If you're interested in this, you might like https://nuggetize.com/ which works without installing anything and with any browser.
1. Using latest models (gpt-4o & claude-3.5) which show major improvements in quality
2. Extensive prompt engineering focused on distilling surprising insights vs. pure summarization
3. Structured output format that's easier to parse
Re: transparency - you're right, we need to add more details. I'm new to this and still learning how to communicate this.
Btw, it's free to use 1x/day, and here's an example: https://nuggetize.com/n/claude-shannon-wikipedia-47ca5e5b