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Claude Opus 4.5 vs Grok 4.20 Multi-Agent Beta

Compare Claude Opus 4.5 by Anthropic against Grok 4.20 Multi-Agent Beta by xAI, tested across 52 shared challenges. Updated March 2026.

Which is better, Claude Opus 4.5 or Grok 4.20 Multi-Agent Beta?

Claude Opus 4.5 and Grok 4.20 Multi-Agent Beta are both competitive models. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4.5 and Grok 4.20 Multi-Agent Beta

Claude Opus 4.5 is made by anthropic while Grok 4.20 Multi-Agent Beta is from xai.

Our Verdict
Claude Opus 4.5
Claude Opus 4.5
Grok 4.20 Multi-Agent Beta
Grok 4.20 Multi-Agent Beta

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
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