Business

Terse

Website
Founded 2025Origin source ↗Checked 2026-10-05

Overview

We build infrastructure to power agentic systems such as software factories, multiplayer agent frameworks and agent coordination.

Company description As recorded 2026-11-08

Founders & team

Previously Terse Inc. dba Terse AI

Company history As recorded 2026-11-08

Thomas Elias Karatzas

Founder/CEO

Founder 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.

Founder profile As recorded 2026-10-05

Olivier Simard-Morissette

Founder/CTO

Founder at Terse AI (YC F26). Previously Principal Software Engineer at Pigeon (YC W23) and Senior Software Engineer at Squarespace and The New York Times.

Founder profile As recorded 2026-10-05
2team members reported
Source-reported As recorded 2026-10-05

Founded 2025 · Source

News & product activity

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 definitions
independent websitesource corroborationreachable websitedescriptive evidencesourced peoplesourced founding yearpricing page observedrecent publishing observed