In its early days, Qwant heavily relied on Bing's API to provide search results. [...]
Qwant began transitioning to its own indexing system in February 2013, but this process was gradual. The company started using its own engine for indexing social media accounts and the "shopping" part of search results, [...]
Today, Qwant's search results are a mix of its own indexed content and results pulled from Bing.
I'd be fine with that.
Though I can't find any mention of OCR on the website.