About Astral
Astral is a Technology company based in New York (United States) founded in 2021 by Charlie Marsh, and was acquired by OpenAI in March 2026. High-performance developer tools for the Python ecosystem are built by Astral. It operates on a SaaS (Software-as-a-Service) model. Astral has raised $4 million across 1 funding round from investors including OpenAI, Accel and Caffeinated Capital. Its chief executive, as recorded, is Charlie Marsh. Its website astral.sh draws about 1.3 million monthly visits. Astral offers products and services including Ruff and pyx. Its focus areas include Software and Developer Tools. Its legal entity is Astral Software Inc. Its competitors include Semgrep, CodeSee and Coverity; 3 of its 3 listed competitors have raised funding.
Company details
High-performance developer tools for the Python ecosystem are developed by Astral. Focus is placed on enhancing productivity through solutions like Ruff, an extremely fast Python linter written in Rust. The company also introduces pyx, a Python-native package registry in Beta. Operations are centered in the technology sector, targeting developers and open-source projects with innovative tooling solutions.
Products & Services of Astral
Astral offers a comprehensive portfolio of products and services, including Ruff and pyx.
A fast Python linter written in Rust.
A Python-native package registry in Beta.
Funding Insights of Astral
Astral has successfully raised a total of $4M through 1 strategic funding round. The most recent funding activity was a Seed round of $4 million completed in April 2023. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $4M
- Total Rounds 1
- Last Round Seed — $4M
- First Round $4M
(Apr 2023)
- Investors Count 5
All 1 funding rounds of Astral with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Apr 2023 | $4M | Seed | – | Accel |
6 investors in total: 3 institutional and 3 angel.
Investors in Astral
Astral has secured backing from 6 investors, including venture fund, angel, and institutional investors. Prominent investors backing the company include OpenAI, Accel and Caffeinated Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
A venture firm based in San Francisco and New York, investments are made in technology companies. | caffeinatedcapital.com | San Francisco, United States | ||
Accel is recognized as a leading venture capital firm. | 1983 | accel.com | Palo Alto, United States | |
OpenAI is engaged in developing advanced artificial intelligence technologies. | 2015 | openai.com | San Francisco, United States | |
GR Guillermo Rauch | Founder of Vercel, creator of Next.js, active angel investor in tech startups. | unknown_c04d722284794714b | ||
SH Solomon Hykes | Founder of Docker, angel investor, tech innovator based in San Francisco | unknown_1055f9be74c64a33a | ||
DC David Cramer | Co-founder of Sentry, active angel investor in tech startups. | unknown_3a0358de306b4bc4a |
Investor details for Astral
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Astral
1 people are tracked at Astral (1 in leadership).
| Name | Role | Group |
|---|---|---|
Charlie Marsh | Founder & CEO | Leadership |
Complete people profiles for Astral
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Astral
3 dated milestones of Astral across 5 years, from founding to its latest funding, stage changes and deals.
- Founded Astral is founded.
- Funding First funding round of $4.0M.
- Exit Acquired by OpenAI.
Competitors of Astral
Astral has 3 listed competitors in our database, 3 of them funded. They include Semgrep, CodeSee and Coverity.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| semgrep.dev | 2017 | San Francisco, United States | $193M | Code analysis and review are provided through an AI-powered platform. | ||
| codesee.io | 2019 | San Francisco, United States | $10M | Code reviews are enabled by AI-powered dependency visualization. | ||
| coverity.com | 2002 | San Francisco, United States | $22M | 4,232 | Intelligent code and test analysis tools are provided for developers. |
Detailed competitors of Astral
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Astral
The website of Astral (astral.sh) receives about 1.3M visits a month and ranks #31,027 among all websites worldwide, #3,886 in Programming and Developer Software.
- Monthly visits1.3M
▲ 4.2% vs previous month
- Unique visitors554.4K
per month
- Global rank#31,027
among all websites
- Category rank#3,886
Computers Electronics and Technology · Programming and Developer Software
- Bounce rate36%
- Pages per visit6.9
- Average visit3 min 06 sec
- DevicesDesktop 74% · Mobile 26%
Websites whose visitors overlap most with Astral. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| pypi.org | 100% | #12,379 | View details | ||
| stackoverflow.com | 92% | 45.7M | #1,565 | View details | |
hellowac.github.io | hellowac.github.io | 88% | #581,458 | – | |
| python.org | 86% | 11.3M | #5,540 | View details | |
| pytorch.org | 81% | 1.9M | #32,049 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Astral
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Application Development Tools
3 companies that operate in the same segment as Astral (Application Development Tools) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
AI tools and assistants to augment human capabilities | 2022 | San Francisco, California, United States | USD 3.38 B | 1,423 | ||
Cloud based version control and source code management platform | 2008 | San Francisco, California, United States | USD 351 M | 6,946 | ||
Cloud-based software for continuous application development and deployment. | 2013 | San Francisco, California, United States | USD 212 M | 205 |
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Frequently Asked Questions about Astral
Astral was founded in 2021 and raised its 1st funding round 2 years after it was founded.
Astral is headquartered in New York, United States. It is registered at New York, New York, United States.
Charlie Marsh is the CEO of Astral, as recorded in our data. They have also founded this company.
Astral is a funded company, having raised a total of $4M across 1 funding round to date. The company's 1st funding round was a Seed of $4M, raised on Apr 2023.
High-performance developer tools for the Python ecosystem are developed by Astral. Focus is placed on enhancing productivity through solutions like Ruff, an extremely fast Python linter written in Rust. The company also introduces pyx, a Python-native package registry in Beta. Operations are centered in the technology sector, targeting developers and open-source projects with innovative tooling solutions.
Astral offers Ruff and pyx.
Astral has 6 investors. Key investors include OpenAI, Accel, Caffeinated Capital, Guillermo Rauch, and Solomon Hykes.
Astral operates through Astral Software Inc..
Yes. Astral was acquired by OpenAI in March 2026.
The website of Astral receives about 1.3 million visits a month and ranks #31,027 among all websites worldwide.