elicit.org. find scientific papers and makes a quick summary. You can also ask about the paper.

Perplexity.ai is the best, without question beats ChatGPT. You can setup GPT-4 for ChatGPT answers, but it requires an account. Thankfully they accept alias email address for accounts. Regardless of GPT-4, the site always provides filters like all or academic and also provides sources for any provided information. It is the only way I use AI!

Edit: Perplexity also offers a conscience explanation by default but you can ask for a detailed explanation as well. It’s the bee’s knee’s