What is the difference between xAI: Grok 4 and Grok 4.20 Multi-Agent Beta?

Both are developed by xAI but target different use cases. xAI: Grok 4 has a 256K token context window vs Grok 4.20 Multi-Agent Beta's 2.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4 or Grok 4.20 Multi-Agent Beta?

It depends on your use case. xAI: Grok 4 and Grok 4.20 Multi-Agent Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does xAI: Grok 4 cost compared to Grok 4.20 Multi-Agent Beta?

xAI: Grok 4 costs $3/M input tokens and Grok 4.20 Multi-Agent Beta costs $2/M input tokens. Grok 4.20 Multi-Agent Beta 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 xAI: Grok 4 and Grok 4.20 Multi-Agent Beta on Rival?

This page shows a side-by-side comparison of xAI: Grok 4 and Grok 4.20 Multi-Agent Beta 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 xAI: Grok 4 and Grok 4.20 Multi-Agent Beta?

Both are developed by xAI but target different use cases. xAI: Grok 4 has a 256K token context window vs Grok 4.20 Multi-Agent Beta's 2.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4 or Grok 4.20 Multi-Agent Beta?

It depends on your use case. xAI: Grok 4 and Grok 4.20 Multi-Agent Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does xAI: Grok 4 cost compared to Grok 4.20 Multi-Agent Beta?

xAI: Grok 4 costs $3/M input tokens and Grok 4.20 Multi-Agent Beta costs $2/M input tokens. Grok 4.20 Multi-Agent Beta 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 xAI: Grok 4 and Grok 4.20 Multi-Agent Beta on Rival?

This page shows a side-by-side comparison of xAI: Grok 4 and Grok 4.20 Multi-Agent Beta 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.

xAI: Grok 4 vs Grok 4.20 Multi-Agent Beta: Which Is Better?

Updated Mar 2026

Our Verdict

Grok 4.20 Multi-Agent Beta

xAI: Grok 4Runner-up

No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window.

Slight edge

API pricing

Cost per 1M tokens

xAI: Grok 4

Input

$3.00

Output

$15.00

Grok 4.20 Multi-Agent Beta

Input

$2.00

1.5× cheaper

Output

$6.00

2.5× cheaper

Grok 4.20 Multi-Agent Beta is cheaper on both — 1.5× input, 2.5× output

Writing DNA

Style Comparison

Similarity

75%

xAI: Grok 4 uses 7.0x more emoji

xAI: Grok 4

Grok 4.20 Multi-Agent Beta

53%Vocabulary59%

18wSentence Length16w

0.67Hedging0.41

2.7Bold2.7

2.7Lists2.4

0.07Emoji0.00

0.86Headings0.26

0.04Transitions0.02

Based on 21 + 23 text responses

Research

What we learned reading every model

xAI: Grok 4 and Grok 4.20 Multi-Agent Beta have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

xAI: Grok 4 vs MiniMax M3New provider

xAI: Grok 4 vs GPT-5New provider

xAI: Grok 4 vs Claude Opus 4.1New provider

Updated Mar 2026

Our Verdict

Grok 4.20 Multi-Agent Beta

xAI: Grok 4Runner-up

No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window.

Slight edge

API pricing

Cost per 1M tokens

xAI: Grok 4

Input

$3.00

Output

$15.00

Grok 4.20 Multi-Agent Beta

Input

$2.00

1.5× cheaper

Output

$6.00

2.5× cheaper

Grok 4.20 Multi-Agent Beta is cheaper on both — 1.5× input, 2.5× output

Writing DNA

Style Comparison

Similarity

75%

xAI: Grok 4 uses 7.0x more emoji

xAI: Grok 4

Grok 4.20 Multi-Agent Beta

53%Vocabulary59%

18wSentence Length16w

0.67Hedging0.41

2.7Bold2.7

2.7Lists2.4

0.07Emoji0.00

0.86Headings0.26

0.04Transitions0.02

Based on 21 + 23 text responses

Research

What we learned reading every model

xAI: Grok 4 and Grok 4.20 Multi-Agent Beta have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

xAI: Grok 4 vs MiniMax M3New provider

xAI: Grok 4 vs GPT-5New provider

xAI: Grok 4 vs Claude Opus 4.1New provider