Record · simonw.substack.com

Thoughts on OpenAI acquiring Astral and uv/ruff

simonw.substack.com · 20 March 2026 · 11 min read

A post on simonw.substack.com, published 20 March 2026, is cited by 2 distinct blogs to date (corpus.blog, measured 14 October 2026).

A record is what was published and who pointed at it. The text of the post is not shown here: read it at the source, or at its Wayback capture.

Read at simonw.substack.com Wayback capture

2blogs citing

Citing blogs and links by period
Period	Blogs	Links
All time	2	2
Last 90 days	0	0
Last 30 days	0	0
Last 7 days	0	0

Figures for this page
First cited	31 Mar 2026
Latest citation	4 Apr 2026
Words blogs link it with	2
External links	50
Length	2,474

Words blogs link it with

The words blogs link this page with, by how many different blogs use them.

openai agreed to acquire astral1 blog
thoughts on openai acquiring astral and uv/ruff plus gpt-5.4 mini and gpt-5.4 nano, which can describe 76,000 photos for $52 simon willison’s newslettersimon willison1 blog

Cited by 2 blogs in 2 posts

One row per blog, the most recently citing first. Each shows the blog's newest citing post; open a row for the others.

Blog

Newest citing post

Date

verynormal.info1 post

March 2026 Bakery

linked as “Thoughts on OpenAI acquiring Astral and uv/ruff Plus GPT-5.4 mini and GPT-5.4 nano, which can descri…”

Read at verynormal.info

4 Apr 2026

gduverger.com1 post

AI Moved the Bottleneck

linked as “OpenAI agreed to acquire Astral”

Read at gduverger.com

31 Mar 2026

Links from this post

Link

Host

https://fandf.co/41jhso4

fandf.co

Astral to join OpenAI Read at astral.sh

astral.sh

OpenAI to acquire Astral Read at openai.com

openai.com

https://simonwillison.net/tags/uv Who cites this page

simonwillison.net

https://simonwillison.net/tags/ruff/ Who cites this page

simonwillison.net

https://simonwillison.net/tags/ty/ Who cites this page

simonwillison.net

https://github.com/openai/codex Who cites this page

github.com

https://github.com/BurntSushi Who cites this page

github.com

https://github.com/rust-lang/regex Who cites this page

github.com

https://github.com/BurntSushi/ripgrep/ Who cites this page

github.com

https://github.com/BurntSushi/jiff Who cites this page

github.com

https://github.com/astral-sh/uv Who cites this page

github.com

Python Environment Read at xkcd.com

xkcd.com

https://pypistats.org/packages/uv Who cites this page

pypistats.org

https://github.com/astral-sh/ruff Who cites this page

github.com

https://github.com/astral-sh/ty Who cites this page

github.com

uv under discussion on Mastodon Read at simonwillison.net

simonwillison.net

https://simonwillison.net/2025/Aug/13/pyx/ Who cites this page

simonwillison.net

https://astral.sh/pyx?ref=blog.slamdunk.software Read at astral.sh

astral.sh

Simon Willison on november-2025-inflection Read at simonwillison.net

simonwillison.net

Anthropic acquires Bun as Claude Code reaches $1B milestone Read at anthropic.com

anthropic.com

https://www.accel.com/team/casey-aylward Who cites this page

accel.com

https://a16z.com/author/jennifer-li/ Who cites this page

a16z.com

Announcing Astral, the company behind Ruff Read at astral.sh

astral.sh

https://til.simonwillison.net/python/rye Who cites this page

til.simonwillison.net

https://lucumr.pocoo.org/2024/8/21/harvest-season/ Who cites this page

lucumr.pocoo.org

https://news.ycombinator.com/item?id=47438723 Who cites this page

news.ycombinator.com

OpenAI to acquire Promptfoo Read at openai.com

openai.com

OpenClaw, OpenAI and the future Read at steipete.me

steipete.me

Introducing Prism Read at openai.com

openai.com

Introducing GPT-5.4 mini and nano Read at openai.com

openai.com

Introducing GPT-5.4 Read at openai.com

openai.com

John M. Mossman Lock Collection Read at niche-museums.com

niche-museums.com

https://www.llm-prices.com/ Who cites this page

llm-prices.com

https://llm.datasette.io/en/stable/changelog.html Who cites this page

llm.datasette.io

https://gist.github.com/simonw/f16292d9a5b90b28054cff3ba497a3ca Who cites this page

gist.github.com

Give Django your time and money, not your tokens Read at better-simple.com

better-simple.com

Python 3.15’s JIT is now back on track Read at fidget-spinner.github.io

fidget-spinner.github.io

https://www.promptarmor.com/resources/snowflake-ai-escapes-sandbox-and-executes-malware Who cites this page

promptarmor.com

https://docs.snowflake.com/en/user-guide/snowflake-cortex/cortex-agents Who cites this page

docs.snowflake.com

https://twitter.com/danveloper/status/2034353876753592372 Who cites this page

twitter.com

https://huggingface.co/Qwen/Qwen3.5-397B-A17B/tree/main Who cites this page

huggingface.co

https://arxiv.org/abs/2312.11514 Who cites this page

arxiv.org

Shopify/liquid: Performance: 53% faster parse+render, 61% fewer allocations Read at simonwillison.net

simonwillison.net

https://github.com/danveloper/flash-moe Who cites this page

github.com

https://github.com/danveloper/flash-moe/blob/main/paper/flash_moe.pdf Who cites this page

github.com

https://twitter.com/danveloper/status/2034686509748462022 Who cites this page

twitter.com

https://x.com/cursor_ai Who cites this page

x.com

https://x.com/FireworksAI_HQ Who cites this page

x.com

https://twitter.com/Kimi_Moonshot/status/2035074972943831491 Who cites this page

twitter.com

Thoughts on OpenAI acquiring Astral and uv/ruff

Words blogs link it with

Cited by 2 blogs in 2 posts

Links from this post

Similar posts