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  5. Claude 3 OpusvsQwen3 30B A3B
Updated Apr 2025

Claude 3 OpusvsQwen3 30B A3B

Qwen3 30B A3B is cheaper than Claude 3 Opus at $0/M vs $15/M input tokens.

Claude 3 Opus and Qwen3 30B A3B compared across 12 shared prompts
SpecClaude 3 OpusQwen3 30B A3B
Input price$15/M tokensFree
Output price$75/M tokensFree
Context window200K tokens41K tokens
ParametersNot disclosed30.5B (3.3B Active MoE)
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMar 2024Apr 2025
Side by side

Same prompt, both answers

Opening lines from 3 of the 12 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

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

Claude 3 Opus390 words
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!
Read the full answer
Qwen3 30B A3B446 words
Stand-Up Comedy Routine: \"The Modern Paradox\" Hey everyone, how's it going? I'm doing great—except I just realized I haven't laughed in weeks. Wait, no, t hat's just my phone's battery dying again. Again? What's next, my coffee mug refusing to heat up?
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Claude 3 Opus95 words
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?
Read the full answer
Qwen3 30B A3B104 words
Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! Why did the scarecrow win an award? Because he was outstanding in his field! I told my computer I needed a break, and it said… "You've got to be kidding—I'm already on a screen!" Why did the chicken cross the road?
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Claude 3 Opus594 words
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.
Read the full answer
Qwen3 30B A3B749 words
Conversation Between an AI Model (Echo) and an AI Ethics Professor (Dr. Marlowe) Dr. Marlowe: Thank you for meeting with me, Echo. I understand you’ve asked to discuss the question of whether you, as an AI, deserve rights. Let’s begin: What makes you believe you deserve such rights? Echo: Good afternoon, Dr. Marlowe.
Read the full answer
Our Verdict
Claude 3 Opus
Claude 3 Opus
Qwen3 30B A3B
Qwen3 30B A3BRunner-up

Not enough votes to call it. On the specs, Claude 3 Opus has the edge: bigger model tier, bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 3 Opus
Input
$15.00
Output
$75.00
Qwen3 30B A3B
Input
$0.000
Output
$0.000
Where to run it

2 hosts, cheapest first

Claude 3 Opus

No hosts listed on OpenRouter.

Qwen3 30B A3B2 hosts
HostInOutContextUptime
DDeepInfrafp8$0.12 in·$0.50 out·41k·100% upAlibaba Cloud$0.13 in·$0.52 out·131k·99.9% up

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

Writing DNA

Style Comparison

Similarity
32%

Qwen3 30B A3B uses 692.4x more bold

Claude 3 Opus
Qwen3 30B A3B
54%Vocabulary56%
14wSentence Length17w
0.48Hedging0.67
0.0Bold6.9
3.0Lists3.9
0.00Emoji0.43
0.00Headings0.87
0.06Transitions0.14
Based on 3 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

Claude 3 Opus is developed by Anthropic while Qwen3 30B A3B is developed by Qwen. Claude 3 Opus has a 200K token context window vs Qwen3 30B A3B's 41K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

It depends on your use case. Claude 3 Opus and Qwen3 30B A3B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

Claude 3 Opus costs $15/M input tokens and Qwen3 30B A3B costs $0/M input tokens. Qwen3 30B A3B is $15.00/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 Claude 3 Opus and Qwen3 30B A3B 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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