Comment by londons_explore

This particular project is noteworthy mostly for its completeness and 'it just works' functionality. Tens of researchers before him have used arithmetic coding on the outputs of various neural network models to do lossless compression of text or images.

Bellards contributions are a packaged tool (as opposed to PoC code) and demo webpage, and the idea of using CJK characters rather than outputting binary data (in todays world of JSON, binary data has fallen out of fashion).