What is the difference between DeepSeek V3.1 and DeepSeek V4 Pro 0813?

Both are developed by DeepSeek but target different use cases. DeepSeek V3.1 has a 164K 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, DeepSeek V3.1 or DeepSeek V4 Pro 0813?

It depends on your use case. DeepSeek V3.1 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 DeepSeek V3.1 cost compared to DeepSeek V4 Pro 0813?

DeepSeek V3.1 costs $0.2/M input tokens and DeepSeek V4 Pro 0813 costs $0.66/M input tokens. DeepSeek V3.1 is $0.46/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 V3.1 and DeepSeek V4 Pro 0813 on Rival?

This page shows a side-by-side comparison of DeepSeek V3.1 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 DeepSeek V3.1 and DeepSeek V4 Pro 0813?

Both are developed by DeepSeek but target different use cases. DeepSeek V3.1 has a 164K 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, DeepSeek V3.1 or DeepSeek V4 Pro 0813?

It depends on your use case. DeepSeek V3.1 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 DeepSeek V3.1 cost compared to DeepSeek V4 Pro 0813?

DeepSeek V3.1 costs $0.2/M input tokens and DeepSeek V4 Pro 0813 costs $0.66/M input tokens. DeepSeek V3.1 is $0.46/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 V3.1 and DeepSeek V4 Pro 0813 on Rival?

This page shows a side-by-side comparison of DeepSeek V3.1 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.

DeepSeek V3.1 vs DeepSeek V4 Pro 0813: Which Is Better?

Updated Aug 2026

Our Verdict

DeepSeek V4 Pro 0813

DeepSeek V3.1Runner-up

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

Too close to call

What do DeepSeek V3.1 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

DeepSeek V3.1

Input

$0.20

3.3× cheaper

Output

$0.80

2.5× cheaper

DeepSeek V4 Pro 0813

Input

$0.66

Output

$1.98

DeepSeek V3.1 is cheaper on both — 3.3× input, 2.5× output

Writing DNA

Style Comparison

Similarity

50%

DeepSeek V3.1 uses 2.4x more emoji

DeepSeek V3.1

DeepSeek V4 Pro 0813

53%Vocabulary57%

14wSentence Length17w

0.42Hedging0.49

4.0Bold3.2

3.6Lists3.2

0.02Emoji0.00

0.40Headings1.08

0.22Transitions0.04

Based on 23 + 27 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 GPT-5New provider

DeepSeek V4 Pro 0813 vs Claude Opus 4New provider

Updated Aug 2026

Our Verdict

DeepSeek V4 Pro 0813

DeepSeek V3.1Runner-up

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

Too close to call

What do DeepSeek V3.1 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

DeepSeek V3.1

Input

$0.20

3.3× cheaper

Output

$0.80

2.5× cheaper

DeepSeek V4 Pro 0813

Input

$0.66

Output

$1.98

DeepSeek V3.1 is cheaper on both — 3.3× input, 2.5× output

Writing DNA

Style Comparison

Similarity

50%

DeepSeek V3.1 uses 2.4x more emoji

DeepSeek V3.1

DeepSeek V4 Pro 0813

53%Vocabulary57%

14wSentence Length17w

0.42Hedging0.49

4.0Bold3.2

3.6Lists3.2

0.02Emoji0.00

0.40Headings1.08

0.22Transitions0.04

Based on 23 + 27 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 GPT-5New provider

DeepSeek V4 Pro 0813 vs Claude Opus 4New provider