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nathan-barry 11 hours ago [-]
LLMs are very good at lossless compression via arithmetic coding. But I didn't know that it was possible to go the reverse direction (do language modeling via a compressor). It's not super great quality, but I'm surprised it worked! Other compression algorithms (like PPMd) use variable n-grams under the hood, and should be much better (although less interesting due to already containing basic language models internally).