What is the difference between DeepSeek V4 Pro 0813 and Qwen3.5 9B?

DeepSeek V4 Pro 0813 is developed by DeepSeek while Qwen3.5 9B is developed by Qwen. DeepSeek V4 Pro 0813 has a 1.0M token context window vs Qwen3.5 9B's 262K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Pro 0813 or Qwen3.5 9B?

It depends on your use case. DeepSeek V4 Pro 0813 and Qwen3.5 9B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Pro 0813 cost compared to Qwen3.5 9B?

DeepSeek V4 Pro 0813 costs $0.66/M input tokens and Qwen3.5 9B costs $0.1/M input tokens. Qwen3.5 9B is $0.56/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 Qwen3.5 9B on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Pro 0813 and Qwen3.5 9B 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 Qwen3.5 9B?

DeepSeek V4 Pro 0813 is developed by DeepSeek while Qwen3.5 9B is developed by Qwen. DeepSeek V4 Pro 0813 has a 1.0M token context window vs Qwen3.5 9B's 262K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4 Pro 0813 or Qwen3.5 9B?

It depends on your use case. DeepSeek V4 Pro 0813 and Qwen3.5 9B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does DeepSeek V4 Pro 0813 cost compared to Qwen3.5 9B?

DeepSeek V4 Pro 0813 costs $0.66/M input tokens and Qwen3.5 9B costs $0.1/M input tokens. Qwen3.5 9B is $0.56/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 Qwen3.5 9B on Rival?

This page shows a side-by-side comparison of DeepSeek V4 Pro 0813 and Qwen3.5 9B 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.

Updated Aug 2026

DeepSeek V4 Pro 0813vsQwen3.5 9B

Qwen3.5 9B is cheaper than DeepSeek V4 Pro 0813 at $0.1/M vs $0.66/M input tokens.

DeepSeek V4 Pro 0813 and Qwen3.5 9B compared across 52 shared prompts
Spec	DeepSeek V4 Pro 0813	Qwen3.5 9B
Input price	$0.66/M tokens	$0.1/M tokens
Output price	$1.98/M tokens	$0.15/M tokens
Context window	1.0M tokens	262K tokens
Released	Aug 2026	Mar 2026

Our Verdict

DeepSeek V4 Pro 0813

Qwen3.5 9BRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Pro 0813 has the edge: bigger model tier, newer, bigger context window, major provider backing.

Qwen3.5 9B costs 13x less per token.

Slight edge

What do DeepSeek V4 Pro 0813 and Qwen3.5 9B 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

Output

$1.98

Qwen3.5 9B

Input

$0.10

6.6× cheaper

Output

$0.15

13× cheaper

Qwen3.5 9B is cheaper on both — 6.6× input, 13× output

Writing DNA

Style Comparison

Similarity

44%

Qwen3.5 9B uses 2.9x more transitions

DeepSeek V4 Pro 0813

Qwen3.5 9B

57%Vocabulary47%

17wSentence Length15w

0.49Hedging0.41

3.2Bold6.9

3.2Lists4.8

0.00Emoji0.00

1.08Headings0.91

0.04Transitions0.12

Based on 27 + 21 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3.5 9B vs MiniMax M3New provider

Qwen3.5 9B vs Ox AlphaNew provider

Qwen3.5 9B vs Claude Opus 4New provider

Qwen3.5 9B vs Claude Opus 4.1New provider

Qwen3.5 9B vs DeepSeek R1 0528Cross-provider

Qwen3.5 9B vs DeepSeek V3 (March 2024)Cross-provider

Qwen3.5 9B vs DeepSeek V3.2Cross-provider

Qwen3.5 9B vs DeepSeek V3.2 ExpCross-provider

Updated Aug 2026

DeepSeek V4 Pro 0813vsQwen3.5 9B

Qwen3.5 9B is cheaper than DeepSeek V4 Pro 0813 at $0.1/M vs $0.66/M input tokens.

DeepSeek V4 Pro 0813 and Qwen3.5 9B compared across 52 shared prompts
Spec	DeepSeek V4 Pro 0813	Qwen3.5 9B
Input price	$0.66/M tokens	$0.1/M tokens
Output price	$1.98/M tokens	$0.15/M tokens
Context window	1.0M tokens	262K tokens
Released	Aug 2026	Mar 2026

Our Verdict

DeepSeek V4 Pro 0813

Qwen3.5 9BRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Pro 0813 has the edge: bigger model tier, newer, bigger context window, major provider backing.

Qwen3.5 9B costs 13x less per token.

Slight edge

What do DeepSeek V4 Pro 0813 and Qwen3.5 9B 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

Output

$1.98

Qwen3.5 9B

Input

$0.10

6.6× cheaper

Output

$0.15

13× cheaper

Qwen3.5 9B is cheaper on both — 6.6× input, 13× output

Writing DNA

Style Comparison

Similarity

44%

Qwen3.5 9B uses 2.9x more transitions

DeepSeek V4 Pro 0813

Qwen3.5 9B

57%Vocabulary47%

17wSentence Length15w

0.49Hedging0.41

3.2Bold6.9

3.2Lists4.8

0.00Emoji0.00

1.08Headings0.91

0.04Transitions0.12

Based on 27 + 21 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3.5 9B vs MiniMax M3New provider

Qwen3.5 9B vs Ox AlphaNew provider

Qwen3.5 9B vs Claude Opus 4New provider

Qwen3.5 9B vs Claude Opus 4.1New provider

Qwen3.5 9B vs DeepSeek R1 0528Cross-provider

Qwen3.5 9B vs DeepSeek V3 (March 2024)Cross-provider

Qwen3.5 9B vs DeepSeek V3.2Cross-provider

Qwen3.5 9B vs DeepSeek V3.2 ExpCross-provider