What is the difference between Claude Opus 4 and DeepSeek V4 Pro 0813?

Claude Opus 4 is developed by Anthropic while DeepSeek V4 Pro 0813 is developed by DeepSeek. Claude Opus 4 has a 200K token context window vs DeepSeek V4 Pro 0813'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 Opus 4 or DeepSeek V4 Pro 0813?

It depends on your use case. Claude Opus 4 and DeepSeek V4 Pro 0813 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 4 cost compared to DeepSeek V4 Pro 0813?

Claude Opus 4 costs $15/M input tokens and DeepSeek V4 Pro 0813 costs $0.66/M input tokens. DeepSeek V4 Pro 0813 is $14.34/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 4 and DeepSeek V4 Pro 0813 on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and DeepSeek V4 Pro 0813 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 4 and DeepSeek V4 Pro 0813?

Claude Opus 4 is developed by Anthropic while DeepSeek V4 Pro 0813 is developed by DeepSeek. Claude Opus 4 has a 200K token context window vs DeepSeek V4 Pro 0813'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 Opus 4 or DeepSeek V4 Pro 0813?

It depends on your use case. Claude Opus 4 and DeepSeek V4 Pro 0813 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 4 cost compared to DeepSeek V4 Pro 0813?

Claude Opus 4 costs $15/M input tokens and DeepSeek V4 Pro 0813 costs $0.66/M input tokens. DeepSeek V4 Pro 0813 is $14.34/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 4 and DeepSeek V4 Pro 0813 on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and DeepSeek V4 Pro 0813 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 4 vs DeepSeek V4 Pro 0813: Which Is Better?

Updated Aug 2026

Our Verdict

DeepSeek V4 Pro 0813

Claude Opus 4Runner-up

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

DeepSeek V4 Pro 0813 is 38x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Opus 4 and DeepSeek V4 Pro 0813 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

DeepSeek V4 Pro 0813

Input

$0.66

23× cheaper

Output

$1.98

38× cheaper

DeepSeek V4 Pro 0813 is cheaper on both — 23× input, 38× output

Writing DNA

Style Comparison

Similarity

29%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

DeepSeek V4 Pro 0813

64%Vocabulary57%

62wSentence Length17w

0.52Hedging0.49

4.4Bold3.2

9.1Lists3.2

0.11Emoji0.00

1.87Headings1.08

0.27Transitions0.04

Based on 16 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek V4 Pro 0813 vs MiniMax M1New provider

DeepSeek V4 Pro 0813 vs GPT-5New provider

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

Updated Aug 2026

Our Verdict

DeepSeek V4 Pro 0813

Claude Opus 4Runner-up

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

DeepSeek V4 Pro 0813 is 38x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Opus 4 and DeepSeek V4 Pro 0813 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

DeepSeek V4 Pro 0813

Input

$0.66

23× cheaper

Output

$1.98

38× cheaper

DeepSeek V4 Pro 0813 is cheaper on both — 23× input, 38× output

Writing DNA

Style Comparison

Similarity

29%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

DeepSeek V4 Pro 0813

64%Vocabulary57%

62wSentence Length17w

0.52Hedging0.49

4.4Bold3.2

9.1Lists3.2

0.11Emoji0.00

1.87Headings1.08

0.27Transitions0.04

Based on 16 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

DeepSeek V4 Pro 0813 vs MiniMax M1New provider

DeepSeek V4 Pro 0813 vs GPT-5New provider

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