Claude Sonnet 4.5 vs GPT-4.1

Compare Claude Sonnet 4.5 by Anthropic against GPT-4.1 by OpenAI, in 1 community votes, claude sonnet 4.5 and gpt-4.1 are closely matched, context windows of 200K vs 1.0M, tested across 33 shared challenges. Updated February 2026.

In 1 community votes, Claude Sonnet 4.5 and GPT-4.1 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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