Hi there, I’m Ben 👋

I’m interested in NLP&IR, with a special focus on developing cool, smaller models to power LLM-based applications. You may know me from my frequent twitter rants about using late-interaction over dense vectors, or my love for encoders.

I do R&D at Answer.AI 👀, where every quest is a side-quest and scope-creep is encouraged. Currently, I’ve helped gather a really cool crowd of people to bring BERT to 2024 👀!

I’ve also built 🪤RAGatouille, a python library whose grand aim is to bridge the gap between state-of-the-art research code and commonly used practices and Rerankers, a library whose aim is to make it really easy to use just about any common reranking method, and swap them in and out painlessly.

​ Feel free to reach out if you’d like to chat!

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April 8, 2024 · Ben

Questions & Answer(s): thoughts and joining Answer.AI

If you’re old school, you can find a raw HTML version of this post here This is a fairly long, stream-of-thought post about how I currently (Sunday Feb 4, 2024) feel about the broader ML/NLP/IR ecosystem and its future. Everything here’s on-the-fly opinion and can & will change. In summary: I think ML developments are incredibly exciting, and we need to continue to work on bridging the gap between ML-as-a-commodity-for-ML-practitioners to ML-as-a-commodity-for-everyone....

February 6, 2024 · Ben


日本語版は近日公開予定です(日本語を勉強中なので、間違いはご容赦ください!) Welcome to this stream-of-thoughts report on fio-base-japanese-v0.1, the first version of Fio, a family of Japanese sentence embeddings. These are all notes I took while training the models, vaguely ordered in relevant categories! I hope that they can be useful to anyone interested in Japanese embeddings. In short: Fio-v0.1 is currently (18/12/2023) the best similarity sentence embeddings model for Japanese, as well as the best overall monolingual model (similarity + retrieval)....

December 18, 2023 · Ben