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AI in HealthcareOpen-Source AISemafor TechPublished: Oct 28, 2026, 19:01 JST

McMaster's free ESKAPE AI screens 12 million molecules for antibiotics

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McMaster's free ESKAPE AI screens 12 million molecules for antibiotics

3 Key Points

  1. What happened

    Autumn Arnold at McMaster University built ESKAPE, a free AI model that predicts a compound's antibacterial activity; researchers have screened more than 12 million molecules, and it can screen over 40,000 compounds a day.

  2. Why it matters

    The model lets scientists screen compounds for antibacterial potential without sharing what they submit, which could speed up the search for new antibiotics as drug-resistant infections kill more than a million people each year.

WHO IT HITSAcademic and small-lab antibiotic researchers gain a free screening tool they can run with just an internet connection, and they keep ownership of any discoveries they make.

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Context & Analysis

The tool arrives against a stark backdrop. Drug-resistant infections kill more than a million people each year, yet big pharmaceutical companies have largely abandoned the search for new antibiotics because the work is time-consuming and expensive. Jonathan Stokes, the microbiologist who runs the lab, described the situation as a perfect storm of rising resistance, a lean antibiotic pipeline, and enormous economic headwinds, noting that a new drug can cost $1 billion to make with little chance of earning the money back.

ESKAPE is designed to lower the barrier for the researchers who remain in the field. Because it is free, needs only an internet connection, and lets scientists keep ownership of their discoveries without sharing the compounds they submit, it may draw in labs that could not otherwise afford large-scale screening. The body also notes a separate effort by researchers at MIT and Sweden's Karolinska Institutet, which uses generative deep learning to create entirely new molecules targeting antibiotic resistance, suggesting the search is moving on more than one front.

FAQ
How much does ESKAPE cost to use?
It is free. Researchers upload a list of compounds and get a prediction of their antibacterial activity; all they need is an internet connection, according to Jonathan Stokes.
Do researchers have to share the compounds they submit?
No. Researchers retain ownership of their discoveries and do not have to share the compounds they submit.
How fast can ESKAPE screen compounds?
It can screen more than 40,000 compounds a day.
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