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Theta

Turns real workspaces into custom simulation environments for agents

App replicasDomain expertsCoding and SWE

Theta builds custom simulation environments from real workspaces for long-horizon tasks such as financial forecasting, PR review and invoice processing, and also offers trained agents and forward-deployed services. It is backed by Y Combinator (P25) and Peak XV, with amounts undisclosed. It recently pivoted from an agent memory layer.

Best for: Custom back-office and finance workflow simulations from a small, early team

Funding not disclosed

  • ✓ Bespoke builds
  • – Platform or hub
  • – Open source
  • – Publishes prices
Visit Theta

Facts checked November 9, 2026 against the sources listed below. Theta does not pay to appear here.

1 Legal nameTheta Software
2 HeadquartersSan Francisco, CA
3 Founded2025
4 Team7 (YC profile)
5 DeliveryBespoke builds
6 ExclusivityNot disclosed
7 Customers and partnersSays it works with frontier labs and enterprises; names none.
8 Published pricesNot disclosed

Worth knowing before you sign

  • Recent pivot from an agent memory layer into simulation environments
  • No public research, benchmarks or docs found
  • Funding amounts undisclosed

Go to Theta's site

Sources

  1. Theta homepage
  2. Y Combinator profile
  3. Peak XV portfolio page
  4. pavlovslist directory

Work at Theta? Send corrections with a source to editors@toprlenvironments.com. We fix verified errors within five business days.

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