What is the difference between Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct?

Grok 4 Fast (free) is developed by xAI while Qwen3 Next 80B A3B Instruct is developed by Qwen. Grok 4 Fast (free) has a 2.0M token context window vs Qwen3 Next 80B A3B Instruct's 66K. You can compare their actual outputs across 35 challenges on Rival to see how they differ in practice.

Which is better, Grok 4 Fast (free) or Qwen3 Next 80B A3B Instruct?

It depends on your use case. Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 35 challenges so you can judge which fits your needs best.

How much does Grok 4 Fast (free) cost compared to Qwen3 Next 80B A3B Instruct?

Grok 4 Fast (free) costs $0/M input tokens and Qwen3 Next 80B A3B Instruct costs $0.15/M input tokens. Grok 4 Fast (free) is $0.15/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 Fast (free) and Qwen3 Next 80B A3B Instruct on Rival?

This page shows a side-by-side comparison of Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct 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 Fast (free) and Qwen3 Next 80B A3B Instruct?

Grok 4 Fast (free) is developed by xAI while Qwen3 Next 80B A3B Instruct is developed by Qwen. Grok 4 Fast (free) has a 2.0M token context window vs Qwen3 Next 80B A3B Instruct's 66K. You can compare their actual outputs across 35 challenges on Rival to see how they differ in practice.

Which is better, Grok 4 Fast (free) or Qwen3 Next 80B A3B Instruct?

It depends on your use case. Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 35 challenges so you can judge which fits your needs best.

How much does Grok 4 Fast (free) cost compared to Qwen3 Next 80B A3B Instruct?

Grok 4 Fast (free) costs $0/M input tokens and Qwen3 Next 80B A3B Instruct costs $0.15/M input tokens. Grok 4 Fast (free) is $0.15/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 Fast (free) and Qwen3 Next 80B A3B Instruct on Rival?

This page shows a side-by-side comparison of Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct 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 Fast (free) vs Qwen3 Next 80B A3B Instruct: Which Is Better?

Updated Sep 2025

Our Verdict

Grok 4 Fast (free)

Qwen3 Next 80B A3B InstructRunner-up

No community votes yet. On paper, Grok 4 Fast (free) has the edge — bigger context window, major provider backing.

Too close to call

What do Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct 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 Fast (free)

Input

$0.000

Output

$0.000

Qwen3 Next 80B A3B Instruct

Input

$0.15

Output

$1.50

Writing DNA

Style Comparison

Similarity

32%

Qwen3 Next 80B A3B Instruct uses 58.9x more emoji

Grok 4 Fast (free)

Qwen3 Next 80B A3B Instruct

65%Vocabulary52%

13wSentence Length16w

0.56Hedging0.20

1.4Bold5.8

2.5Lists3.7

0.00Emoji0.59

1.58Headings0.96

0.28Transitions0.05

Based on 14 + 20 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 Next 80B A3B Instruct vs MiniMax M3New provider

Qwen3 Next 80B A3B Instruct vs Ox AlphaNew provider

Qwen3 Next 80B A3B Instruct vs Claude Sonnet 4New provider

Updated Sep 2025

Our Verdict

Grok 4 Fast (free)

Qwen3 Next 80B A3B InstructRunner-up

No community votes yet. On paper, Grok 4 Fast (free) has the edge — bigger context window, major provider backing.

Too close to call

What do Grok 4 Fast (free) and Qwen3 Next 80B A3B Instruct 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 Fast (free)

Input

$0.000

Output

$0.000

Qwen3 Next 80B A3B Instruct

Input

$0.15

Output

$1.50

Writing DNA

Style Comparison

Similarity

32%

Qwen3 Next 80B A3B Instruct uses 58.9x more emoji

Grok 4 Fast (free)

Qwen3 Next 80B A3B Instruct

65%Vocabulary52%

13wSentence Length16w

0.56Hedging0.20

1.4Bold5.8

2.5Lists3.7

0.00Emoji0.59

1.58Headings0.96

0.28Transitions0.05

Based on 14 + 20 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 Next 80B A3B Instruct vs MiniMax M3New provider

Qwen3 Next 80B A3B Instruct vs Ox AlphaNew provider

Qwen3 Next 80B A3B Instruct vs Claude Sonnet 4New provider