LightOn Achieves 2x Lossless Compression for ColBERT

antoine_chaffin · x · 2026-07-07

LightOn announced that by introducing hierarchical pooling, they achieved 2x lossless compression on the ColBERT retrieval model's state, calling it an even bigger "free lunch." The technology aims to reduce the storage and deployment costs of retrieval models.

Related event: Hierarchical Pooling Achieves 5x Lossless Compression for Late Interaction Retrieval(6 posts)→

Original post →

More from Research

Research channel →