DOSSIER · UPDATED 18 JUN 2026

Substrate

Stop using LangChain. Use Substrate, the platform for compound AI. Powerful SDKs, with batteries included: comes with optimized AI models, vector storage, code interpreter, and control flow for agents. Write less code – performance…

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Founded
2023
Headcount
2–10
Open roles
0
Last raised
—
SECTION I · THE BRIEF

Inside Substrate

Brief #53083Updated 18 JUN 2026MOUNTAIN VIEWLIGHTSPEED VENTURE PARTNERS
Employbl Dossier

Substrate

Stop using LangChain. Use Substrate, the platform for compound AI. Powerful SDKs, with batteries included: comes with optimized AI models, vector storage, code interpreter, and control flow for agents. Write less code –…

Founded
2023
Headcount
2–10
Open roles
0
Last raised
—
Section II · Premium ProfileMembers only
  • 01Engineering interview process at SubstrateLocked
  • 02Tech stack & infrastructure choicesLocked
  • 03Culture & day-to-day work styleLocked
  • 04Why join now vs. 6 months from nowLocked
  • 05Hiring focus & open headcount by teamLocked
  • 06Comp philosophy and band contextLocked
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Substrate Headquarters Location

221 Hockey Avenue, Mountain View, CA, 94041

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