thumb|500px|A sample session of PAQ8O
thumb|500px|A sample session of PAQ8O
PAQ is a series of lossless data compression archivers that have gone through collaborative development to top rankings on several benchmarks measuring compression ratio (although at the expense of speed and memory usage). Specialized versions of PAQ have won the Hutter Prize and the Calgary Challenge. PAQ is free software distributed under the GNU General Public License.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).