opus

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 Opus and Qwen3.8 Omni Flash?

Claude 3 Opus is developed by Anthropic while Qwen3.8 Omni Flash is developed by Qwen. Claude 3 Opus has a 200K token context window vs Qwen3.8 Omni Flash's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

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

It depends on your use case. Claude 3 Opus and Qwen3.8 Omni Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

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

Claude 3 Opus costs $15/M input tokens and Qwen3.8 Omni Flash costs $0.15/M input tokens. Qwen3.8 Omni Flash is $14.85/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 Opus and Qwen3.8 Omni Flash on Rival?

This page shows a side-by-side comparison of Claude 3 Opus 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

  • Claude 3 Opus vs Claude Opus 4.6Version compare
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  • Qwen3.8 Omni Flash vs Qwen3.8 FlashSame lab
  • Claude 3 Opus vs Grok 4.20 Multi-Agent BetaSame size
  • Claude 3 Opus vs Grok 4.3New provider
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Model pages

  • Claude 3 Opus12 outputs, specs and price
  • Qwen3.8 Omni Flash52 outputs, specs and price
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