GPT-3.5 Turbo vs GPT-4o (Omni)

Compare GPT-3.5 Turbo and GPT-4o (Omni), both from OpenAI, in 2 community votes, gpt-4o (omni) wins 100% of head-to-head duels, context windows of 16K vs 128K, tested across 23 shared challenges. Updated February 2026.

In 2 community votes, GPT-4o (Omni) 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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