Grok 3 Thinking vs Claude 3 Sonnet

Compare Grok 3 Thinking by xAI against Claude 3 Sonnet by Anthropic, tested across 4 shared challenges. Updated March 2026.

Our VerdictToo close to call
Grok 3 ThinkingGrok 3 Thinking

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

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