Sylvain

Co-Founder & CEO @AltertableAI. Waking up idle data with AI. Previously VP Eng @sorare, GM & VP Eng @algolia, Platform at @exalead & NLP teacher @EPITA.

[Sylvain @sylv_1_]

👷 Engineers, 🧑‍💻 PMs, 🧐 Analysts → this one's for you.

At @AltertableAI we started writing about the "𝐦𝐨𝐝𝐞𝐫𝐧" 𝐃𝐚𝐭𝐚 𝐒𝐭𝐚𝐜𝐤 problems we've experienced over the past decade. We believe it's 𝐁𝐫𝐨𝐤𝐞𝐧.

𝘔𝘰𝘴𝘵 𝘥𝘢𝘵𝘢 𝘵𝘰𝘥𝘢𝘺 𝘴𝘪𝘵𝘴 𝘪𝘥𝘭𝘦 – 𝘵𝘳𝘢𝘱𝘱𝘦𝘥 𝘣𝘦𝘩𝘪𝘯𝘥 𝘭𝘢𝘺𝘦𝘳𝘴 𝘰𝘧 𝘤𝘰𝘮𝘱𝘭𝘦𝘹𝘪𝘵𝘺, 𝘣𝘭𝘰𝘢𝘵𝘦𝘥 𝘣𝘶𝘥𝘨𝘦𝘵𝘴, 𝘢𝘯𝘥 𝘣𝘳𝘪𝘵𝘵𝘭𝘦 𝘵𝘰𝘰𝘭𝘪𝘯𝘨. 𝘛𝘩𝘦 𝘮𝘰𝘥𝘦𝘳𝘯 𝘥𝘢𝘵𝘢 𝘴𝘵𝘢𝘤𝘬 𝘱𝘳𝘰𝘮𝘪𝘴𝘦𝘥 𝘢𝘨𝘪𝘭𝘪𝘵𝘺, 𝘣𝘶𝘵 𝘥𝘦𝘭𝘪𝘷𝘦𝘳𝘦𝘥 𝘢 𝘴𝘭𝘰𝘸, 𝘴𝘪𝘭𝘰𝘦𝘥 𝘮𝘢𝘻𝘦...

https://t.co/CgyHvUBRcz

[Sylvain @sylv_1_]

Implementing a workflow that auto-update + auto-merge has been game changer 🤩

[Serena Ge (Datacurve) @serenaa_ge]

Today we’re releasing DeepSWE, a new standard for agentic coding benchmarks.

On public leaderboards, top models often look relatively close in capability. DeepSWE shows where they actually diverge, reflecting the realistic experience of developers in their day-to-day work.

[Farzad 🇺🇸 🇮🇷 @farzyness]

Whoever designed this needs to be fired immediately:

[Sergey Nazarov @sergeynazarovx]

We used to go to a special website, ask strangers for help with programming, and get humiliated in return

[Sylvain @sylv_1_]

@emil_priver Right, until you need a recursive struct

[Jarred Sumner @jarredsumner]

there will be a blog post about this. on what this means for bun, benchmarks, memory usage, maintainability going forward, and also the literal process of doing this (it wasn’t just “claude, rewrite bun in rust. make no mistakes”)

this is a 960,000 LOC rewrite, the code truly works, passing the test suite on Linux and soon other platforms. e2e I started working on this 6 days ago. this would’ve been a massive amount of work by hand.

[Jarred Sumner @jarredsumner]

why: I am so tired of worrying about & spending lots of time fixing memory leaks and crashes and stability issues. it would be so nice if the language provided more powerful tools for preventing these things.

[Jarred Sumner @jarredsumner]

99.8% of bun’s pre-existing test suite passes on Linux x64 glibc in the rust rewrite

[Sylvain @sylv_1_]

In rust 😅

[Ryan Dahl @rough__sea]

i expect almost all software is about to be rewritten from scratch

[Sandi Slonjšak @sandislonjsak]

Haven’t met anyone working less after adopting the AI.

[aaron @aarondotdev]

feels like AI is 10xing too many -1x developers

[Sylvain @sylv_1_]

Still amazed to read how many “engineers” are mainly pressing Enter all day long. I’m using Cursor, I plan for medium-large tasks, and I go right away with agent mode for small tasks; I answer a few questions but that’s it. I don’t get it.

[Sylvain @sylv_1_]

What 2 weeks of my @cursor_ai usage looks like. What about you?

[kache @yacineMTB]

you can outsource your thinking
but you cannot outsource your understanding

[Marc Andreessen 🇺🇸 @pmarca]

Overheard in Silicon Valley: "Rebranding to 'forward deployed engineer' from 'consultant' one of the great all time recruiting whammies."

[Natalia @NataliaZarina]

743,000 people just got the best AI of 2024

[Sylvain @sylv_1_]

@JonathanRoss321 Cursor stole your new mediator gig months ago!

[antirez @antirez]

When you hit the gym in 2026 leaving your buddy continuing the work.

[Sylvain @sylv_1_]

@mattpocockuk Which of your skills do you believe lead it?

[Tibo @thsottiaux]

Don't just reset Codex rate limits for fun, it costs money.
Don't just reset Codex rate limits for fun, it costs money.

... but the vibes are good ...

I have reset Codex rate limits for ALL paid plans to celebrate a good week and allow everyone to build more with GPT-5.5. Enjoy