AI BriefingAI Revives Formal Verification
Key point
Quint spins off from Informal Systems, positioning itself as an executable spec platform.
Details
Quint, developed at Informal Systems for over 4 years, is spinning off as a separate company.
The core message is that while AI has made code generation easier, verifying correctness has become even more important. The authors argue that an executable specification is more accurate than English/Markdown and can unify design, testing, and verification into one.
Quint has been used in real protocols and systems, and the authors state it has helped find bugs and edge cases. As an example, Malachite was built with Quint, and this project was acquired by Circle in 2025.
After the spinoff, Gabriela Moreira will serve as CEO, Zarko Milosevic as CTO, Josef Widder as Chief Scientist, and Arianne Flemming as COO.
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