by Avi Gesser and Diane Bernabei
From left to right: Avi Gesser and Diane Bernabei (photos courtesy of Debevoise & Plimpton LLP)
We recently provided a quick guide on the comparative capabilities of the various models currently available through GPT Enterprise based on our experience as lawyers using these models and OpenAI’s own recommendations. Below is an update to that guide based on our use of the new GPT-5 models since they became available to us on August 7, 2025. Again, this blog post is not a review or endorsement of any particular GenAI model.