What is the difference between Qwen3.5 9B and Qwen3.8 27B?

Both are developed by Qwen but target different use cases. Qwen3.5 9B has a 262K token context window vs Qwen3.8 27B's 262K. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Qwen3.5 9B or Qwen3.8 27B?

It depends on your use case. Qwen3.5 9B and Qwen3.8 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 30 challenges so you can judge which fits your needs best.

How much does Qwen3.5 9B cost compared to Qwen3.8 27B?

Qwen3.5 9B costs $0.1/M input tokens and Qwen3.8 27B costs $0.4/M input tokens. Qwen3.5 9B is $0.30/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 Qwen3.5 9B and Qwen3.8 27B on Rival?

This page shows a side-by-side comparison of Qwen3.5 9B and Qwen3.8 27B 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 Qwen3.5 9B and Qwen3.8 27B?

Both are developed by Qwen but target different use cases. Qwen3.5 9B has a 262K token context window vs Qwen3.8 27B's 262K. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Qwen3.5 9B or Qwen3.8 27B?

It depends on your use case. Qwen3.5 9B and Qwen3.8 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 30 challenges so you can judge which fits your needs best.

How much does Qwen3.5 9B cost compared to Qwen3.8 27B?

Qwen3.5 9B costs $0.1/M input tokens and Qwen3.8 27B costs $0.4/M input tokens. Qwen3.5 9B is $0.30/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 Qwen3.5 9B and Qwen3.8 27B on Rival?

This page shows a side-by-side comparison of Qwen3.5 9B and Qwen3.8 27B 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.

Qwen3.5 9B vs Qwen3.8 27B: Which Is Better?

Updated Aug 2026

Our Verdict

Qwen3.8 27B

Qwen3.5 9BRunner-up

No community votes yet. On paper, Qwen3.8 27B has the edge — bigger model tier, newer.

Qwen3.5 9B is 20x cheaper per token — worth considering if cost matters.

Too close to call

What do Qwen3.5 9B and Qwen3.8 27B say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Qwen3.5 9B

Input

$0.10

4.0× cheaper

Output

$0.15

20× cheaper

Qwen3.8 27B

Input

$0.40

Output

$3.00

Qwen3.5 9B is cheaper on both — 4.0× input, 20× output

Writing DNA

Style Comparison

Similarity

63%

Qwen3.5 9B uses 7.6x more transitions

Qwen3.5 9B

Qwen3.8 27B

47%Vocabulary45%

15wSentence Length17w

0.41Hedging0.59

6.9Bold3.8

4.8Lists6.3

0.00Emoji0.00

0.91Headings1.08

0.12Transitions0.02

Based on 21 + 15 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 GPT-5New provider

Qwen3.5 9B vs Gemini 3.6 FlashNew provider

Updated Aug 2026

Our Verdict

Qwen3.8 27B

Qwen3.5 9BRunner-up

No community votes yet. On paper, Qwen3.8 27B has the edge — bigger model tier, newer.

Qwen3.5 9B is 20x cheaper per token — worth considering if cost matters.

Too close to call

What do Qwen3.5 9B and Qwen3.8 27B say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Qwen3.5 9B

Input

$0.10

4.0× cheaper

Output

$0.15

20× cheaper

Qwen3.8 27B

Input

$0.40

Output

$3.00

Qwen3.5 9B is cheaper on both — 4.0× input, 20× output

Writing DNA

Style Comparison

Similarity

63%

Qwen3.5 9B uses 7.6x more transitions

Qwen3.5 9B

Qwen3.8 27B

47%Vocabulary45%

15wSentence Length17w

0.41Hedging0.59

6.9Bold3.8

4.8Lists6.3

0.00Emoji0.00

0.91Headings1.08

0.12Transitions0.02

Based on 21 + 15 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 GPT-5New provider

Qwen3.5 9B vs Gemini 3.6 FlashNew provider