The Ledger
Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.
why aren't all 29 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 1 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable
Cherny: Claude Code and Claude Cowork Were Entirely Written by Claude Code
“QuadCode is a hundred percent written by QuadCode. Cowork is a hundred percent written by QuadCode.”
Antani: 86% of Claude Code tokens are spent fixing its own errors
“And the, these models, I was reading a research paper, 86% of the tokens spent by cloud code are spent fixing mistakes cloud code made.”
Audit Finds $1.7M in Mistaken AI Overcharges, Mostly From Anthropic
“Between March and June, Vaudit audited bills sent to 60 companies totaling thirty-four million, mostly for usage of Anthropik's cloud code, and found about 1.7 million in mistaken overcharges.”
Claude Code Has Overtaken Cursor For Majority AI Coding Market Share
“Cursor comes out, and within about a year, it has the majority of the market. Then, by the way, Cloud Code comes out, and then now Cloud Code has majority of the market.”
Cherny: AI coding models will eventually form a self-reinforcing loop
“Quad is starting to generate its own ideas for what to build next for QuadCode, but it's, you know, it's not always good ideas, and I still generate most of the ideas, and, you know, at some point it's gonna change. The model's gonna improve, and it's gonna be…”
Anthropic Engineers Increased Code Output by Hundreds of Percent With Claude Code
“What happened with Claude is now many companies, including Anthropic, and all of our biggest customers are reporting gains on the order of hundreds of percentage points. And I think the last number that we reported is the amount of code written per engineer at…”
Cherny: Multi-Claude Automated Safety Checks Are Now Safer Than Human Approvals
“Essentially we found both in the laboratory setting, and now we're finding in the wild, this is safer than what we had before. So as a user, it's a really nice benefit, because you don't have to sit there and say yes over and over, and actually the result is b…”
OpenAI's Codex enterprise business remains significantly smaller than Anthropic's Claude Code
“It seems like it's a fast growing business codex for them, but it's still not nearly, you know, as big as cloud code is.”
Kantrowitz: Anthropic hit $14B run rate and 4% of GitHub commits
“Cloud code doubled in usage from December to January, I believe in the past month, doubled in usage. It's already doing four percent of commits on GitHub. Anthropic went from zero dollars in revenue in January, 23 to a hundred million dollar run rate in Januar…”
Hassabis: Anthropic Avoids Multimodal Models to Focus Strictly on Coding
“You know, they don't make image models, multimodal models, world models. They just do, you know, coding and language models, and they're very, very good at that.”
Roy predicts agentic AI will achieve a mainstream breakthrough in 2026.
“And that's why I honestly think this year, this is going to break through in a big way. The way coding assistance were the story of 20, 25.”
Kantrowitz: Google Is Clearly Behind on AI Coding Agents
“Google is clearly behind on the coding agents. They don't really have something. That is in, in a league with the latest large language models, but also with the applications, with the codecs and the cloud codes.”
Kantrowitz: Frontier AI labs will increasingly restrict competitor model use
“If one company takes a lead and wants to protect that lead, we might see more of this, which is, I mean, we know Anthropik restricts the use of Claude Code and its competitors so we may end up seeing more of it.”
Costolo: Anthropic initially planned to keep Claude Code internal
“You know, they weren't even initially gonna release Claude Code. I mean, they initially, my understanding from folks inside Anthropic is we were just gonna be like, wait, this is like a huge competitive advantage. To be able to increase the rate of speed with …”
Cherny: Claude Code was first AI tool able to edit local computer files
“Even something as simple as like editing a file on your computer. You know, like a year and a half ago, there was no AI product that could actually do that. But this is the first thing that quad code was able to do. It could edit a file on your desktop.”
Cherny: Most Claude Code Users Run Multiple Instances Simultaneously
“One of the cool things about quad, and this is something that we started to see pretty early with quad code users, is actually very few people nowadays run one quad code at a time. Most people run many, many quad codes, you know, ranging from, you know, a few …”
Cherny: Half of YC Founders Write Entire Codebases Using Claude Code
“I did a talk at Y Combinator, you know, the startup incubator yesterday, and I asked people to raise their hands, you know, everyone, everyone's using QuadCode, and I asked them, You know, raise your hand if a hundred percent of your code is written using quad…”
Levie: Autonomous task delegation is now the dominant AI coding paradigm
“You're not in an IDE. You're not coding alongside it. You're just setting off a task, and it's going to go and do a bunch of work for you. And now, obviously, it's very clear that that's the dominant paradigm that we're going to be in. Codex has proven it. You…”
Anthropic's Run-Rate Revenue Exceeded $5 Billion by August 2025
“The company also says its run rate revenue, which was one billion at the beginning of 2025, was more than five billion dollars. By August. And Cloud Code has already generated over five hundred million in run rate, with the usage growing more than 10 X in just…”
Roy: Ramp data shows Codex closing gap with Claude Code
“Well, certainly there's been like ramp data, but around Codex starting to close the gap again with Claude Code.”
Krieger: Simple text-box interfaces are no longer sufficient for frontier AI
“Spending a lot of time in lab saying just a text box and a big text It's not going to cut it anymore. Like when I mentioned that the models feel like they're way smarter than me when they talk to me, sometimes I'm like, can you draw me a picture? Because this …”
Cherny: The defining difference of an AI agent is tool use
“The thing that made quad code different from chatbots at the time was quad code can use tools. And this is it. Like, this is just the difference. It's, with a chatbot, you're going back and forth and you're talking, but an agent, and Cloud Code is an agent, it…”
Hackathon Participant Built and Sold an Entire Startup Using Claude Code
“There's one person that built and sold a startup as a result of one of these hackathons that we put on.”
Cherny: New AI Users Are Often More Ambitious Than Veteran Users
“I think for people that have kind of grown up with these products and they've seen previous versions, they might not be as ambitious as they could, but for people that are new to the products, I often see them using quad code and cowork for things that I would…”
Krieger: Top Anthropic engineers manage 3-4 Claude Code instances simultaneously
“Our best engineers are managing three or four cloud code instances running at once.”
Masad: Claude Code competes directly with Cursor and Windsurf
“Right now, Cloud Code is, is used by developers and loved by developers, and I think they're competing head-to-head with Cursor, Windsurf, and those kind of products.”
Kantrowitz: Claude Code $200 tier gives thousands in API value
“Cloud code is the max package is 200 dollars a month, and you see developers getting thousands of dollars of API value out of that.”