Nathan Lambert unveils Trillium Labs, a nonprofit for open frontier-AI post-training recipes

sethlazar · x · 2026-10-03

Nathan Lambert announced Trillium Labs, a new nonprofit fostering the open science of frontier AI. It will build open post-training recipes and expand into open infrastructure to study RSI, reward-hacking, and multi-agent systems.

The organization is built on a theory of change that hard technical problems need more eyes, expressing faith in the scientific method.

Related event: Nathan Lambert Launches Nonprofit Trillium Labs for Open Frontier AI(14 posts)→

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