What is the difference between Grok 4 and Qwen3.8 Max?

Grok 4 is developed by xAI while Qwen3.8 Max is developed by Qwen. Grok 4 has a 256K 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, Grok 4 or Qwen3.8 Max?

It depends on your use case. Grok 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 Grok 4 cost compared to Qwen3.8 Max?

Grok 4 costs $3/M input tokens and Qwen3.8 Max costs $2/M input tokens. Qwen3.8 Max is $1.00/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 Grok 4 and Qwen3.8 Max on Rival?

This page shows a side-by-side comparison of Grok 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 Grok 4 and Qwen3.8 Max?

Grok 4 is developed by xAI while Qwen3.8 Max is developed by Qwen. Grok 4 has a 256K 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, Grok 4 or Qwen3.8 Max?

It depends on your use case. Grok 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 Grok 4 cost compared to Qwen3.8 Max?

Grok 4 costs $3/M input tokens and Qwen3.8 Max costs $2/M input tokens. Qwen3.8 Max is $1.00/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 Grok 4 and Qwen3.8 Max on Rival?

This page shows a side-by-side comparison of Grok 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.

Grok 4 vs Qwen3.8 Max: Which Is Better?

Updated Aug 2026

Our Verdict

Qwen3.8 Max

Grok 4Runner-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 Grok 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

Grok 4

Input

$3.00

Output

$15.00

Qwen3.8 Max

Input

$2.00

1.5× cheaper

Output

$6.00

2.5× cheaper

Qwen3.8 Max is cheaper on both — 1.5× input, 2.5× output

Writing DNA

Style Comparison

Similarity

64%

Grok 4 uses 7.0x more emoji

Grok 4

Qwen3.8 Max

53%Vocabulary48%

18wSentence Length17w

0.67Hedging0.95

2.7Bold4.3

2.7Lists8.2

0.07Emoji0.00

0.86Headings1.92

0.04Transitions0.02

Based on 21 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 4 vs Ox AlphaNew provider

Grok 4 vs MiniMax M3New provider

Grok 4 vs GPT-5New provider

Updated Aug 2026

Our Verdict

Qwen3.8 Max

Grok 4Runner-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 Grok 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

Grok 4

Input

$3.00

Output

$15.00

Qwen3.8 Max

Input

$2.00

1.5× cheaper

Output

$6.00

2.5× cheaper

Qwen3.8 Max is cheaper on both — 1.5× input, 2.5× output

Writing DNA

Style Comparison

Similarity

64%

Grok 4 uses 7.0x more emoji

Grok 4

Qwen3.8 Max

53%Vocabulary48%

18wSentence Length17w

0.67Hedging0.95

2.7Bold4.3

2.7Lists8.2

0.07Emoji0.00

0.86Headings1.92

0.04Transitions0.02

Based on 21 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 4 vs Ox AlphaNew provider

Grok 4 vs MiniMax M3New provider

Grok 4 vs GPT-5New provider