About
Lucas Urbisaia studied applied mathematics at Harvard. He is based in Argentina and founded Praxos.
Lucas Urbisaia @lmurbisaia
Perhaps a corpus of open mathematical problems just needed the kind of pattern matching that language models are good at. If that were true, it would just mean that our ability to come up with solutions for this set of problems was always constrained by mathematicians’ https://t.co/zZ0KZaJPQL
Aug 1, 2026
Lucas Urbisaia @lmurbisaia
someone should call the open letter supporting open-source models "The Rebel Alliance" [against Anthropic]. It seems to be succeeding so far https://t.co/2r74W4XVCh
Jul 27, 2026 · ♥ 2
Lucas Urbisaia @lmurbisaia
rename “chief of staff” to “aide-de-camp.” We need a return to basics
Jul 27, 2026
Founder at PraxosYC S24
Intro paths
Lucas went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Brad Flora, General Partner at Y Combinator — the partner who ran Praxos's batch and knows the company first-hand. YC profile ↗
In turn, Lucas can intro founders to Praxos's investors below.
Praxos's investors · 1
Co-founders at Praxos
