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Theta

Theta is a YC Spring 2025 (P25) company. Based in San Francisco, CA, USA. Team of 6.

  • Reinforcement Learning
  • B2B
  • AI

About Theta

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

Summary

Theta builds reinforcement learning environments that train AI agents to perform domain-specific knowledge work, replacing human labor on tasks like financial modeling, contract redlining, patient documentation, and IT resolution. The platform converts a business's first-party data and expert workflows into simulation environments where agents learn the tools, constraints, and multi-step processes of that specific operation. Frontier AI labs and enterprises use Theta to deploy agent workforces that can execute long-horizon tasks with the depth of trained domain specialists.

Go-to-market

Theta targets frontier AI labs and enterprises, reached through a sales-led motion anchored by a book-a-demo call to action on the website.

From the Y Combinator listing

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

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Facts

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

Founders (3)

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