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More on my blog, including this hopefully reassuring note for anyone afraid of the impact this will have on their career as a programmer simonwillison.net/2025/Sep/29/ar…
Cursor can now control your browser. Agent can take screenshots, improve UI, and debug client issues. Try our early preview with Sonnet 4.5.
We asked every version of Claude to make a clone of Claude(dot)ai, including today’s Sonnet 4.5… see what happened in the video
Introducing Claude Sonnet 4.5—the best coding model in the world. It's the strongest model for building complex agents. It's the best model at using computers. And it shows substantial gains on tests of reasoning and math.
When Claude Code fetches Bun’s docs, Bun’s docs now send markdown instead of HTML by default This shrinks token usage for our docs by about 10x
Been at GitHub for nearly 13 years and I'm pretty sure this request is more than 10 years old... 🆕Comment on unchanged lines in any file inside a Pull Request is now available Gotta keep the core of GitHub getting better every day. 🫡
Ok, let me try explaining (mostly to myself) what the x402 protocol, launched by Coinbase, means: ✔️ When you type a URL into the browser, your browser ("the client") tries connecting to a server that hosts the website (e.g., Bloomberg). If it successfully connects, the server…
Ok, let me try explaining (mostly to myself) what the x402 protocol, launched by Coinbase, means: ✔️ When you type a URL into the browser, your browser ("the client") tries connecting to a server that hosts the website (e.g., Bloomberg). If it successfully connects, the server… https://t.co/ZSOcfJo8UZ
HERE IS THE MERRILL REESE CALL OF THE GAME WINNING BLOCK GOOSEBUMPS
I spent the summer of 2004 writing documentation for the first release of Rails. Twenty years later, I'm doing the same for Omarchy. Good docs seed good vibes right from the get go. manuals.omamix.org/2/the-omarchy-…
Half the timeline thinks AI is a bubble/statistical parlor trick and the other half thinks if you haven't secured generational wealth by next Thursday you'll be trapped in a permanent underclass ruled by techno-capital overlords who command drone armies. Probably a middle ground
FYI ... ChatGPT Plus (or Pro) users who log in to Codex CLI get _a lot_ of free GPT-5 tokens. They're not clear on what are the actual rate limits but with my $20 Plus sub I can go for a couple of hours at a time.
We launched a Claude Code learning mode! Claude Code not only makes you more productive, but can now also help you get better at coding. Whether you're a CS student or seasoned programmer, it will push you to think deeper about the code you're generating.
As a young parent I heard “it goes by so fast” loads but never really listened. Then an old guy’s face showed me the difference between ‘hearing advice’ and *feeling* Truth. I was pushing a stroller down the sidewalk and had my three kids with me. An older guy walks past and…
all of these companies "replacing software engineers" with billions in investment every single one of them got their auth system wrong
Added Install > AI to the Omarchy menu for getting up and running with the common AI tools on Omarchy. Here's installing Open Code from @thdxr and gang.
All roads lead to the terminal
Cursor is now in your terminal! It’s an early beta. Access all models. Move easily between your CLI and editor.
OK initial impressions of gpt5 in opencode it works - it's calling tools, it's persistent, it's doing the right thing it's cheaper than sonnet4 and potentially better - looks like we might have a new detault
Big news! 🚀 We've got @OpenAI newest open models on Workers AI! Access the new models with reasoning capabilities at @cf/openai/gpt-oss-120b and @cf/openai/gpt-oss-20b. ✨Support for the new Responses API ✨120B model is designed for complex tasks, deeper context…

Vadym Kazulkin @VKazulkin
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Jeremy Daly @jeremy_daly
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Aidan W Steele @__steele
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David Boyne 🚀 @boyney123
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19K Followers 2K Following Tech stuff @planetscale. Dada x2. Husband. New Yorker hiding in the burbs for a bit. Opinions are my own.
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283K Followers 3K Following opinions my own. Director of Eng- Web, iOS, Android & Multiplat Infra @google, O'Reilly Author • https://t.co/HhzYWwxYAH, https://t.co/SOjL0RQsDl she/her BLM
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Marcia Villalba 🦄 @mavi888uy
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300K Followers 391 Following 👨💻 Ingeniero de Software y Divulgador de Programación ⭐ Google Dev Expert + Microsoft MVP 🎓 Academia → https://t.co/HZWaaG7wJU 🔴 Twitch → https://t.co/fcahiemHdr
Aidan W Steele @__steele
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Kent C. Dodds ⚡ @kentcdodds
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Yan Cui @theburningmonk
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tobi lutke @tobi
420K Followers 2K Following @Shopify CEO by day, Dad in evening, hacker at night. Aspiring comprehensivist. (tweets auto delete eventually) retweet=noteworthy share, not endorsement
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