GPT-4.5 vs GPT-2

Compare GPT-4.5 and GPT-2, both from OpenAI, in 1 community votes, gpt-4.5 wins 100% of head-to-head duels, context windows of 128K vs 1K, tested across 5 shared challenges. Updated March 2026.

In 1 community votes, GPT-4.5 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.

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