The Vox article says that it's a lifetime agreement: https://www.vox.com/future-perfect/2024/5/17/24158478/openai-departures-sam-altman-employees-chatgpt-relea

The Vox article says that it's a lifetime agreement: https://www.vox.com/future-perfect/2024/5/17/24158478/openai-departures-sam-altman-employees-chatgpt-release https://www.vox.com/future-perfect/2024/5/17/24158478/openai...