Claude Sonnet 4 vs GPT-4

Compare Claude Sonnet 4 by Anthropic against GPT-4 by OpenAI, in 2 community votes, claude sonnet 4 wins 100% of head-to-head duels, context windows of 200K vs 8K, tested across 19 shared challenges. Updated February 2026.

In 2 community votes, Claude Sonnet 4 wins 100% of head-to-head duels. Based on blind community voting from the RIVAL open dataset of 2+ human preference judgments for this pair.

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