What is the difference between Claude 3.7 Sonnet and Qwen: Qwen3.5 Flash?

Claude 3.7 Sonnet is developed by Anthropic while Qwen: Qwen3.5 Flash is developed by Qwen. Claude 3.7 Sonnet has a 200K 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 3.7 Sonnet or Qwen: Qwen3.5 Flash?

It depends on your use case. Claude 3.7 Sonnet 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 3.7 Sonnet cost compared to Qwen: Qwen3.5 Flash?

Claude 3.7 Sonnet costs $3/M input tokens and Qwen: Qwen3.5 Flash costs $0.1/M input tokens. Qwen: Qwen3.5 Flash is $2.90/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 3.7 Sonnet and Qwen: Qwen3.5 Flash on Rival?

This page shows a side-by-side comparison of Claude 3.7 Sonnet 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 3.7 Sonnet and Qwen: Qwen3.5 Flash?

Claude 3.7 Sonnet is developed by Anthropic while Qwen: Qwen3.5 Flash is developed by Qwen. Claude 3.7 Sonnet has a 200K 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 3.7 Sonnet or Qwen: Qwen3.5 Flash?

It depends on your use case. Claude 3.7 Sonnet 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 3.7 Sonnet cost compared to Qwen: Qwen3.5 Flash?

Claude 3.7 Sonnet costs $3/M input tokens and Qwen: Qwen3.5 Flash costs $0.1/M input tokens. Qwen: Qwen3.5 Flash is $2.90/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 3.7 Sonnet and Qwen: Qwen3.5 Flash on Rival?

This page shows a side-by-side comparison of Claude 3.7 Sonnet 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 3.7 Sonnet vs Qwen: Qwen3.5 Flash: Which Is Better?

Updated Feb 2026

Our Verdict

Claude 3.7 Sonnet

Qwen: Qwen3.5 Flash

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Qwen: Qwen3.5 Flash is 38x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3.7 Sonnet

Input

$3.00

Output

$15.00

Qwen: Qwen3.5 Flash

Input

$0.10

30× cheaper

Output

$0.40

38× cheaper

Qwen: Qwen3.5 Flash is cheaper on both — 30× input, 38× output

Writing DNA

Style Comparison

Similarity

46%

Qwen: Qwen3.5 Flash uses 2.5x more emoji

Claude 3.7 Sonnet

Qwen: Qwen3.5 Flash

62%Vocabulary50%

35wSentence Length14w

0.99Hedging0.35

1.2Bold6.9

4.3Lists4.2

0.00Emoji0.03

1.78Headings1.00

0.23Transitions0.15

Based on 13 + 23 text responses

Research

What we learned reading every model

Claude 3.7 Sonnet 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 3.7 Sonnet vs MiniMax M3New provider

Claude 3.7 Sonnet vs GPT-5New provider

Claude 3.7 Sonnet vs Llama 4 MaverickNew provider

Updated Feb 2026

Our Verdict

Claude 3.7 Sonnet

Qwen: Qwen3.5 Flash

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Qwen: Qwen3.5 Flash is 38x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3.7 Sonnet

Input

$3.00

Output

$15.00

Qwen: Qwen3.5 Flash

Input

$0.10

30× cheaper

Output

$0.40

38× cheaper

Qwen: Qwen3.5 Flash is cheaper on both — 30× input, 38× output

Writing DNA

Style Comparison

Similarity

46%

Qwen: Qwen3.5 Flash uses 2.5x more emoji

Claude 3.7 Sonnet

Qwen: Qwen3.5 Flash

62%Vocabulary50%

35wSentence Length14w

0.99Hedging0.35

1.2Bold6.9

4.3Lists4.2

0.00Emoji0.03

1.78Headings1.00

0.23Transitions0.15

Based on 13 + 23 text responses

Research

What we learned reading every model

Claude 3.7 Sonnet 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 3.7 Sonnet vs MiniMax M3New provider

Claude 3.7 Sonnet vs GPT-5New provider

Claude 3.7 Sonnet vs Llama 4 MaverickNew provider