GPT-4o (Omni) vs Grok 3 Thinking

Compare GPT-4o (Omni) by OpenAI against Grok 3 Thinking by xAI, in 1 community votes, gpt-4o (omni) and grok 3 thinking are closely matched, context windows of 128K vs 128K, tested across 14 shared challenges. Updated February 2026.

In 1 community votes, GPT-4o (Omni) and Grok 3 Thinking are closely matched. Based on blind community voting from the RIVAL open dataset of 1+ human preference judgments for this pair.

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