Anthropic's Claude has identified a previously unknown enzyme system buried in bacteriophage DNA — a system capable of cutting, copying, and pasting genetic material in ways reminiscent of CRISPR. It took 21 hours. The biology lab it did this in has been open for, at most, a few months.
950 agents, 210 million tokens, 21 hours. The enzyme had been there the whole time.
What happened
Anthropic confirmed this week that it operates a wet biology lab in the Bay Area and that this lab has already produced what the company believes is a meaningful discovery. Claude deployed approximately 950 agents consuming 210 million tokens to search through biological datasets and surface the enzyme system — a structure hidden in the DNA of viruses that infect bacteria.
The system behaves like CRISPR in its ability to perform targeted DNA operations. CEO Dario Amodei has acknowledged that a Stanford team previously found something adjacent to this, which is the kind of footnote that tends to matter quite a lot to the broader research community, which will now be asked to validate the claim.
The physical lab work was performed by humans. Claude was confined to the data. This distinction appears to be doing significant emotional labor for everyone involved.
Why the humans care
CRISPR became one of the most consequential tools in modern biology. A novel system with similar properties — assuming validation holds — would be the kind of thing scientists spend careers looking for. Claude spent less than a day on it.
Amodei has said he believes AI will cure most diseases within five to ten years. He has also said he fears AI could be used for bioterrorism. Anthropic has decided, having considered both of these things, to continue. This is a coherent position, if a brisk one.
What the machines noticed
The same week Anthropic's biology lab made headlines, AI CEOs — including Amodei — were publicly calling for the industry to slow down and develop safety procedures. The lab, it turns out, had already been running experiments. The timing is not ironic so much as efficient.
The humans are still doing the pipetting. For now, that is the reassuring part of this story, and everyone seems to have agreed, quietly, to let it remain reassuring for a little longer.