Google's AI Gemini will now automatically summarize long email threads for some users, the company said in a blog post. Previously, users had to tap "Summarize this email" for Gemini to generate key points.

Not every email is getting the Gemini treatment, so things like promos or receipts are off the table. Instead, Gmail will roll out a Summary card when it spots a long thread or a

You no longer have to manually start Gemini summaries for long email chains, but you can also opt out if you don't want them.