This website lets you blind-test GPT-5 vs. GPT-4o—and the results may surprise you

Take this blind test to discover whether you truly prefer OpenAI's GPT-5 or the older GPT-4o—without knowing which model you're using.

Original: https://venturebeat.com/ai/this-website-lets-you-blind-test-gpt-5-vs-gpt-4o-and-the-results-may-surprise-you/