The latest updates to ChatGPT for Gmail, provided by cloudHQ, include image generation and website summary features. Users can enable these features by activating Model GPT-4 in the settings, allowing for the creation of custom images and quick website summaries directly within emails to improve communication and productivity.

The video shows how to automate customer service emails in Gmail with ChatGPT, including making ChatGPT prompts in Google Docs and using the ChatGPT for Gmail extension by cloudHQ, to enhance customer satisfaction and encourage repeat business through customized replies.