lance dustin

Wed, 06 May 2026 09:36:43 +0000

Lance is an open lakehouse format for multimodal AI. It contains a file format, table format, and catalog spec that allows you to build a complete lakehouse on top of object storage to power your AI workflows. The English term lance is derived, via Middle English launce and Old French lance, from the Latin lancea, a generic term meaning a spear or javelin employed by both infantry and cavalry, with English. Lance is a modern, open source lakehouse format for multimodal AI. It contains a file format, table format, and catalog spec, allowing you to build a complete open lakehouse on top of object storage to. Lance transformed our model training pipeline at Runway. The ability to append columns without rewriting entire datasets, combined with fast random access and multimodal support, lets us iterate.