Sesame AI
Sesame AI is an artificial intelligence company in San Francisco, United States, founded in 2022. It has raised $297.5M across 2 rounds, most recently a $250.0M Series B in October 2025.
Sesame
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2022
- Business Model
- B2C
- Website
- sesame.com
- Total Funding
- $297.5M
- Last Round
- $250.0M Series BOct 2025
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 4 investors for this company. The full record is or through the API.
About
Sesame AI is a conversational AI company building personal agents capable of holding natural, emotionally resonant voice conversations and the devices that make them more effective. Founded in 2022 by Brendan Iribe, Ankit Kumar, and Ryan Brown — co-creators of Oculus — and headquartered in San Francisco. The company raised a million Series B in late 2025, backed by a16z, Sequoia, Spark, and Matrix.
Summary
It lists 51–200 employees. It has raised $297.5M in total across 2 rounds, most recently a $250.0M Series B round in Oct 2025. Investors include Sequoia Capital, Spark Capital and Andreessen Horowitz.
Tech & App Stack
6 technologies & apps tracked
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Funding History
Oct 2025
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Funding: Series A through Series B. Amounts, valuations, and investors where available.
Investors
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