What is the difference between GPT-5.1 Chat and Qwen3.8 Max?

GPT-5.1 Chat is developed by OpenAI while Qwen3.8 Max is developed by Qwen. GPT-5.1 Chat has a 128K token context window vs Qwen3.8 Max's 1.0M. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Chat or Qwen3.8 Max?

It depends on your use case. GPT-5.1 Chat and Qwen3.8 Max each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 21 challenges so you can judge which fits your needs best.

How much does GPT-5.1 Chat cost compared to Qwen3.8 Max?

GPT-5.1 Chat costs $1.25/M input tokens and Qwen3.8 Max costs $2/M input tokens. GPT-5.1 Chat is $0.75/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 Qwen3.8 Max on Rival?

This page shows a side-by-side comparison of GPT-5.1 Chat and Qwen3.8 Max 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 Qwen3.8 Max?

GPT-5.1 Chat is developed by OpenAI while Qwen3.8 Max is developed by Qwen. GPT-5.1 Chat has a 128K token context window vs Qwen3.8 Max's 1.0M. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Chat or Qwen3.8 Max?

It depends on your use case. GPT-5.1 Chat and Qwen3.8 Max each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 21 challenges so you can judge which fits your needs best.

How much does GPT-5.1 Chat cost compared to Qwen3.8 Max?

GPT-5.1 Chat costs $1.25/M input tokens and Qwen3.8 Max costs $2/M input tokens. GPT-5.1 Chat is $0.75/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 Qwen3.8 Max on Rival?

This page shows a side-by-side comparison of GPT-5.1 Chat and Qwen3.8 Max 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 Qwen3.8 Max: Which Is Better?

Updated Aug 2026

Our Verdict

Qwen3.8 Max

GPT-5.1 ChatRunner-up

No community votes yet. On paper, Qwen3.8 Max has the edge — bigger model tier, newer, bigger context window.

Too close to call

What do GPT-5.1 Chat and Qwen3.8 Max say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.1 Chat

Input

$1.25

1.6× cheaper

Output

$10.00

Qwen3.8 Max

Input

$2.00

Output

$6.00

1.7× cheaper

GPT-5.1 Chat wins input (1.6× cheaper)·Qwen3.8 Max wins output (1.7× cheaper)

Writing DNA

Style Comparison

Similarity

35%

Qwen3.8 Max uses 191.6x more headings

GPT-5.1 Chat

Qwen3.8 Max

73%Vocabulary48%

18wSentence Length17w

0.45Hedging0.95

1.1Bold4.3

2.4Lists8.2

0.00Emoji0.00

0.00Headings1.92

0.06Transitions0.02

Based on 15 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 Chat vs Ox AlphaNew provider

GPT-5.1 Chat vs MiniMax M3New provider

GPT-5.1 Chat vs Gemini 3.6 FlashNew provider

Updated Aug 2026

Our Verdict

Qwen3.8 Max

GPT-5.1 ChatRunner-up

No community votes yet. On paper, Qwen3.8 Max has the edge — bigger model tier, newer, bigger context window.

Too close to call

What do GPT-5.1 Chat and Qwen3.8 Max say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.1 Chat

Input

$1.25

1.6× cheaper

Output

$10.00

Qwen3.8 Max

Input

$2.00

Output

$6.00

1.7× cheaper

GPT-5.1 Chat wins input (1.6× cheaper)·Qwen3.8 Max wins output (1.7× cheaper)

Writing DNA

Style Comparison

Similarity

35%

Qwen3.8 Max uses 191.6x more headings

GPT-5.1 Chat

Qwen3.8 Max

73%Vocabulary48%

18wSentence Length17w

0.45Hedging0.95

1.1Bold4.3

2.4Lists8.2

0.00Emoji0.00

0.00Headings1.92

0.06Transitions0.02

Based on 15 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 Chat vs Ox AlphaNew provider

GPT-5.1 Chat vs MiniMax M3New provider

GPT-5.1 Chat vs Gemini 3.6 FlashNew provider