Compare Backsearch and Perplexity - features, pricing, and which is better for your workflow.
What is Backsearch?
A point-in-time web search API from General Reasoning — let agents and models search and fetch the web as it existed on any past date, with no data leakage.
Price: Paid
Point-in-time search + fetch with an as_of date
Gates on crawl date, not stated publish date (no leakage)