Spear Street Technology

AI assistant startup Instinct raises $250M Series B, hits $2.5B valuation

Instinct, founded last year by 23-year-old Noah Shinn under parent company Spear Street Technology, has closed a $250 million Series B round led by Index Ventures and Benchmark. The deal pushes the young startup's total funding to $350 million and its valuation to $2.5 billion, driven by buzz around its AI assistant that manages users' schedules, purchases and subscriptions through texts and calls.

techcrunch.com · 2026-08-27

Stealth startup Instinct's AI assistant sparks privacy backlash over broad data terms

Instinct, a private-access AI assistant built by Spear Street Technology and led by former Sierra researcher Noah Shinn, connects to users' email, messaging, calendar, location, and device audio to handle tasks like booking appointments and managing inboxes. While testers praise its capabilities, others have flagged its terms of service, which grant the company a perpetual, irrevocable license to store, reproduce, and use user data, including for AI training.

techcrunch.com · 2026-08-24