What is the difference between GPT-5.4 and Qwen3.8 Max?

GPT-5.4 is developed by OpenAI while Qwen3.8 Max is developed by Qwen. GPT-5.4 has a 1.1M 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-5.4 or Qwen3.8 Max?

It depends on your use case. GPT-5.4 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-5.4 cost compared to Qwen3.8 Max?

GPT-5.4 costs $2.5/M input tokens and Qwen3.8 Max costs $2/M input tokens. Qwen3.8 Max is $0.50/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-5.4 and Qwen3.8 Max on Rival?

This page shows a side-by-side comparison of GPT-5.4 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-5.4 and Qwen3.8 Max?

GPT-5.4 is developed by OpenAI while Qwen3.8 Max is developed by Qwen. GPT-5.4 has a 1.1M 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-5.4 or Qwen3.8 Max?

It depends on your use case. GPT-5.4 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-5.4 cost compared to Qwen3.8 Max?

GPT-5.4 costs $2.5/M input tokens and Qwen3.8 Max costs $2/M input tokens. Qwen3.8 Max is $0.50/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-5.4 and Qwen3.8 Max on Rival?

This page shows a side-by-side comparison of GPT-5.4 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-5.4 vs Qwen3.8 Max: Which Is Better?

Updated Aug 2026

Our Verdict

GPT-5.4

Qwen3.8 Max

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

What do GPT-5.4 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-5.4

Input

$2.50

Output

$15.00

Qwen3.8 Max

Input

$2.00

1.3× cheaper

Output

$6.00

2.5× cheaper

Qwen3.8 Max is cheaper on both — 1.3× input, 2.5× output

Writing DNA

Style Comparison

Similarity

87%

GPT-5.4 uses 1.6x more sentence length

GPT-5.4

Qwen3.8 Max

54%Vocabulary48%

28wSentence Length17w

0.69Hedging0.95

4.1Bold4.3

8.1Lists8.2

0.00Emoji0.00

1.84Headings1.92

0.02Transitions0.02

Based on 22 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.4 vs MiniMax M3New provider

GPT-5.4 vs Gemini 3.6 FlashNew provider

GPT-5.4 vs Llama 4 MaverickNew provider

Updated Aug 2026

Our Verdict

GPT-5.4

Qwen3.8 Max

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

What do GPT-5.4 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-5.4

Input

$2.50

Output

$15.00

Qwen3.8 Max

Input

$2.00

1.3× cheaper

Output

$6.00

2.5× cheaper

Qwen3.8 Max is cheaper on both — 1.3× input, 2.5× output

Writing DNA

Style Comparison

Similarity

87%

GPT-5.4 uses 1.6x more sentence length

GPT-5.4

Qwen3.8 Max

54%Vocabulary48%

28wSentence Length17w

0.69Hedging0.95

4.1Bold4.3

8.1Lists8.2

0.00Emoji0.00

1.84Headings1.92

0.02Transitions0.02

Based on 22 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.4 vs MiniMax M3New provider

GPT-5.4 vs Gemini 3.6 FlashNew provider

GPT-5.4 vs Llama 4 MaverickNew provider