What is the difference between DeepSeek V4 Pro 0813 and OpenAI o4-mini?

DeepSeek V4 Pro 0813 is developed by DeepSeek while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Pro 0813 or OpenAI o4-mini?

It depends on your use case. DeepSeek V4 Pro 0813 and OpenAI o4-mini 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 DeepSeek V4 Pro 0813 cost compared to OpenAI o4-mini?

DeepSeek V4 Pro 0813 costs $0.66/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. DeepSeek V4 Pro 0813 is $0.44/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 Pro 0813 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Pro 0813 and OpenAI o4-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 Pro 0813 and OpenAI o4-mini?

DeepSeek V4 Pro 0813 is developed by DeepSeek while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Pro 0813 or OpenAI o4-mini?

It depends on your use case. DeepSeek V4 Pro 0813 and OpenAI o4-mini 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 DeepSeek V4 Pro 0813 cost compared to OpenAI o4-mini?

DeepSeek V4 Pro 0813 costs $0.66/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. DeepSeek V4 Pro 0813 is $0.44/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 Pro 0813 and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Pro 0813 and OpenAI o4-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 Pro 0813 vs OpenAI o4-mini: Which Is Better?

Updated Aug 2026

Our Verdict

DeepSeek V4 Pro 0813

OpenAI o4-miniRunner-up

No community votes yet. On paper, DeepSeek V4 Pro 0813 has the edge — bigger model tier, newer, bigger context window.

Too close to call

What do DeepSeek V4 Pro 0813 and OpenAI o4-mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

DeepSeek V4 Pro 0813

Input

$0.66

1.7× cheaper

Output

$1.98

2.2× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

DeepSeek V4 Pro 0813 is cheaper on both — 1.7× input, 2.2× output

Writing DNA

Style Comparison

Similarity

56%

DeepSeek V4 Pro 0813 uses 316.4x more bold

DeepSeek V4 Pro 0813

OpenAI o4-mini

57%Vocabulary73%

17wSentence Length15w

0.49Hedging0.18

3.2Bold0.0

3.2Lists2.1

0.00Emoji0.00

1.08Headings0.00

0.04Transitions0.02

Based on 27 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek V4 Pro 0813 vs MiniMax M3New provider

DeepSeek V4 Pro 0813 vs Claude Opus 4New provider

DeepSeek V4 Pro 0813 vs Gemini 2.5 Pro Preview 06-05New provider

Updated Aug 2026

Our Verdict

DeepSeek V4 Pro 0813

OpenAI o4-miniRunner-up

No community votes yet. On paper, DeepSeek V4 Pro 0813 has the edge — bigger model tier, newer, bigger context window.

Too close to call

What do DeepSeek V4 Pro 0813 and OpenAI o4-mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

DeepSeek V4 Pro 0813

Input

$0.66

1.7× cheaper

Output

$1.98

2.2× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

DeepSeek V4 Pro 0813 is cheaper on both — 1.7× input, 2.2× output

Writing DNA

Style Comparison

Similarity

56%

DeepSeek V4 Pro 0813 uses 316.4x more bold

DeepSeek V4 Pro 0813

OpenAI o4-mini

57%Vocabulary73%

17wSentence Length15w

0.49Hedging0.18

3.2Bold0.0

3.2Lists2.1

0.00Emoji0.00

1.08Headings0.00

0.04Transitions0.02

Based on 27 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek V4 Pro 0813 vs MiniMax M3New provider

DeepSeek V4 Pro 0813 vs Claude Opus 4New provider

DeepSeek V4 Pro 0813 vs Gemini 2.5 Pro Preview 06-05New provider