<p>OpenAI introduced Deployment Simulation on June 16, 2026. The method replays past conversations through a new candidate model before release. It then grades the completions to estimate deployment-time rates of undesired behavior. We break down how the pipeline works, the reported 1.5x median multiplicative error, and its limits.</p> <p>The post <a href="https://www.marktechpost.com/2026/06/16/openai-deployment-simulation/">OpenAI’s Deployment Simulation Extends Pre-Deployment Risk Asses