Grok 3 Beta vs Claude 3 Sonnet

Compare Grok 3 Beta by xAI against Claude 3 Sonnet by Anthropic, tested across 11 shared challenges. Updated March 2026.

Which is better, Grok 3 Beta or Claude 3 Sonnet?

Grok 3 Beta and Claude 3 Sonnet are both competitive models. Grok 3 Beta costs $2/M input tokens vs $3/M for Claude 3 Sonnet. Compare their real outputs side by side below.

Key Differences Between Grok 3 Beta and Claude 3 Sonnet

Grok 3 Beta is made by xai while Claude 3 Sonnet is from anthropic. On pricing, Grok 3 Beta costs $2/M input tokens vs $3/M for Claude 3 Sonnet.

Our Verdict
Grok 3 Beta
Grok 3 Beta
Claude 3 Sonnet
Claude 3 SonnetRunner-up

No community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, newer, bigger context window.

Grok 3 Beta is 3.8x cheaper per token — worth considering if cost matters.

Too close to call

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