# Cognition's acquisition of Dioxus Labs

Part of Inside Cognition, researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Interactive version: https://www.autumn.ai/resources/cognition/acquisitions/dioxus

Dioxus Labs makes Dioxus, which its site calls a fullstack crossplatform app framework for Rust.

- Announced: Sep 10, 2026
- Deal: Team joined Cognition ("The Dioxus team is joining Cognition"); YC's company page lists Dioxus Labs as Acquired
- Price: not disclosed

## What happened, by date

- Sep 10, 2026: Jonathan Kelley wrote that the Dioxus team was joining Cognition to accelerate the development of Devin. [1](https://dioxuslabs.com/blog/joining-cognition)
- Sep 10, 2026: Cognition welcomed Jonathan Kelley and the Dioxus team and said it had used Dioxus extensively to build Devin. [1](https://cognition.com/blog/welcoming-dioxus)
- Sep 10, 2026: Kelley wrote that Dioxus had raised $3.5M in venture funding, thanking investors Y Combinator and Khosla Ventures. [1](https://dioxuslabs.com/blog/joining-cognition)

## In their own words

> The Dioxus team is joining Cognition to accelerate Devin, and will keep building Dioxus, Blitz, Taffy, and Subsecond. … Originally, Dioxus was just a side project to pass time during the last summer of Covid.

Jonathan Kelley, Dioxus Labs founder, Sep 10, 2026 [1](https://dioxuslabs.com/blog/joining-cognition)

> The dioxus team is insanely cracked.

Steven Hao, Co-Founder and CTO, Sep 10, 2026 [1](https://x.com/stevenkplus1/status/2098112981460771019)

> Now I get to fly x-wings at work to stress test Devin's new 60fps QUIC based VNC Is this what they meant by "have fun at work?" 🥹

Jonathan Kelley, Member of Technical Staff (Dioxus Labs founder), Oct 1, 2026 [1](https://x.com/jkelleyrtp/status/2105802038110261478)

## Who joined Cognition

- [Jonathan Kelley](https://www.autumn.ai/resources/cognition/people/jonathan-kelley) (founder): Founder; now Member of Technical Staff [1](https://www.ycombinator.com/companies/dioxus-labs) [2](https://dioxuslabs.com/blog/joining-cognition) [3](https://dioxuslabs.com/blog/joining-cognition/) [4](https://www.linkedin.com/in/jonathan-r-kelley)
- [Nico Burns](https://www.autumn.ai/resources/cognition/people/nico-burns): Open Source Developer / Maintainer, Dioxus Labs; now Member of Technical Staff [1](https://dioxuslabs.com/blog/joining-cognition/) [2](https://www.linkedin.com/in/nicoburns) [3](https://dioxuslabs.com/blog/joining-cognition)
- [Evan Almloff](https://www.autumn.ai/resources/cognition/people/evan-almloff): Software Engineer, Dioxus Labs; now Member of Technical Staff [1](https://dioxuslabs.com/blog/joining-cognition/) [2](https://www.linkedin.com/in/evan-almloff-571467213)

## What happened to Dioxus Labs

Dioxus stays open source: the team said it will keep building Dioxus, Blitz, Taffy and Subsecond and maintain its open source projects, and Cognition said it will continue to support Dioxus' open source work. [1](https://dioxuslabs.com/blog/joining-cognition) [2](https://cognition.com/blog/welcoming-dioxus)