GPT-5 vs Inception: Mercury

Compare GPT-5 by OpenAI against Inception: Mercury by Inception, in 3 community votes, gpt-5 wins 100% of head-to-head duels, context windows of 400K vs 32K, tested across 26 shared challenges. Updated February 2026.

In 3 community votes, GPT-5 wins 100% of head-to-head duels. GPT-5 leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 3+ human preference judgments for this pair.

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