The ts_zip utility can compress (and hopefully decompress) text files using a Large Language Model. The compression ratio is much higher than with other compression tools. There are some caveats of course: A GPU is necessary to get a reasonable speed. 4 GB of RAM is required. It is slower than conventional compressors (compression and decompression speed: up to 1 MB/s on a RTX 4090). Only text files are supported. Binary files won't be compressed much. The currently used language model (RWKV 169...