DeepSeek V3.1 vs GPT-5

Compare DeepSeek V3.1 by DeepSeek against GPT-5 by OpenAI, in 9 community votes, gpt-5 wins 80% of head-to-head duels, context windows of 164K vs 400K, tested across 45 shared challenges. Updated February 2026.

In 9 community votes, GPT-5 wins 80% of head-to-head duels. GPT-5 leads in Image Generation, Reasoning. Based on blind community voting from the RIVAL open dataset of 9+ human preference judgments for this pair.

Image Generation: GPT-5 wins 100% of votes
Reasoning: GPT-5 wins 100% of votes
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