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Interconnects

Audio essays about the latest developments in AI and interviews with leading scientists in the field. Breaking the hype, understanding what"s under the hood, and telling stories. www.interconnects.ai

technology

All Episodes

7:12

Use multiple models

Interconnects ·

2026/01/11

I’ll start by explaining my current AI stack and how it’s changed in recent months. For chat, I’m using a mix of:* GPT 5.2 Thinking / Pro: My most frequent AI use is getting information. This is often a detail about a paper I’m remembering, a method I’m verifying for my RLHF Book, or some other niche fact. I know GPT 5.2 can find it if it exists, and I use Thinking for queries that I think are easier and Pro when I want to make sure the answer is right. Particularly GPT Pro has been the indisputable

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4:58

Claude Code Hits Different

Interconnects ·

2026/01/09

There is an incredible amount of hype for Claude Code with Opus 4.5 across the web right now, which I for better or worse entirely agree with. Having used coding agents extensively for the past 6-9 months, where it felt like sometimes OpenAI’s Codex was the best and sometimes Claude, there was some meaningful jump over the last few weeks. The jump is well captured by this post, which called it the move of “software creation from an artisanal, craftsman activity to a true industrial process.”

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37:36

Open models: Hot or Not with Nathan Lambert & Florian...

Interconnects ·

2025/12/18

Nathan sits down with Florian, our open model analyst to get spicy into debates of which labs won and lost momentum in open models of 2025. Reflection 70B, Huawei repackaging someone else's model as their own, the fall of Llama — no drama is left unturned. We also dig into the nuances that we didn't get to in our post, predict GPT-OSS 2, the American v. China balance at the end of 2026, and many other fun topics.Enjoy & let us know if we should do more of this.For the full year in review post, and

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62:22

New Talk: Building Olmo 3 Think

Interconnects ·

2025/12/10

It’s finally here! The public (and most complete) version of my talk covering every stage of the process to build Olmo 3 Think (slides are available). I’ve been giving this, improving it, and getting great feedback at other venues such as The Conference on Language Modeling (COLM) & The PyTorch Conference.This involves changes and new considerations of every angle of the stack, from pretraining, evaluation, and of course post-training.Most of the talk focuses on reinforcement learning infrastructure

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10:57

Olmo 3: America’s truly open reasoning models

Interconnects ·

2025/11/20

We present Olmo 3, our next family of fully open, leading language models. This family of 7B and 32B models represents:* The best 32B base model.* The best 7B Western-origin thinking & instruct models.* The first 32B (or larger) fully open reasoning model.This is a big milestone for Ai2 and the Olmo project. These aren’t huge models (more on that later), but it’s crucial for the viability of fully open-source models that they are competitive on performance – not just replications of models that came

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8:28

Why AI writing is mid

Interconnects ·

2025/11/17

First, on the topic of writing, the polished, and more importantly printed, version of my RLHF Book is available for pre-order. It’s 50% off for a limited time, you can pre-order it here! Like a lot of writing, I’ve been sitting on this piece for many months thinking it’s not contributing enough, but the topic keeps coming up — most recently via Jasmine Sun — and people seem to like it, so I hope you do too!It’s no longer a new experience to be struck by just how bad AI models are at writing good

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77:49

Interview: Ant Group's open model ambitions

Interconnects ·

2025/11/12

This is the first of a handful of interviews I’m doing with teams building the best open language models of the world. In 2025, the open model ecosystem has changed incredibly. It’s more populated, far more dominated by Chinese companies, and growing. DeepSeek R1 shocked the world and now there are a handful of teams in China training exceptional models. The Ling models, from InclusionAI — Ant Group’s leading AI lab — have been one of the Chinese labs from the second half of the year that are

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7:37

5 Thoughts on Kimi K2 Thinking

Interconnects ·

2025/11/06

First, congrats to the Moonshot AI team, one of the 6 “AI Tigers” in China, on the awesome release of Kimi K2 Thinking. One of the overlooked and inspiring things for me these days is just how many people are learning very quickly to train excellent AI models. The ability to train leading AI models and distribute them internationally is going to be pervasive globally. As people use AI more, those who can access supply for inference (and maybe the absolute frontier in scale of training, even if

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10:09

Burning out

Interconnects ·

2025/10/25

One of the obvious topics of the Valley today is how hard everyone works. We’re inundated with comments on “The Great Lock In”, 996, 997, and now even a snarky 002 (midnight to midnight with a 2 hour break). Plenty of this is performative flexing on social media, but enough of it is real and reflecting how trends are unfolding in the LLM space. I’m affected. My friends are affected.All of this hard work is downstream of ever increasing pressure to be relevant in the most exciting technology of our

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13:01

How to scale RL

Interconnects ·

2025/10/20

Two quick housekeeping items before I get to the post.1. I’ll be in SF this week for the PyTorch conference (22-23), AI Infra Summit (21st), and other local events. Come say hi.2. I launched a new Substack AI bundle with 8 of my favorite publications packaged together for teams of 20+. Learn more at readsail.com.Onto the post!“Scaling reinforcement learning (RL)” is the zeitgeisty way to capture the next steps in improving frontier models — everyone is staring at the same hill they plan on climbing

