Claude Sonnet 4
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Claude Sonnet 4 vs GPT-4o (Omni)
Compare Claude Sonnet 4 by Anthropic against GPT-4o (Omni) by OpenAI, in 3 community votes, claude sonnet 4 and gpt-4o (omni) are closely matched, context windows of 200K vs 128K, tested across 32 shared challenges. Updated March 2026.
Which is better, Claude Sonnet 4 or GPT-4o (Omni)?
Claude Sonnet 4 and GPT-4o (Omni) are closely matched based on 3 community votes. Claude Sonnet 4 costs $3/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4 and GPT-4o (Omni)
Claude Sonnet 4 is made by anthropic while GPT-4o (Omni) is from openai. Claude Sonnet 4 has a 200K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $2.5/M for GPT-4o (Omni). In community voting, In 3 community votes, Claude Sonnet 4 and GPT-4o (Omni) are closely matched.
In 3 community votes, Claude Sonnet 4 and GPT-4o (Omni) are closely matched. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Our Verdict
Claude Sonnet 4Winner
GPT-4o (Omni)Runner-up
Votes are tied. Claude Sonnet 4 is newer and likely incorporates more recent improvements.
Too close to call
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