SymSpell vs. BK-tree: 100x faster fuzzy string search & spell check

Conventional wisdom and textbooks say BK-trees are especially suited for spelling correction and fuzzy string search. But does this really hold true?
Also in the comments to my blog post on spelling correction the BK-tree has been mentioned as a superior data structure for fuzzy search.
So I decided to compare and benchmark the BK-tree to other options.
Read the full post on Medium.