Cantina releases open-weight security model trained on 50 vulnerability cases
Co-founded by Harikrishnan Mulackal, Cantina built Apex Flash-1 with Yeta Labs and says it solved 40 of 60 held-out security tasks.
By Ryan Merket · Published
Primary source: X
Why it matters
Cantina is turning its vulnerability research into training data and a downloadable model, coupling security work with a reusable AI asset. Its initial evaluation is company-run and limited to 60 tasks, while the abliterated release makes the dual-use tradeoff unusually explicit.

Harikrishnan Mulackal's Cantina released Apex Flash-1, an open-weights model post-trained for security research using vulnerability cases drawn from the company's work. The model, built with Yeta Labs, is available to download, along with a separate version modified to produce fewer refusals. Cantina described the release in an October 1st post on X.…