Not sure what they're using under the hood but so far kagi has the best summarizer I've used: https://kagi.com/summarizer/index.html https://kagi.com/summarize

Not sure what they're using under the hood but so far kagi has the best summarizer I've used: https://kagi.com/summarizer/index.html https://kagi.com/summarizer/index.html Also +1 for ChatPDF - it's great!