What is the difference between Claude Opus 5 and Qwen: Qwen3.5 397B A17B?

Claude Opus 5 is developed by Anthropic while Qwen: Qwen3.5 397B A17B is developed by Qwen. Claude Opus 5 has a 1.0M token context window vs Qwen: Qwen3.5 397B A17B'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 5 or Qwen: Qwen3.5 397B A17B?

It depends on your use case. Claude Opus 5 and Qwen: Qwen3.5 397B A17B 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 397B A17B?

Claude Opus 5 costs $5/M input tokens and Qwen: Qwen3.5 397B A17B costs $0.6/M input tokens. Qwen: Qwen3.5 397B A17B is $4.40/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 397B A17B on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and Qwen: Qwen3.5 397B A17B 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 397B A17B?

Claude Opus 5 is developed by Anthropic while Qwen: Qwen3.5 397B A17B is developed by Qwen. Claude Opus 5 has a 1.0M token context window vs Qwen: Qwen3.5 397B A17B'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 5 or Qwen: Qwen3.5 397B A17B?

It depends on your use case. Claude Opus 5 and Qwen: Qwen3.5 397B A17B 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 397B A17B?

Claude Opus 5 costs $5/M input tokens and Qwen: Qwen3.5 397B A17B costs $0.6/M input tokens. Qwen: Qwen3.5 397B A17B is $4.40/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 397B A17B on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and Qwen: Qwen3.5 397B A17B 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 397B A17B: Which Is Better?

Updated Jul 2026

Our Verdict

Claude Opus 5

Qwen: Qwen3.5 397B A17BRunner-up

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

Qwen: Qwen3.5 397B A17B is 6.9x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

Qwen: Qwen3.5 397B A17B

Input

$0.60

8.3× cheaper

Output

$3.60

6.9× cheaper

Qwen: Qwen3.5 397B A17B is cheaper on both — 8.3× input, 6.9× output

Writing DNA

Style Comparison

Similarity

48%

Qwen: Qwen3.5 397B A17B uses 13.4x more emoji

Claude Opus 5

Qwen: Qwen3.5 397B A17B

54%Vocabulary54%

21wSentence Length14w

0.40Hedging0.39

3.9Bold6.9

1.9Lists4.2

0.02Emoji0.23

0.71Headings0.93

0.05Transitions0.17

Based on 27 + 23 text responses

Research

What we learned reading every model

Claude Opus 5 and Qwen: Qwen3.5 397B A17B 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

Updated Jul 2026

Our Verdict

Claude Opus 5

Qwen: Qwen3.5 397B A17BRunner-up

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

Qwen: Qwen3.5 397B A17B is 6.9x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

Qwen: Qwen3.5 397B A17B

Input

$0.60

8.3× cheaper

Output

$3.60

6.9× cheaper

Qwen: Qwen3.5 397B A17B is cheaper on both — 8.3× input, 6.9× output

Writing DNA

Style Comparison

Similarity

48%

Qwen: Qwen3.5 397B A17B uses 13.4x more emoji

Claude Opus 5

Qwen: Qwen3.5 397B A17B

54%Vocabulary54%

21wSentence Length14w

0.40Hedging0.39

3.9Bold6.9

1.9Lists4.2

0.02Emoji0.23

0.71Headings0.93

0.05Transitions0.17

Based on 27 + 23 text responses

Research

What we learned reading every model

Claude Opus 5 and Qwen: Qwen3.5 397B A17B 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