“Can a best-in-class product experimentation platform become the foundational measurement and feature-management layer for the world's leading AI application company?”
Founded in 2021 by former Microsoft engineer Vijaye Raji, Statsig positioned itself as the experimentation-and-feature-management layer for modern product teams, competing with LaunchDarkly and Optimizely. The company grew to 150-169 employees and achieved unicorn status with a $1.1B Series C valuation by 2024. In September 2025, OpenAI acquired Statsig for $1.1 billion in an all-stock transaction, integrating its experimentation infrastructure into OpenAI's Applications business under Fidji Simo; Raji became CTO of Applications overseeing ChatGPT and Codex product engineering.
The Embedded Finance Index 2026 maps 2 layers in Statsig's stack: Spend / AP (Brex); Treasury (Brex Treasury).
Statsig was founded by Vijaye Raji and is founded in 2021, headquartered in Bellevue, WA (Seattle area), USA.
Statsig has raised $100M+ in total (latest round: Series C, 2024; valuation: $1.1B (acquisition by OpenAI, September 2025)).
Get a read on where your own stack stands against Statsig and the rest of its category — what they built versus bought, which providers they use, and where the gaps in your own strategy and competitive set actually are.