How do AI teams use RL in production?
The full RL nanodegree, covered with implementation.
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Reverse-engineering is cheap now
Reverse-engineering is cheap now
I keep hearing anecdotes from people who used coding agents to reverse-engineer and automate devices in their homes. I think this is an interesting illustration of the impact of the reduced cost of writing code. Prior to agents, it was entirely possible to reverse-engineer home devices. The problem was the ROI - was it really worth all of that effort? More importantly, any experienced programmer knows that undocumented, unstable APIs like that may well change or break in the future. Is that…
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Who’s Afraid of Chinese Models?
Who’s Afraid of Chinese Models? Interesting proposal from Ben Thompson that both addresses the hypocrisy of labs outlawing distillation against their models despite training on unlicensed data, and could help US open models compete more effectively with their Chinese counterparts: The U.S. should pass a law that (1) makes explicit that collecting data for training models is fair use, and (2) bars terms of service that forbid distillation, for U.S. companies at a minimum. Stopping distillation —…
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The Tokens You Can’t Wait For
Somewhere in a Singapore data center, a bank is paying for eight H100s that spend most of the night waiting. The cluster was bought for good reasons (discomfort with customer documents leaving the building, a strategy team’s aversion to lock-in), so the bank secured its own sovereign compute. Now the finance team is asking why […]
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Quoting Sam Altman
Quoting Sam Altman
We have been having extensive discussions around open source strategy. We will discuss it more at our next board meeting, but one thing we’d like to do soon is to create a language model with the approximate capability of GPT-3 that can run locally on consumer hardware and release that. We’d like to do it soon, before Stability or someone else does. In general, we think this helps discourage others from releasing similarly-powerful models, and makes it harder for new efforts to get funded.…
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![[Hands-on] Rebuilding Claude Code's Harness](https://substackcdn.com/image/fetch/$s_!Sgx8!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff3efbbc7-24b4-4c59-965d-6c3d3fc3c694_1200x1200.png)
[Hands-on] Rebuilding Claude Code's Harness
...step-by-step, from scratch, using open-source stack.
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AI Mania Is Eviscerating Global Decision-Making
AI Mania Is Eviscerating Global Decision-Making
AI Mania Is Eviscerating Global Decision-Making Here's an entertaining perspective from Nik Suresh on the AI mania that is overwhelming the large companies that he consults with. It's crammed with spicy anecdotes from anonymous sources. In one extreme case, I have seen an executive confess that they had never even used ChatGPT or any AI tool in their life, immediately after producing a technical strategy for an organisation with $2B+ in revenue which was entirely centered around AI. Here's a…
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Claude Code uses Bun written in Rust now
Claude Code uses Bun written in Rust now
In Rewriting Bun in Rust Jarred Sumner made the following claim: Claude Code v2.1.181 (released June 17th) and later use the Rust port of Bun. Startup got 10% faster on Linux but otherwise, barely anyone noticed. Boring is good. I decided to have a poke at my own Claude Code installation to see if I could find evidence that it was using Bun written in Rust. I found these two commands convincing: strings ~/.local/bin/claude | grep -m1 'Bun v1' For me this outputs Bun v1.4.0 (macOS arm64). The…
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SQLite Query Explainer
SQLite Query Explainer
Tool: SQLite Query Explainer Julia Evan's, in Learning a few things about running SQLite: Maybe one day I’ll learn to read a query plan. Big same.... which inspired me to have Fable build this interactive explain tool, which runs SQLite in Python in Pyodide in Web Assembly in the browser and adds a layer of explanation to the results of both EXPLAIN and EXPLAIN QUERY PLAN. Approach with caution, since I don't know enough about SQLite query plans to verify the results myself, but it seems…
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Claude make Fable 5 permanent
Claude make Fable 5 permanent
Claude make Fable 5 permanent An update from the @claudeai account on Twitter: Beginning July 20, Claude Fable 5 will be included in all Max and Team Premium plans, at 50% of limits. Pro and Team Standard users will continue to have access to Fable via usage credits, and will receive a one-time $100 credit. As I was saying last week, the competition from GPT-5.6 Sol (and maybe to a lesser extent Kimi 3) made untenable Anthropic's plan to remove Fable 5 from their subscription accounts and make…
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nascheme/quixote
nascheme/quixote
nascheme/quixote A certain vintage if Python web nerd might be delighted to learn that the most recent commit to the Quixote web framework was six hours ago. The oldest commit in that repo is from 21 years ago, and that was the initial import of Quixote 2.4 from Subversion into Git. Tags: computer-history, python, web-frameworks
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Quoting Kimi K3
Quoting Kimi K3
Is there something I can actually help you with today? — Kimi K3, after refusing to leak its system prompt Tags: kimi, ai-personality, generative-ai, ai, llms
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LLM cliché highlighter
LLM cliché highlighter
Tool: LLM cliché highlighter I got frustrated reading yet another article that was crammed with the clichés of LLM-generated writing - "no fluff, no filler, no jargon" type stuff - so I had Fable 5 vibe code up this app for highlighting ten common patterns that show up in that sort of writing. Tags: tools, ai, generative-ai, llms
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The Right Amount of Spec for Agentic Development
I keep seeing the same idea in conversations about agents: Detailed specs are old-world overhead now. Give the model a rough goal, let it explore, fix what comes back, move on. It sounds efficient but it also hides the cost. A simple prompt looks cheap and tempting because it gets implementation started right away. Then […]
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