What is the difference between GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B?

GPT-5.1 Chat is developed by OpenAI while Qwen: Qwen3.5 397B A17B is developed by Qwen. GPT-5.1 Chat has a 128K token context window vs Qwen: Qwen3.5 397B A17B's 262K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Chat or Qwen: Qwen3.5 397B A17B?

It depends on your use case. GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B 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 GPT-5.1 Chat cost compared to Qwen: Qwen3.5 397B A17B?

GPT-5.1 Chat costs $1.25/M input tokens and Qwen: Qwen3.5 397B A17B costs $0.6/M input tokens. Qwen: Qwen3.5 397B A17B is $0.65/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 GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B on Rival?

This page shows a side-by-side comparison of GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B 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 GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B?

GPT-5.1 Chat is developed by OpenAI while Qwen: Qwen3.5 397B A17B is developed by Qwen. GPT-5.1 Chat has a 128K token context window vs Qwen: Qwen3.5 397B A17B's 262K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Chat or Qwen: Qwen3.5 397B A17B?

It depends on your use case. GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B 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 GPT-5.1 Chat cost compared to Qwen: Qwen3.5 397B A17B?

GPT-5.1 Chat costs $1.25/M input tokens and Qwen: Qwen3.5 397B A17B costs $0.6/M input tokens. Qwen: Qwen3.5 397B A17B is $0.65/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 GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B on Rival?

This page shows a side-by-side comparison of GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B 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.

GPT-5.1 Chat vs Qwen: Qwen3.5 397B A17B: Which Is Better?

Updated Feb 2026

Our Verdict

Qwen: Qwen3.5 397B A17B

GPT-5.1 ChatRunner-up

No community votes yet. On paper, Qwen: Qwen3.5 397B A17B has the edge — bigger model tier, newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1 Chat

Input

$1.25

Output

$10.00

Qwen: Qwen3.5 397B A17B

Input

$0.60

2.1× cheaper

Output

$3.60

2.8× cheaper

Qwen: Qwen3.5 397B A17B is cheaper on both — 2.1× input, 2.8× output

Writing DNA

Style Comparison

Similarity

27%

Qwen: Qwen3.5 397B A17B uses 22.8x more emoji

GPT-5.1 Chat

Qwen: Qwen3.5 397B A17B

73%Vocabulary54%

18wSentence Length14w

0.45Hedging0.39

1.1Bold6.9

2.4Lists4.2

0.00Emoji0.23

0.00Headings0.93

0.06Transitions0.17

Based on 15 + 23 text responses

Research

What we learned reading every model

GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 Chat vs MiniMax M3New provider

GPT-5.1 Chat vs Llama 4 MaverickNew provider

GPT-5.1 Chat vs Claude Opus 4New provider

Updated Feb 2026

Our Verdict

Qwen: Qwen3.5 397B A17B

GPT-5.1 ChatRunner-up

No community votes yet. On paper, Qwen: Qwen3.5 397B A17B has the edge — bigger model tier, newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1 Chat

Input

$1.25

Output

$10.00

Qwen: Qwen3.5 397B A17B

Input

$0.60

2.1× cheaper

Output

$3.60

2.8× cheaper

Qwen: Qwen3.5 397B A17B is cheaper on both — 2.1× input, 2.8× output

Writing DNA

Style Comparison

Similarity

27%

Qwen: Qwen3.5 397B A17B uses 22.8x more emoji

GPT-5.1 Chat

Qwen: Qwen3.5 397B A17B

73%Vocabulary54%

18wSentence Length14w

0.45Hedging0.39

1.1Bold6.9

2.4Lists4.2

0.00Emoji0.23

0.00Headings0.93

0.06Transitions0.17

Based on 15 + 23 text responses

Research

What we learned reading every model

GPT-5.1 Chat and Qwen: Qwen3.5 397B A17B have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 Chat vs MiniMax M3New provider

GPT-5.1 Chat vs Llama 4 MaverickNew provider

GPT-5.1 Chat vs Claude Opus 4New provider