Grok 3 Mini Beta vs Grok 4.20 Multi-Agent Beta
Compare Grok 3 Mini Beta and Grok 4.20 Multi-Agent Beta, both from xAI, context windows of 131K vs 2.0M, tested across 13 shared challenges. Updated March 2026.
Which is better, Grok 3 Mini Beta or Grok 4.20 Multi-Agent Beta?
Grok 3 Mini Beta and Grok 4.20 Multi-Agent Beta are both competitive models. Grok 3 Mini Beta costs $0.4/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta. Context windows: 131K vs 2000K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Mini Beta and Grok 4.20 Multi-Agent Beta
Grok 3 Mini Beta is made by xai while Grok 4.20 Multi-Agent Beta is from xai. Grok 3 Mini Beta has a 131K token context window compared to Grok 4.20 Multi-Agent Beta's 2000K. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta.
Our Verdict
Grok 4.20 Multi-Agent Beta
Grok 3 Mini BetaRunner-up
No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window.
Grok 3 Mini Beta is 7.5x cheaper per token — worth considering if cost matters.
Slight edge
FAQ
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