Windsurf
Formerly Codeium (founded as Exafunction)
Windsurf made an AI-powered IDE; Cognition's announcement called it "the agentic IDE".
6 companies joined Cognition between Jul 2025 and Oct 2026, starting with Windsurf. 2 smaller teams came more quietly.
Updated 2026-11-04 · 50 sources
In date order, from Jul 14, 2025 to Oct 28, 2026. Faces are the people who joined with each company and have a full profile.
Formerly Codeium (founded as Exafunction)
Windsurf made an AI-powered IDE; Cognition's announcement called it "the agentic IDE".
Cognition's press release described Havana as a startup building AI agents; Havana's November 2025 release described an AI student recruitment platform for higher education.
TierZero makes "AI production agents that live in your stack, solve problems automatically, and get smarter with every issue they resolve."
The Interaction Company of California
Poke is a personal agent that lives in your texts, per Cognition's announcement.
Price TechCrunch reported the deal valued the company in the "low nine figures", a price co-founder Marvin von Hagen confirmed to TechCrunch.
Dioxus Labs makes Dioxus, which its site calls a fullstack crossplatform app framework for Rust.
Forbes described Corridor's product as an AI system that watches AI and human coders and issues alerts when vulnerabilities arise as software is being written.
Before these deals, people at Cognition had already backed or advised the companies.
Scott Wu announced Cognition was welcoming The Interaction Company of California, noting he and Walden Yan had been early angel investors in it.
Jack Cable and Ashwin Ramaswami announced Corridor was joining Cognition, naming President Russell Kaplan as one of Corridor's earliest advisors.
Teams whose own profiles or pages say they joined Cognition, though Cognition has not announced a deal. Worded as each source states it.
In his Cognition team spotlight, Special Projects Engineer Nick Wong says he and a cofounder were building a compliance implementation services company, that Calvin (VP of Customer Engineering) "suggested Cognition could acquire my company", and a caption reads "Scott congratulating us on our acquisition!" The company is not named.
Y Combinator's page for Consul (W24, a stablecoin payouts platform founded by Rakeeb Hossain and David Lalor) lists its status as Acquired without naming a buyer; Rakeeb Hossain's LinkedIn lists Cognition as his current company.
Enrich {name}, {title} at Cognition (Devin, Devin Desktop/Windsurf). Dig into what they've built or worked on at Cognition and how they got there, including any company Cognition acquired. Before Cognition, look for the specific teams, desks, labs and co-founders they worked with, and any olympiad, ICPC or training-camp history with teammates. Pull in their open source work and anything they've posted publicly about working at Cognition, quoted word for word. This is for a public page, so skip contact details.