Astral

Acquired

Creator of widely used open-source Python developer tools including uv (package manager), Ruff (linter), and ty (type checker), all written in Rust for 10-100x speed improvements over alternatives. Acquired by OpenAI in March 2026.

Founders Charlie Marsh

CEO Charlie Marsh

Company

Founded

2023

Headquarters

New York, United States

Financials

Total Funding

$17M

Sectors

Developer Tools

astral.sh Twitter

Funding History

2 rounds

Acquired by OpenAI Mar 20, 2026

Series A Feb 1, 2025

$13M

Accel (Lead) Caffeinated Capital

Seed Oct 1, 2023

$4M

Accel (Lead) Caffeinated Capital

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.