What is the difference between Claude Opus 5 and Qwen: Qwen3.5 Flash?

Claude Opus 5 is developed by Anthropic while Qwen: Qwen3.5 Flash is developed by Qwen. Claude Opus 5 has a 1.0M token context window vs Qwen: Qwen3.5 Flash's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or Qwen: Qwen3.5 Flash?

It depends on your use case. Claude Opus 5 and Qwen: Qwen3.5 Flash 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 5 cost compared to Qwen: Qwen3.5 Flash?

Claude Opus 5 costs $5/M input tokens and Qwen: Qwen3.5 Flash costs $0.1/M input tokens. Qwen: Qwen3.5 Flash is $4.90/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 5 and Qwen: Qwen3.5 Flash on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and Qwen: Qwen3.5 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.

What is the difference between Claude Opus 5 and Qwen: Qwen3.5 Flash?

Claude Opus 5 is developed by Anthropic while Qwen: Qwen3.5 Flash is developed by Qwen. Claude Opus 5 has a 1.0M token context window vs Qwen: Qwen3.5 Flash's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or Qwen: Qwen3.5 Flash?

It depends on your use case. Claude Opus 5 and Qwen: Qwen3.5 Flash 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 5 cost compared to Qwen: Qwen3.5 Flash?

Claude Opus 5 costs $5/M input tokens and Qwen: Qwen3.5 Flash costs $0.1/M input tokens. Qwen: Qwen3.5 Flash is $4.90/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 5 and Qwen: Qwen3.5 Flash on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and Qwen: Qwen3.5 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.

Claude Opus 5 vs Qwen: Qwen3.5 Flash: Which Is Better?

Updated Jul 2026

Our Verdict

Claude Opus 5

Qwen: Qwen3.5 FlashRunner-up

No community votes yet. On paper, Claude Opus 5 has the edge — bigger model tier, newer, major provider backing.

Qwen: Qwen3.5 Flash is 63x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

Qwen: Qwen3.5 Flash

Input

$0.10

50× cheaper

Output

$0.40

63× cheaper

Qwen: Qwen3.5 Flash is cheaper on both — 50× input, 63× output

Writing DNA

Style Comparison

Similarity

60%

Qwen: Qwen3.5 Flash uses 3.0x more transitions

Claude Opus 5

Qwen: Qwen3.5 Flash

54%Vocabulary50%

21wSentence Length14w

0.40Hedging0.35

3.9Bold6.9

1.9Lists4.2

0.02Emoji0.03

0.71Headings1.00

0.05Transitions0.15

Based on 27 + 23 text responses

Research

What we learned reading every model

Claude Opus 5 and Qwen: Qwen3.5 Flash have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

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Claude Opus 5 vs MiniMax M3New provider

Claude Opus 5 vs GPT-5New provider

Claude Opus 5 vs Llama 4 MaverickNew provider

Updated Jul 2026

Our Verdict

Claude Opus 5

Qwen: Qwen3.5 FlashRunner-up

No community votes yet. On paper, Claude Opus 5 has the edge — bigger model tier, newer, major provider backing.

Qwen: Qwen3.5 Flash is 63x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

Qwen: Qwen3.5 Flash

Input

$0.10

50× cheaper

Output

$0.40

63× cheaper

Qwen: Qwen3.5 Flash is cheaper on both — 50× input, 63× output

Writing DNA

Style Comparison

Similarity

60%

Qwen: Qwen3.5 Flash uses 3.0x more transitions

Claude Opus 5

Qwen: Qwen3.5 Flash

54%Vocabulary50%

21wSentence Length14w

0.40Hedging0.35

3.9Bold6.9

1.9Lists4.2

0.02Emoji0.03

0.71Headings1.00

0.05Transitions0.15

Based on 27 + 23 text responses

Research

What we learned reading every model

Claude Opus 5 and Qwen: Qwen3.5 Flash have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Claude Opus 5 vs MiniMax M3New provider

Claude Opus 5 vs GPT-5New provider

Claude Opus 5 vs Llama 4 MaverickNew provider