What is the difference between DeepSeek V3.1 and Qwen3 Coder Flash?

DeepSeek V3.1 is developed by DeepSeek while Qwen3 Coder Flash is developed by Qwen. DeepSeek V3.1 has a 164K token context window vs Qwen3 Coder Flash's 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V3.1 or Qwen3 Coder Flash?

It depends on your use case. DeepSeek V3.1 and Qwen3 Coder Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does DeepSeek V3.1 cost compared to Qwen3 Coder Flash?

DeepSeek V3.1 costs $0.2/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. DeepSeek V3.1 is $0.10/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 Qwen3 Coder Flash on Rival?

This page shows a side-by-side comparison of DeepSeek V3.1 and Qwen3 Coder Flash 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 Qwen3 Coder Flash?

DeepSeek V3.1 is developed by DeepSeek while Qwen3 Coder Flash is developed by Qwen. DeepSeek V3.1 has a 164K token context window vs Qwen3 Coder Flash's 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V3.1 or Qwen3 Coder Flash?

It depends on your use case. DeepSeek V3.1 and Qwen3 Coder Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does DeepSeek V3.1 cost compared to Qwen3 Coder Flash?

DeepSeek V3.1 costs $0.2/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. DeepSeek V3.1 is $0.10/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 Qwen3 Coder Flash on Rival?

This page shows a side-by-side comparison of DeepSeek V3.1 and Qwen3 Coder Flash 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 Sep 2025

DeepSeek V3.1vsQwen3 Coder Flash

DeepSeek V3.1 is cheaper than Qwen3 Coder Flash at $0.2/M vs $0.3/M input tokens.

DeepSeek V3.1 and Qwen3 Coder Flash compared across 54 shared prompts
Spec	DeepSeek V3.1	Qwen3 Coder Flash
Input price	$0.2/M tokens	$0.3/M tokens
Output price	$0.8/M tokens	$1.5/M tokens
Context window	164K tokens	128K tokens
Released	Aug 2025	Sep 2025
SWE-bench Verified	66.0%	50.3%

Our Verdict

DeepSeek V3.1

Qwen3 Coder FlashRunner-up

Not enough votes to call it. On the specs, DeepSeek V3.1 has the edge: bigger model tier, major provider backing.

Too close to call

What do DeepSeek V3.1 and Qwen3 Coder Flash 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

1.5× cheaper

Output

$0.80

1.9× cheaper

Qwen3 Coder Flash

Input

$0.30

Output

$1.50

DeepSeek V3.1 is cheaper on both — 1.5× input, 1.9× output

Writing DNA

Style Comparison

Similarity

38%

DeepSeek V3.1 uses 2.4x more emoji

DeepSeek V3.1

Qwen3 Coder Flash

53%Vocabulary60%

14wSentence Length92w

0.42Hedging0.60

4.0Bold6.1

3.6Lists6.2

0.02Emoji0.00

0.40Headings1.64

0.22Transitions0.18

Based on 23 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 Coder Flash vs Ox AlphaNew provider

Qwen3 Coder Flash vs MiniMax M3New provider

Qwen3 Coder Flash vs GPT-5New provider

Qwen3 Coder Flash vs Claude Opus 4New provider

DeepSeek V3.1 vs Qwen3.6 35B A3BCross-provider

DeepSeek V3.1 vs Qwen3.6 FlashCross-provider

DeepSeek V3.1 vs Qwen3.6 Max PreviewCross-provider

DeepSeek V3.1 vs Qwen3.6 Plus Preview (free)Cross-provider

Updated Sep 2025

DeepSeek V3.1vsQwen3 Coder Flash

DeepSeek V3.1 is cheaper than Qwen3 Coder Flash at $0.2/M vs $0.3/M input tokens.

DeepSeek V3.1 and Qwen3 Coder Flash compared across 54 shared prompts
Spec	DeepSeek V3.1	Qwen3 Coder Flash
Input price	$0.2/M tokens	$0.3/M tokens
Output price	$0.8/M tokens	$1.5/M tokens
Context window	164K tokens	128K tokens
Released	Aug 2025	Sep 2025
SWE-bench Verified	66.0%	50.3%

Our Verdict

DeepSeek V3.1

Qwen3 Coder FlashRunner-up

Not enough votes to call it. On the specs, DeepSeek V3.1 has the edge: bigger model tier, major provider backing.

Too close to call

What do DeepSeek V3.1 and Qwen3 Coder Flash 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

1.5× cheaper

Output

$0.80

1.9× cheaper

Qwen3 Coder Flash

Input

$0.30

Output

$1.50

DeepSeek V3.1 is cheaper on both — 1.5× input, 1.9× output

Writing DNA

Style Comparison

Similarity

38%

DeepSeek V3.1 uses 2.4x more emoji

DeepSeek V3.1

Qwen3 Coder Flash

53%Vocabulary60%

14wSentence Length92w

0.42Hedging0.60

4.0Bold6.1

3.6Lists6.2

0.02Emoji0.00

0.40Headings1.64

0.22Transitions0.18

Based on 23 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 Coder Flash vs Ox AlphaNew provider

Qwen3 Coder Flash vs MiniMax M3New provider

Qwen3 Coder Flash vs GPT-5New provider

Qwen3 Coder Flash vs Claude Opus 4New provider

DeepSeek V3.1 vs Qwen3.6 35B A3BCross-provider

DeepSeek V3.1 vs Qwen3.6 FlashCross-provider

DeepSeek V3.1 vs Qwen3.6 Max PreviewCross-provider

DeepSeek V3.1 vs Qwen3.6 Plus Preview (free)Cross-provider