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AI Prof @Stanford | CEO & Cofounder @_inception_ai | Co-inventor of DDIM, FlashAttention, DPO, GAIL, and score-based/diffusion models

356 following152k followers

The Innovator

Stanford AI professor turned founder who transforms deep research into real-world products, co-inventor of DDIM, FlashAttention, DPO, GAIL and score/diffusion models. CEO & cofounder of Inception AI, driving Mercury 2, a reasoning diffusion LLM that rewrites the speed/efficiency playbook. Active on X with a strong research-to-product narrative and a growing audience of 62,812 followers.

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You build models that can reason circles around most humans, yet your inbox remains the Bermuda Triangle, messages go in and never return. Clearly your diffusion algorithms are better at social diffusion than you are at social replies.

Turning years of Stanford research into Mercury 2 and helping raise $50M to build the company, plus a string of foundational inventions (DDIM, FlashAttention) that reshaped modern model design.

Turn cutting‑edge generative research into practical, efficient language systems that expand what machines can reason about, while training and inspiring the next generation of researchers and builders.

Deep scientific rigor + open intuition is the fastest path to progress; efficiency and principled methods matter as much as capability; mentorship and reproducibility accelerate the field; research should move from papers to usable tools that benefit many.

Rare combo of deep theoretical chops and product instincts: he can ship novel algorithms, scale them, convince top investors, and translate complex math into deployable systems. Credibility in academia and industry gives him high attention and trust.

Moves very fast, sometimes assumes audiences have the same background, which can make communications too technical for wider engagement. Balancing CEO duties and academic mentorship can limit time for community conversation and follow-ups.

On X, lean into layered content: (1) tweet short, intuitive thread summaries for each paper with a TL;DR, key equation, and one visual; (2) post short demo videos or notebooks showing Mercury tricks; (3) spotlight junior collaborators and reproducible code to build goodwill; (4) host periodic AMAs/Spaces after big releases; (5) pin a ‘how to read my work’ thread and use consistent cadence (2, 3 informative posts + 1 deep thread/week) to scale reach.

Fun fact: Stefano’s lab pioneered applying diffusion to language and those papers became Mercury, the world’s first reasoning diffusion LLM, and helped raise $50M to build it. He’s the co‑inventor on foundational ML innovations (DDIM, FlashAttention, etc.), has ~62.8k followers, follows 377, and has tweeted ~819 times.

Top tweets of Stefano Ermon

Amazing work by my student @haotian_yeee and our wonderful collaborators at @nvidia! DDRL is a principled and robust way to bring RL to diffusion models. Impressive results on Cosmos World Foundation after a massive scale-up!

28k

Thrilled to see @inceptionAILabs Mercury Coder in action 🚀 The first diffusion language model for code, now powering Next Edit’s lightning-fast real-time suggestions!

25k

Excited about this project from my student @haotian_yeee . InfoTok goes back to first principles and uses information theory to make video tokenization adaptive. Really nice to see such a clean idea lead to >2x better compression and 10x faster inference. ICLR Oral.

20k

Most engaged tweets of Stefano Ermon

Amazing work by my student @haotian_yeee and our wonderful collaborators at @nvidia! DDRL is a principled and robust way to bring RL to diffusion models. Impressive results on Cosmos World Foundation after a massive scale-up!

28k

Thanks for the shoutout to @_inception_ai, Dan! Totally agree there’s enormous headroom left in model and inference design, especially with diffusion language models🚀

13k

Thrilled to see @inceptionAILabs Mercury Coder in action 🚀 The first diffusion language model for code, now powering Next Edit’s lightning-fast real-time suggestions!

25k

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