What is the difference between Claude Opus 4 and Qwen3.5 35B A3B?

Claude Opus 4 is developed by Anthropic while Qwen3.5 35B A3B is developed by Qwen. Claude Opus 4 has a 200K token context window vs Qwen3.5 35B A3B's 262K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or Qwen3.5 35B A3B?

It depends on your use case. Claude Opus 4 and Qwen3.5 35B A3B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to Qwen3.5 35B A3B?

Claude Opus 4 costs $15/M input tokens and Qwen3.5 35B A3B costs $0.25/M input tokens. Qwen3.5 35B A3B is $14.75/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 Opus 4 and Qwen3.5 35B A3B on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and Qwen3.5 35B 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.

What is the difference between Claude Opus 4 and Qwen3.5 35B A3B?

Claude Opus 4 is developed by Anthropic while Qwen3.5 35B A3B is developed by Qwen. Claude Opus 4 has a 200K token context window vs Qwen3.5 35B A3B's 262K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or Qwen3.5 35B A3B?

It depends on your use case. Claude Opus 4 and Qwen3.5 35B A3B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to Qwen3.5 35B A3B?

Claude Opus 4 costs $15/M input tokens and Qwen3.5 35B A3B costs $0.25/M input tokens. Qwen3.5 35B A3B is $14.75/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 Opus 4 and Qwen3.5 35B A3B on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and Qwen3.5 35B 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.

Updated Feb 2026

Claude Opus 4vsQwen3.5 35B A3B

Qwen3.5 35B A3B is cheaper than Claude Opus 4 at $0.25/M vs $15/M input tokens.

Claude Opus 4 and Qwen3.5 35B A3B compared across 53 shared prompts
Spec	Claude Opus 4	Qwen3.5 35B A3B
Input price	$15/M tokens	$0.25/M tokens
Output price	$75/M tokens	$2/M tokens
Context window	200K tokens	262K tokens
Released	May 2025	Feb 2026
SWE-bench Verified	72.5%	69.2%

Our Verdict

Claude Opus 4

Qwen3.5 35B A3BRunner-up

Not enough votes to call it. On the specs, Claude Opus 4 has the edge: bigger model tier, major provider backing.

Qwen3.5 35B A3B costs 38x less per token.

Too close to call

What do Claude Opus 4 and Qwen3.5 35B A3B say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Qwen3.5 35B A3B

Input

$0.25

60× cheaper

Output

$2.00

38× cheaper

Qwen3.5 35B A3B is cheaper on both — 60× input, 38× output

Writing DNA

Style Comparison

Similarity

42%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

Qwen3.5 35B A3B

64%Vocabulary51%

62wSentence Length15w

0.52Hedging0.39

4.4Bold6.8

9.1Lists4.8

0.11Emoji0.00

1.87Headings0.84

0.27Transitions0.14

Based on 16 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Opus 4 vs Ox AlphaNew provider

Claude Opus 4 vs GPT-5New provider

Claude Opus 4 vs MiniMax M3New provider

Qwen3.5 35B A3B vs MiniMax M1New provider

Claude Opus 4 vs GPT-5 CodexNew provider

Claude Opus 4 vs GPT-5 MiniNew provider

Claude Opus 4 vs GPT-5 NanoNew provider

Claude Opus 4 vs GPT-5 ProNew provider

Updated Feb 2026

Claude Opus 4vsQwen3.5 35B A3B

Qwen3.5 35B A3B is cheaper than Claude Opus 4 at $0.25/M vs $15/M input tokens.

Claude Opus 4 and Qwen3.5 35B A3B compared across 53 shared prompts
Spec	Claude Opus 4	Qwen3.5 35B A3B
Input price	$15/M tokens	$0.25/M tokens
Output price	$75/M tokens	$2/M tokens
Context window	200K tokens	262K tokens
Released	May 2025	Feb 2026
SWE-bench Verified	72.5%	69.2%

Our Verdict

Claude Opus 4

Qwen3.5 35B A3BRunner-up

Not enough votes to call it. On the specs, Claude Opus 4 has the edge: bigger model tier, major provider backing.

Qwen3.5 35B A3B costs 38x less per token.

Too close to call

What do Claude Opus 4 and Qwen3.5 35B A3B say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Qwen3.5 35B A3B

Input

$0.25

60× cheaper

Output

$2.00

38× cheaper

Qwen3.5 35B A3B is cheaper on both — 60× input, 38× output

Writing DNA

Style Comparison

Similarity

42%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

Qwen3.5 35B A3B

64%Vocabulary51%

62wSentence Length15w

0.52Hedging0.39

4.4Bold6.8

9.1Lists4.8

0.11Emoji0.00

1.87Headings0.84

0.27Transitions0.14

Based on 16 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Opus 4 vs Ox AlphaNew provider

Claude Opus 4 vs GPT-5New provider

Claude Opus 4 vs MiniMax M3New provider

Qwen3.5 35B A3B vs MiniMax M1New provider

Claude Opus 4 vs GPT-5 CodexNew provider

Claude Opus 4 vs GPT-5 MiniNew provider

Claude Opus 4 vs GPT-5 NanoNew provider

Claude Opus 4 vs GPT-5 ProNew provider