What is the difference between DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking)?

DeepSeek V4 Flash 0731 is developed by DeepSeek while Qwen Plus 0728 (thinking) is developed by Qwen. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Qwen Plus 0728 (thinking)'s 1.0M. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or Qwen Plus 0728 (thinking)?

It depends on your use case. DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to Qwen Plus 0728 (thinking)?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Qwen Plus 0728 (thinking) costs $0.4/M input tokens. DeepSeek V4 Flash 0731 is $0.26/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 DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) 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 DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking)?

DeepSeek V4 Flash 0731 is developed by DeepSeek while Qwen Plus 0728 (thinking) is developed by Qwen. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Qwen Plus 0728 (thinking)'s 1.0M. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or Qwen Plus 0728 (thinking)?

It depends on your use case. DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to Qwen Plus 0728 (thinking)?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and Qwen Plus 0728 (thinking) costs $0.4/M input tokens. DeepSeek V4 Flash 0731 is $0.26/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 DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) 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.

DeepSeek V4 Flash 0731 vs Qwen Plus 0728 (thinking): Which Is Better?

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Qwen Plus 0728 (thinking)Runner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — newer, major provider backing.

DeepSeek V4 Flash 0731 is 14x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek V4 Flash 0731

Input

$0.14

2.9× cheaper

Output

$0.28

14× cheaper

Qwen Plus 0728 (thinking)

Input

$0.40

Output

$4.00

DeepSeek V4 Flash 0731 is cheaper on both — 2.9× input, 14× output

Writing DNA

Style Comparison

Similarity

51%

Qwen Plus 0728 (thinking) uses 34.0x more emoji

DeepSeek V4 Flash 0731

Qwen Plus 0728 (thinking)

52%Vocabulary54%

18wSentence Length15w

0.38Hedging0.36

5.7Bold7.0

3.4Lists4.6

0.00Emoji0.34

0.83Headings0.94

0.04Transitions0.09

Based on 23 + 18 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) 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

Qwen Plus 0728 (thinking) vs MiniMax M3New provider

Qwen Plus 0728 (thinking) vs Aurora AlphaNew provider

Qwen Plus 0728 (thinking) vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

Qwen Plus 0728 (thinking)Runner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — newer, major provider backing.

DeepSeek V4 Flash 0731 is 14x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

DeepSeek V4 Flash 0731

Input

$0.14

2.9× cheaper

Output

$0.28

14× cheaper

Qwen Plus 0728 (thinking)

Input

$0.40

Output

$4.00

DeepSeek V4 Flash 0731 is cheaper on both — 2.9× input, 14× output

Writing DNA

Style Comparison

Similarity

51%

Qwen Plus 0728 (thinking) uses 34.0x more emoji

DeepSeek V4 Flash 0731

Qwen Plus 0728 (thinking)

52%Vocabulary54%

18wSentence Length15w

0.38Hedging0.36

5.7Bold7.0

3.4Lists4.6

0.00Emoji0.34

0.83Headings0.94

0.04Transitions0.09

Based on 23 + 18 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and Qwen Plus 0728 (thinking) 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

Qwen Plus 0728 (thinking) vs MiniMax M3New provider

Qwen Plus 0728 (thinking) vs Aurora AlphaNew provider

Qwen Plus 0728 (thinking) vs Claude Sonnet 4New provider