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LatestTopDiscussions Debating RSI, the US-China Gap, and Jaggedness with JS Denain of Epoch AI Podcast #19 Sep 22 • Nathan Lambert 26 3 3 1:05:28 The current balance of power in open models The expanded form of a testimony I prepared for Congress. Sep 21 • Nathan Lambert 112 15 16 Why I still haven’t bought into true RSI An “AI moderate’s” view on recent events and the trajectory of frontier models. Sep 19 • Nathan Lambert 136 12 19 Open-Source AI & Open Models Reading List How to get up to speed on open models and their implications. Sep 11 • Nathan Lambert 236 9 34 One resignation turned the embers of AI fear into a wildfire Some quick notes on a truly weird week. Sep 10 • Nathan Lambert 98 23 6 When will average people feel AI’s impact? We’re <5 years into a compounding revolution which could take a century, and how the AI industry should manage this. Sep 9 • Nathan Lambert 58 6 Latest open artifacts (#24): Motif-3, GLM-5.3, Hy4-preview and open model licenses The open model ecosystem continues to expand in its breadth Sep 8 • Florian Brand and Nathan Lambert 27 2

August 2026

Teaching Everyone to Fish for Tokens Nvidia wants you building your own model, not buying from Anthropic/OpenAI. Aug 17 • Nathan Lambert 84 8 GLM-5.3: How Chinese labs keep stride with the frontier Hint: It’s really not a distillation story. Aug 14 • Nathan Lambert 142 2 14 I wrote an AI textbook — how long until AI can do it better? Reflections on AI's writing ability and how AI models get more capable. Aug 12 • Nathan Lambert 98 14 5 useful things you'll learn in my new post-training textbook (shipping now!) Reinforcement Learning from Human Feedback is coming to a neolab near you. Aug 10 • Nathan Lambert 57 1 2 Lessons from the hacks Musings on model alignment, what determines safety, and where we go from here. Aug 9 • Nathan Lambert 63 4 Introducing our Artifacts Hub and Adoption Dashboard Scaling our curation and measurement of the open ecosystem. Aug 3 • Nathan Lambert 62 4 Latest open artifacts (#23): Laguna S2.1, Inkling, & Kimi K3 show the utility of open models on the Pareto frontier Capacity to train strong models is proliferating. Aug 2 • Florian Brand and Nathan Lambert 43 3

July 2026

Open models recap: more on Kimi K3, Qwen 3.8, Xi's WAIC speech, distillation, the open-closed gap, and what's next A podcast with Florian Brand. Jul 22 • Nathan Lambert and Florian Brand 37 2 4 49:04 Kimi K3: The open-weights escalation The global implications on the AI ecosystem. Jul 20 • Nathan Lambert 155 1 24 6 months to live for open models Staring down the barrel of policy action that could make open models a permanent second class citizen. Jul 12 • Nathan Lambert 91 7 17

June 2026

Latest open artifacts (#22): Zyphra, Cohere, and Poolside are expanding the breadth of the ecosystem An assessment of the open ecosystem and the motivations behind releasing models Jun 28 • Florian Brand and Nathan Lambert 32 2 GLM-5.2 is the step change for open agents A capability threshold I've been carefully monitoring. Jun 22 • Nathan Lambert 148 1 17 Banning Open Source AI Would Be A Mistake This post was originally an op-ed co-authored with Kevin Xu of Interconnected for a general, non-technical audience. Jun 19 • Nathan Lambert and Kevin Xu 77 21 State of the blog, mid-2026 About 3 years since I started writing weekly. Jun 17 • Nathan Lambert 67 4 Frontier post-training recipe review with Finbarr Timbers "Interview" #18 Jun 16 • Nathan Lambert 41 3 56:35 Welcome to the AGI era of AI governance It's a one-way door and we weren't ready for it. Jun 14 • Nathan Lambert 81 3 11 Claude Fable 5 and new AI safety fables One step further into the power politics of frontier AI systems. Jun 9 • Nathan Lambert 134 1 12 © 2026 Interconnects AI, LLC · Privacy ∙ Terms ∙ Collection notice Start your SubstackGet the app Substack is the home for great culture