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Instinct raises $1 billion Series C, cementing messaging-based AI agents

TechnologyInternationalEl Ecosistema Startup40 s readAI summary
Image: El Ecosistema Startup

Instinct, a San Francisco startup founded by Noah Shinn, announced on September 28, 2026 a $1 billion Series C from Sequoia Capital, Benchmark Capital and Coatue at a $10 billion valuation, according to reports from Yahoo Finance and PYMNTS. The figure quadruples the $2.5 billion valuation of its $250 million Series B. The company runs AI agents over SMS, iMessage, RCS and WhatsApp, a segment where Ask Proxy, Caddy, Comma, Meta's Muse and Wajo also compete.

In 40 seconds

  • Instinct announced a $1 billion Series C with Sequoia, Benchmark and Coatue at a $10 billion valuation.
  • The valuation quadruples the $2.5 billion of its $250 million Series B, and the product remains in early access.
  • Its agents operate from SMS, iMessage, RCS and WhatsApp without requiring users to adopt a new app.
Read the full story at El Ecosistema Startup

IASummary generated by artificial intelligence from a story by El Ecosistema Startup. It may contain errors: the original source prevails.

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