
What happened
Nathan Lambert and Tom Zick launched Trillium Labs, which will publish experiment details in areas like recursive self-improvement and agents. It raised an undisclosed sum and aims to raise $40 to $100 million.
Why it matters
Publishing how models are tuned could let outside scientists scrutinize and replicate work that frontier labs keep closed, which Lambert argues is key to mitigating risks.
What to watch
The $30 million planned for training over 18 months hinges on whether the remaining $40 to $100 million is raised. Watch whether outside researchers can replicate the published runs.
WHO IT HITSUniversity and nonprofit AI researchers gain a rare window into how large models are fine-tuned, since Trillium Labs plans to publish experiment details they can replicate. Frontier labs and their policy teams may face more outside scrutiny of their closed methods.
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Trillium Labs arrives as the industry is split over whether powerful models should stay locked inside a few labs or be opened for outside scrutiny. Lambert, who previously worked at the open-research lab Ai2 and at Hugging Face, argues that the closed path of frontier AI development takes the field backwards. He and Zick met during the COVID-19 pandemic while both were graduate students at UC Berkeley, and they got the idea after seeing how disconnected industry AI research has become from academic work.
The nonprofit plans to publish details of experiments so outside scientists can study and replicate them, starting with post-training and recursive self-improvement. The topic gained mainstream attention earlier this month when an Anthropic researcher left the company and warned that recursive self-improvement could pose an existential threat to humankind. Trillium Labs says it has raised an undisclosed sum from Schmidt Sciences, Halcyon Futures, and others, and aims to raise $40 to $100 million in total.
Whether the open approach produces useful scrutiny may hinge on whether the lab can fund the compute its founders say careful experimentation requires. Zick notes that understanding how reinforcement learning scales in post-training needs significant compute and many careful experiments, so the $30 million planned for training over 18 months could be a test of how far transparency can stretch on a nonprofit budget.
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