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47:04

The State of Open Models

Interconnects ·

2025/10/16

This talk covers everything that’s happened this year in the open model landscape — DeepSeek kickstarting the Chinese open model norms, Llama’s fade, Qwen’s dominance, GPT-OSS — and what comes next. It is my attempt to share what people need to know about where open models are heading, building on all of my research here at Interconnects and in my day job of training these models, in order to help us take the actions we need to steer it in a better direction.I strongly recommend watching (or

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11:58

Thoughts on The Curve

Interconnects ·

2025/10/07

I spent the weekend debating AI timelines, among other things, at The Curve conference. This translates as spending the weekend thinking about the trajectory of AI progress with a mix of DC and SF types. This is a worthwhile event that served as a great, high-bandwidth way to check in on timelines and expectations of the AI industry.Updating timelinesMy most striking takeaway is that the AI 2027 sequence of events, from AI models automating research engineers to later automating AI research, and

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9:24

ChatGPT: The Agentic App

Interconnects ·

2025/09/30

Ever since ChatGPT exploded in popularity, there has been a looming “how” to its monetization plans. Much has been said about shopping and advertising as the likely paths, especially with Fidji Simo joining as CEO of Applications under Sam Altman. Advertising as a business model for AI is logical but difficult to personalize and specialize. We know tons of people spend a lot of time using AI models, but how do you best get the sponsored content into the outputs? This is an open technical problem,

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9:22

Thinking, Searching, and Acting

Interconnects ·

2025/09/22

The weaknesses of today’s best models are far from those of the original ChatGPT — we see they lack speed, we fear superhuman persuasion, and we aspire for our models to be more autonomous. These models are all reasoning models that have long surpassed the original weaknesses of ChatGPT-era language models, hallucinations, total lack of recent information, complete capitulations, and other hiccups that looked like minor forms of delusion laid on top of an obviously spectacular new

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16:18

Coding as the epicenter of AI progress and the path...

Interconnects ·

2025/09/18

Coding, due to its breadth of use-cases, is arguably the last tractable, general domain of continued progress for frontier models that most people can interface with. This is a bold claim, so let’s consider some of the other crucial capabilities covered in the discourse of frontier models:* Chat and the quality of prose written by models has leveled off, other than finetuning to user measures such as sycophancy. * Mathematics has incredible results, but very few people directly gain from better

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13:37

On China's open source AI trajectory

Interconnects ·

2025/09/09

Hello everyone! I’m coming back online after two weeks of vacation. Thankfully it coincided with some of the slowest weeks of the year in the AI space. I’m excited to get back to writing and (soon) share projects that’ll wrap up in the last months of the year.It seemed like a good time to remind people of the full set of housekeeping for Interconnects. * Many people love the audio version of the essays (read by me, not AI). You can get them in your podcast player here. Paid subscribers can add

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12:41

Ranking the Chinese Open Model Builders

Interconnects ·

2025/08/17

The Chinese AI ecosystem has taken the AI world by storm this summer with an unrelenting pace of stellar open model releases. The flagship releases that got the most Western media coverage are the likes of Qwen 3, Kimi K2, or Zhipu GLM 4.5, but there is a long-tail of providers close behind in both quality and cadence of releases.In this post we rank the top 19 Chinese labs by the quality and quantity of contributions to the open AI ecosystem — this is not a list of raw ability, but outputs — all

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10:04

Contra Dwarkesh on Continual Learning

Interconnects ·

2025/08/15

Dwarkesh Patel’s now well-read post on why he is extending his AI timelines focuses on the idea of continual learning. If you ask me, what we have already is AGI, so the core question is: Is continual learning a bottleneck on AI progress?In this post, I argue that continual learning as he describes it actually doesn’t matter for the trajectory of AI progress that we are on. Continual learning will eventually be solved, but in the sort of way that a new type of AI will emerge from it, rather than

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10:41

GPT-5 and the arc of progress

Interconnects ·

2025/08/07

If you want a video version of this, check out the last 20 minutes of the livestream reaction (edit, fixed link) I did with Will Brown of Prime Intellect and Swyx of Smol AI & Latent Space.GPT-5 was set up to fail on some of the narratives it was expected to satisfy. The two central themes it had to decide between were the AGI (or superintelligence) narrative that Sam Altman & co. have been using to fundraise and the fact that ChatGPT is one of the fastest-growing consumer technologies of all time

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13:36

gpt-oss: OpenAI validates the open ecosystem (finally)

Interconnects ·

2025/08/05

OpenAI released two open-weight, text-only reasoning models today, both mixture of experts (MoE) sized to run efficiently on a range of hardware from consumer GPUs to the cloud. These models have the Apache 2.0 license, so they’re available for distillation into other reasoning models, deployment into commercial products, and are free of downstream restrictions. These two models, the smaller gpt-oss-20B with 3.6B active parameters and 21B total and the larger gpt-oss-120B with 5.1B active

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143 results

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