Stable Diffusion was the watershed moment in image generators such as Dall-e, Imagen, Midjourney, etc, making it available as open source, so that everyone can run it on their own machines.

Dolly v2 from Databricks now brings that same watershed moment to ChatGPT. Instead of having to use a centralized service, you can run your own "chatGPT-like" system in your own computer.