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Calltree

Hiring

Calltree is a YC Winter 2025 (W25) company. Based in San Francisco, CA, USA. Team of 6.

  • Generative AI
  • SaaS
  • B2B
  • Customer Service
  • AI

About Calltree

GPAgent's own fund-neutral profile, written from public information. Updated Oct 5, 2026.

Summary

Calltree builds AI support representatives for enterprise call centers, handling both voice calls and chat. Where most AI agents are limited to scripted flows, Calltree's agents connect to internal tools, including proprietary CRMs and operational dashboards, doing the same work a trained human agent would. The target customer is enterprises running large support operations who want to automate frontline interactions without sacrificing access to their existing systems.

Go-to-market

Calltree sells to enterprise buyers operating call centers, where deployment requires integration with internal tooling rather than a simple self-serve setup.

From the Y Combinator listing

How Calltree describes itself in Y Combinator's public directory. Original listing (opens in a new tab)

Enterprise-grade AI support reps for call centers

Calltree makes enterprise-grade AI support reps for call centers. Our AI reps take voice calls and chats like other AI support agents but can also use internal enterprise tools like a homegrown CRM or internal dashboards, like the highly trained humans working there today.

Facts

Industry
B2B / B2B
Location
San Francisco, CA, USA
Team size
6
Status
Active
Stage
Early

Founders (2)

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