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Microsoft Just Dropped LLM's Frontier Data Engineering Secrets

2026-07-13 Science & Technology
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I can't believe Microsoft dropped a 109 page goldmine on Data Engineering, especially on a frontier level. No other frontier AI labs have ever shared this level of in-depth information on data engineering. This paper is the best I've seen so far. my latest project: Intuitive AI Academy We just wrote a new piece on Optimization!! https://intuitiveai.academy/ limited time code "LOCKIN" for 35% off yearly plan My Newsletter (weekly top research papers) https://mail.bycloud.ai/ My Patreon https://www.patreon.com/c/bycloud MAI-Thinking-1: Building a Hill-Climbing Machine [Paper] https://www.alphaxiv.org/abs/mai-thinking-1 Try out my new fav place to learn how to code https://scrimba.com/?via=bycloudAI This video is supported by the kind Patrons & YouTube Members: 🙏Spam Maj, Alex, Chris LeDoux, DX Research Group, Poof N' Inu, Deagan, Robert Zawiasa, Ryszard Warzocha, Tobe2d, Louis Muk, Akkusativ, Kevin Tai, Mark Buckler, NO U, Tony Jimenez, Ângelo Fonseca, jiye, Anushka, Asad Dhamani, Binnie Yiu, Calvin Yan, Clayton Ford, Diego Silva, Etrotta, Gonzalo Fidalgo, Handenon, Hector, Jake Disco very, Michael Brenner, Nilly K, OlegWock, Daddy Wen, Shuhong Chen, Sid_Cipher, Stefan Lorenz, Sup, tantan assawade, Thipok Tham, Thomas Di Martino, Thomas Lin, Richárd Nagyfi, Paperboy, mika, Leo, Berhane-Meskel, Kadhai Pesalam, mayssam, Bill Mangrum, nyaa, Toru Mon, Lame Plane, Matej Macak, Len Mo, saylikhapekar, ZyanSheep, THEVIERAOS, Ricardo Raphael Corona-Moreno, superchordate [Discord] https://discord.gg/NhJZGtH [Twitter] https://twitter.com/bycloudai [Patreon] https://www.patreon.com/bycloud [Business Inquiries] [email protected] [Other Inquiries] [email protected] [Profile & Banner Art] https://twitter.com/pygm7 [Video Editor] @Booga04 Manim Animations created with Manimate https://www.manimate.ai/ [Ko-fi] https://ko-fi.com/bycloudai [Bitcoin (BTC)] 3JFMJQVGXNA2HJE5V9qCwLiqy6wHY9Vhdx [Ethereum (ETH)] 0x3d784F55E0bE5f35c1566B2E014598C0f354f190 [Litecoin (LTC)] MGHnqALjyU2W6NuJSSW9fTWV4dcHfwHZd7 [Bitcoin Cash (BCH)] 1LkyGfzHxnSfqMF8tN7ZGDwUTyBB6vcii9 [Solana (SOL)] 6XyMCEdVhtxJQRjMKgUJaySL8cGoBPzzA2NPDMPfVkKN

Top Comments (10)

@prettycool7301 2026-07-13

"Microsoft is a black hole of money and talent" - some guy

156 3 replies
@skvvlk 2026-07-13

10:45 I do believe that Deepseek engineers have an extreme drive for optimization. It is probably some small amount of epople that really like to optimize stuff...

84 13 replies
@0d77-w9y 2026-07-13

Great move from them ! I was wondering how I would go about making a big LLM and couldn't find good sources about all of this

79 4 replies
@objectobject5889 2026-07-13

I mean regarding microsoft locking in, did you hear about the Xbox layoffs, they want to restructure the company because at some teams there were 14 Layers of hierarchy - that is reflective of whole microsoft, so no wonder why cant build good product consistently

41 4 replies
@xdman2956 2026-07-13

A loose thought that came to mind: will we see fabricated research to slow down competitors. did it maybe already happen?

31 7 replies
@bycloudAI 2026-07-13

check out my project https://www.intuitiveai.academy/ to learn technical LLMs intuitively and you can use limited time code "LOCKIN" for 35% off yearly plan!

8 1 replies
@Amir_404 2026-07-13

The switching between MoE and Dense might have been effective for training in their data center, but I am doubtful it will be as good for inference. The data handling had some really cool ideas. It avoids risk of locking in bad thinking patterns learned by earlier models, and gives a good base if you want to including synthetic data. We saw how hard it can be to remove bad patterns once they start self reinforcing, with the em dashes and goblins.

8
@MikeSchirtzinger 2026-07-13

Ai2 has been awesome, learned a lot from olmo and their papers. Didn't know about the strategy change, thanks for the info

7
@Nekroido 2026-07-14

Garbage in = garbage out, always a good reminder, and this paper is a great showcase how clean curated dataset improves model scaling. The architecture looks beautiful, too.

4
@ABTalksOnAI 2026-07-15

The point about small-scale experiments not always predicting large-scale behavior was fascinating. It’s a good reminder that in frontier AI, scaling isn't just "more of the same", entirely new behaviors and trade-offs can emerge. Really insightful breakdown.

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