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Using Claude Code: The Unreasonable Effectiveness of HTML
IA Programmation

Using Claude Code: The Unreasonable Effectiveness of HTML

Using Claude Code: The Unreasonable Effectiveness of HTML Thought-provoking piece by Thariq Shihipar (on the Claude Code team at Anthropic) advocating for HTML over Markdown as an output format to request from Claude. The article is crammed with interesting examples (collected on this site) and prompt suggestions like this one: Help me review this PR by creating an HTML artifact that describes it. I'm not very familiar with the streaming/backpressure logic so focus on that. Render the actual…

Simon Willison's Weblog
Fighting Tool Sprawl: The Case for AI Tool Registries
IA

Fighting Tool Sprawl: The Case for AI Tool Registries

As enterprise AI agent adoption scales, the absence of centralized, organization-level tool infrastructure is producing compounding costs. When adoption is built around optimizing for deployment speed, enterprises expose themselves to a combination of risks: duplicated engineering effort, security exposure, and operational opacity. Every enterprise needs its own shared tool registry, one that reflects its specific […]

O'Reilly Radar — AI/ML
Adaptive Parallel Reasoning: The Next Paradigm in Efficient Inference Scaling
IA

Adaptive Parallel Reasoning: The Next Paradigm in Efficient Inference Scaling

.apr-fig { text-align: center; margin: 1.35em 0; line-height: 1.4; } .apr-fig--wide img { display: inline-block; width: 100%; max-width: 100%; height: auto; vertical-align: middle; } .apr-fig--wide-0-8 { max-width: 80%; margin-left: auto; margin-right: auto; } .apr-fig--tall img { display: inline-block; max-height: 300px; width: auto; max-width: 100%; height: auto; object-fit: contain; vertical-align: middle; } .apr-fig--tall-1-2x img { display: inline-block; max-height: 360px; width: auto;…

BAIR Blog
Big Words
IA Programmation

Big Words

Tool: Big Words I'm using my vibe coded macOS presentations tool to put together a talk, and I wanted to add a slide with some text on it. The tool only accepts URLs, so I put together a quick page that accepts query string arguments and turns them into a simple slide. Here's an example: https://tools.simonwillison.net/big-words?text=simonwillison.net&gradient=1&size=9.5 Double click or double tap the page to access a form for modifying the different options. Tags: vibe-coding, tools

Simon Willison's Weblog
Behind the Scenes Hardening Firefox with Claude Mythos Preview
IA Programmation

Behind the Scenes Hardening Firefox with Claude Mythos Preview

Behind the Scenes Hardening Firefox with Claude Mythos Preview Fascinating, in-depth details on how Mozilla used their access to the Claude Mythos preview to locate and then fix hundreds of vulnerabilities in Firefox: Suddenly, the bugs are very good Just a few months ago, AI-generated security bug reports to open source projects were mostly known for being unwanted slop. Dealing with reports that look plausibly correct but are wrong imposes an asymmetric cost on project maintainers: it’s cheap…

Simon Willison's Weblog
Notes on the xAI/Anthropic data center deal
IA Programmation

Notes on the xAI/Anthropic data center deal

There weren't a lot of big new announcements from Anthropic at yesterday's Code w/ Claude event, but the biggest by far was the deal they've struck with SpaceX/xAI to use "all of the capacity of their Colossus data center". As I mentioned in my live blog of the keynote, that's the one with the particularly bad environmental record. The gas turbines installed to power the facility initially ran without Clean Air Act permits or pollution control devices, which they got away with by classifying…

Simon Willison's Weblog
The Best Risk Mitigation Strategy in Data? A Single Source of Truth
IA

The Best Risk Mitigation Strategy in Data? A Single Source of Truth

Every data leader has a version of this story. A regulatory audit surfaces a metric that doesn’t match across systems. A board member catches conflicting revenue numbers in two reports presented back-to-back. An AI tool generates a recommendation based on data that hasn’t been governed since the analyst who built it left the company two […]

O'Reilly Radar — AI/ML
GitHub Repo Stats
IA Programmation

GitHub Repo Stats

Tool: GitHub Repo Stats One of the things I always look for when evaluating a new GitHub repository is the number of commits it has... but that number isn't visible on GitHub's mobile site layout. I built this tool to fix that, using this prompt: Given a GitHub repo URL or foo/bar repo ID show information about that repo absorbed via wither REST or graphql CORS fetch() including the number of commits in the repo and other useful stats Example output for simonw/datasette and simonw/llm. Tags:…

Simon Willison's Weblog
Eating My Own Dog Food: How I Used the Framework to Write the Post About the Framework
IA

Eating My Own Dog Food: How I Used the Framework to Write the Post About the Framework

In “Don’t Automate Your Moat,” I argue that engineering organizations should match AI autonomy to two independent dimensions: business risk and competitive differentiation. I used AI Gateway cost controls as a worked example throughout the piece because a single feature touches all four quadrants depending on which piece you’re building. A piece making that argument […]

O'Reilly Radar — AI/ML
Vibe coding and agentic engineering are getting closer than I'd like
IA Programmation

Vibe coding and agentic engineering are getting closer than I'd like

I recently talked with Joseph Ruscio about AI coding tools for Heavybit's High Leverage podcast: Ep. #9, The AI Coding Paradigm Shift with Simon Willison. Here are some of my highlights, including my disturbing realization that vibe coding and agentic engineering have started to converge in my own work. One thing I really enjoy about podcasts is that they sometimes push me to think out loud in a way that exposes an idea I've not previously been able to put into words. Vibe coding and agentic…

Simon Willison's Weblog
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