Overview
We build infrastructure to power agentic systems such as software factories, multiplayer agent frameworks and agent coordination.
Founders & team
Previously Terse Inc. dba Terse AI
Thomas Elias Karatzas
Founder/CEOFounder at Terse AI. Previously Staff Engineer at Apple for 7 years, working on Siri and Apple Intelligence. Earlier founded Know Your VC (acquired by RateMyInvestor). Software Engineering degree from McGill University.
Olivier Simard-Morissette
Founder/CTOFounder at Terse AI (YC F26). Previously Principal Software Engineer at Pigeon (YC W23) and Senior Software Engineer at Squarespace and The New York Times.
Founded 2025 · Source ↗
Sources & observations
Y Combinator
Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedNew York City, NY, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 3 of 6 areas documented
Source-based assessment · automated evidence rules
The retained text does not establish product availability or customer use.
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.
Stage definitionsindependent websitesource corroborationreachable websitedescriptive evidencesourced peoplesourced founding yearpricing page observedrecent publishing observed