Humans& launches Ampersand, first model with privacy built in, plus a funny RL-plot joke

niloofar_mire · x · 2026-10-21

Humans& released Ampersand, billed as the first collaborator model with privacy designed in rather than bolted on: the team crafted environments and simulations so post-training optimization pressure incentivizes decisions respecting contextual privacy norms over long horizons. Author Niloofar also joked about RL training curves — smooth them out and everything goes up.

Related event: humans& launches Ampersand v0.1, a collaborator model trained on simulation feedback(13 posts)→

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