What is the difference between DeepSeek V4 Flash 0731 and GPT-5 Mini?

DeepSeek V4 Flash 0731 is developed by DeepSeek while GPT-5 Mini is developed by OpenAI. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or GPT-5 Mini?

It depends on your use case. DeepSeek V4 Flash 0731 and GPT-5 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to GPT-5 Mini?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and GPT-5 Mini costs $0.25/M input tokens. DeepSeek V4 Flash 0731 is $0.11/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 GPT-5 Mini on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and GPT-5 Mini 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 GPT-5 Mini?

DeepSeek V4 Flash 0731 is developed by DeepSeek while GPT-5 Mini is developed by OpenAI. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Flash 0731 or GPT-5 Mini?

It depends on your use case. DeepSeek V4 Flash 0731 and GPT-5 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Flash 0731 cost compared to GPT-5 Mini?

DeepSeek V4 Flash 0731 costs $0.14/M input tokens and GPT-5 Mini costs $0.25/M input tokens. DeepSeek V4 Flash 0731 is $0.11/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 GPT-5 Mini on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and GPT-5 Mini 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 GPT-5 Mini: Which Is Better?

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

GPT-5 MiniRunner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — bigger model tier, newer, bigger context window.

DeepSeek V4 Flash 0731 is 7.1x 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

1.8× cheaper

Output

$0.28

7.1× cheaper

GPT-5 Mini

Input

$0.25

Output

$2.00

DeepSeek V4 Flash 0731 is cheaper on both — 1.8× input, 7.1× output

Writing DNA

Style Comparison

Similarity

44%

DeepSeek V4 Flash 0731 uses 568.3x more bold

DeepSeek V4 Flash 0731

GPT-5 Mini

52%Vocabulary62%

18wSentence Length21w

0.38Hedging0.16

5.7Bold0.0

3.4Lists3.4

0.00Emoji0.00

0.83Headings0.00

0.04Transitions0.05

Based on 23 + 15 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and GPT-5 Mini 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

GPT-5 Mini vs MiniMax M3New provider

GPT-5 Mini vs Aurora AlphaNew provider

GPT-5 Mini vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

DeepSeek V4 Flash 0731

GPT-5 MiniRunner-up

No community votes yet. On paper, DeepSeek V4 Flash 0731 has the edge — bigger model tier, newer, bigger context window.

DeepSeek V4 Flash 0731 is 7.1x 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

1.8× cheaper

Output

$0.28

7.1× cheaper

GPT-5 Mini

Input

$0.25

Output

$2.00

DeepSeek V4 Flash 0731 is cheaper on both — 1.8× input, 7.1× output

Writing DNA

Style Comparison

Similarity

44%

DeepSeek V4 Flash 0731 uses 568.3x more bold

DeepSeek V4 Flash 0731

GPT-5 Mini

52%Vocabulary62%

18wSentence Length21w

0.38Hedging0.16

5.7Bold0.0

3.4Lists3.4

0.00Emoji0.00

0.83Headings0.00

0.04Transitions0.05

Based on 23 + 15 text responses

Research

What we learned reading every model

DeepSeek V4 Flash 0731 and GPT-5 Mini 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

GPT-5 Mini vs MiniMax M3New provider

GPT-5 Mini vs Aurora AlphaNew provider

GPT-5 Mini vs Claude Sonnet 4New provider