What is the difference between Grok 3 and Grok 4.20 Multi-Agent Beta?

Both are developed by xAI but target different use cases. Grok 3 has a 128K token context window vs Grok 4.20 Multi-Agent Beta's 2.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 or Grok 4.20 Multi-Agent Beta?

It depends on your use case. Grok 3 and Grok 4.20 Multi-Agent Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and Grok 4.20 Multi-Agent Beta on Rival?

This page shows a side-by-side comparison of Grok 3 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 Grok 3 and Grok 4.20 Multi-Agent Beta?

Both are developed by xAI but target different use cases. Grok 3 has a 128K token context window vs Grok 4.20 Multi-Agent Beta's 2.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 or Grok 4.20 Multi-Agent Beta?

It depends on your use case. Grok 3 and Grok 4.20 Multi-Agent Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and Grok 4.20 Multi-Agent Beta on Rival?

This page shows a side-by-side comparison of Grok 3 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.

Grok 3 vs Grok 4.20 Multi-Agent Beta: Which Is Better?

Updated Mar 2026

Our Verdict

Grok 4.20 Multi-Agent Beta

Grok 3Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

Grok 3

Input

—

Output

—

Grok 4.20 Multi-Agent Beta

Input

$2.00

Output

$6.00

Writing DNA

Style Comparison

Similarity

72%

Grok 3 uses 3.9x more emoji

Grok 3

Grok 4.20 Multi-Agent Beta

49%Vocabulary59%

18wSentence Length16w

0.94Hedging0.41

2.5Bold2.7

3.0Lists2.4

0.04Emoji0.00

0.65Headings0.26

0.08Transitions0.02

Based on 17 + 23 text responses

Research

What we learned reading every model

Grok 3 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

Grok 3 vs MiniMax M3New provider

Grok 3 vs GPT-5New provider

Grok 3 vs Claude Opus 4.1New provider

Updated Mar 2026

Our Verdict

Grok 4.20 Multi-Agent Beta

Grok 3Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

Grok 3

Input

—

Output

—

Grok 4.20 Multi-Agent Beta

Input

$2.00

Output

$6.00

Writing DNA

Style Comparison

Similarity

72%

Grok 3 uses 3.9x more emoji

Grok 3

Grok 4.20 Multi-Agent Beta

49%Vocabulary59%

18wSentence Length16w

0.94Hedging0.41

2.5Bold2.7

3.0Lists2.4

0.04Emoji0.00

0.65Headings0.26

0.08Transitions0.02

Based on 17 + 23 text responses

Research

What we learned reading every model

Grok 3 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

Grok 3 vs MiniMax M3New provider

Grok 3 vs GPT-5New provider

Grok 3 vs Claude Opus 4.1New provider