Astral

Astral’s mission is to make the Python ecosystem more productive by building high-performance developer tools, starting with Ruff, an extremely fast Python linter, written in Rust.

Developer tools and cloud

Acquired by OOpenAI on March 19, 2026 · Business Today.

Website: astral.sh.

X: @astral_sh · 14,740 followers.

GitHub: astral-sh.

Category: Developer tools and cloud.

Stage: Seed.

Based in: New York, United States.

On Recent Funding since: Sep 30, 2026.

Signals

X account@astral_sh · created Oct 17, 2022 (4 years old) · 14,740 followers

Website registeredNov 20, 2021 (5 years old)

TIMELINE · MILESTONES

Astral | 1821 days on the record

@astral_sh

One step per dated milestone. Pins are dated signals; hover the icons for dates.

Timeline

March 19, 2026
Acquired by OOpenAI
Source: Business Today
October 17, 2022
X account created
November 20, 2021
Website created

Investors

Companies like Astral

VVoidZero$12.5M Series A · Oct 2025
NNobodyWho$2.35M Pre Seed · Dec 2025
RReflex Aerospace$58M Series A · Nov 2025
PPolaris SemiconductorSeed · Aug 2026
MMindFort$3M Seed · Apr 2026
JJcodePre Seed · Aug 2026

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/astral (get a free API key).