Antoine Chaffin
Machine learning researcher at LightOn working on late-interaction / ColBERT models, efficient multivector search (FastPLAID), and practical deployments for code, multimodal, and reasoning-intensive retrieval.
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Mar 23, 2026 • 1h 21min
Multi-Vector Search with Amélie Chatelain and Antoine Chaffin - Weaviate Podcast #134!
Antoine Chaffin, ML researcher at LightOn working on ColBERT and efficient multi-vector search, and Amélie Chatelain, LightOn engineer focused on multi-vector models and PyLate. They dive into late-interaction vs single-vector trade-offs. They cover code-focused ColGrep, reasoning-intensive retrieval, multimodal search, and scaling approaches like PLAID and MuVERA.
