What is the difference between Grok 4 Fast (free) and Qwen3 30B A3B?

Grok 4 Fast (free) is developed by xAI while Qwen3 30B A3B is developed by Qwen. Grok 4 Fast (free) has a 2.0M token context window vs Qwen3 30B A3B's 41K. 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 30B A3B?

It depends on your use case. Grok 4 Fast (free) and Qwen3 30B A3B 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 30B A3B?

Grok 4 Fast (free) costs $0/M input tokens and Qwen3 30B A3B costs $0/M input tokens. Qwen3 30B A3B is $0.00/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 Fast (free) and Qwen3 30B A3B on Rival?

This page shows a side-by-side comparison of Grok 4 Fast (free) and Qwen3 30B A3B 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 30B A3B?

Grok 4 Fast (free) is developed by xAI while Qwen3 30B A3B is developed by Qwen. Grok 4 Fast (free) has a 2.0M token context window vs Qwen3 30B A3B's 41K. 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 30B A3B?

It depends on your use case. Grok 4 Fast (free) and Qwen3 30B A3B 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 30B A3B?

Grok 4 Fast (free) costs $0/M input tokens and Qwen3 30B A3B costs $0/M input tokens. Qwen3 30B A3B is $0.00/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 Fast (free) and Qwen3 30B A3B on Rival?

This page shows a side-by-side comparison of Grok 4 Fast (free) and Qwen3 30B A3B 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 30B A3B: Which Is Better?

Updated Sep 2025

Our Verdict

Grok 4 Fast (free)

Qwen3 30B A3BRunner-up

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

Too close to call

What do Grok 4 Fast (free) and Qwen3 30B A3B 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 30B A3B

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

51%

Qwen3 30B A3B uses 36.1x more emoji

Grok 4 Fast (free)

Qwen3 30B A3B

65%Vocabulary60%

13wSentence Length11w

0.56Hedging0.24

1.4Bold7.6

2.5Lists4.6

0.00Emoji0.36

1.58Headings0.00

0.28Transitions0.06

Based on 14 + 4 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 30B A3B vs MiniMax M3New provider

Qwen3 30B A3B vs Ox AlphaNew provider

Qwen3 30B A3B vs Claude Sonnet 4New provider

Updated Sep 2025

Our Verdict

Grok 4 Fast (free)

Qwen3 30B A3BRunner-up

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

Too close to call

What do Grok 4 Fast (free) and Qwen3 30B A3B 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 30B A3B

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

51%

Qwen3 30B A3B uses 36.1x more emoji

Grok 4 Fast (free)

Qwen3 30B A3B

65%Vocabulary60%

13wSentence Length11w

0.56Hedging0.24

1.4Bold7.6

2.5Lists4.6

0.00Emoji0.36

1.58Headings0.00

0.28Transitions0.06

Based on 14 + 4 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 30B A3B vs MiniMax M3New provider

Qwen3 30B A3B vs Ox AlphaNew provider

Qwen3 30B A3B vs Claude Sonnet 4New provider