xAI: Grok 4 vs Grok 4.20 Multi-Agent Beta

Compare xAI: Grok 4 and Grok 4.20 Multi-Agent Beta, both from xAI, context windows of 256K vs 2.0M, tested across 38 shared challenges. Updated March 2026.

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

xAI: Grok 4 and Grok 4.20 Multi-Agent Beta are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta. Context windows: 256K vs 2000K tokens. Compare their real outputs side by side below.

Key Differences Between xAI: Grok 4 and Grok 4.20 Multi-Agent Beta

xAI: Grok 4 is made by xai while Grok 4.20 Multi-Agent Beta is from xai. xAI: Grok 4 has a 256K token context window compared to Grok 4.20 Multi-Agent Beta's 2000K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta.

Our Verdict
Grok 4.20 Multi-Agent Beta
Grok 4.20 Multi-Agent Beta
xAI: Grok 4
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
FAQ

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