DocsBot AI might be a bit more popular than PDF.ai. We know about 2 links to it since March 2021 and only 2 links to PDF.ai. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you are looking for something that fits workflow easily and has a purpose-built frontend, there are lots of "chat with your pdf" apps out there, e.g. This one. Source: over 1 year ago
You're in a very competitive space, but that doesn't mean you should give up. pdf.ai for example made 20k in a day IIRC. Source: almost 2 years ago
Integration with A.I. tools: You can use A.I. Tools to assist in drafting and reviewing documentation, enhance documentation search capabilities with tools like Algolia DocSearch and TypeSense DocSearch, and provide a support assistant chatbot like DocsBot AI that helps software users access information and troubleshoot problems. - Source: dev.to / 11 months ago
Someone I know runs https://docsbot.ai/ and that seems like maybe what you're talking about? - Source: Hacker News / 12 months ago
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