Thursday, April 23, 2026

51 articles

Simon Willison
1 min read

llm-openai-via-codex 0.1a0

Release: llm-openai-via-codex 0.1a0 Hijacks your Codex CLI credentials to make API calls with LLM, as described in my post about GPT-5.5. Tags: openai, llm, codex-cli

The Verge
1 min read

Anthropic’s Mythos breach was humiliating

Anthropic's tightly controlled rollout of Claude Mythos has taken an awkward turn. After spending weeks insisting the AI model is so capable at cybersecurity that it is too dangerous to release publicly, it appears the model fell into the wrong hands anyway. According to Bloomberg, a "small group...

OpenAI
1 min read

Introducing GPT-5.5

Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.

OpenAI
1 min read

GPT-5.5 Bio Bug Bounty

Explore the GPT-5.5 Bio Bug Bounty: a red-teaming challenge to find universal jailbreaks for bio safety risks, with rewards up to $25,000.

Simon Willison
1 min read

A pelican for GPT-5.5 via the semi-official Codex backdoor API

GPT-5.5 is out. It's available in OpenAI Codex and is rolling out to paid ChatGPT subscribers. I've had some preview access and found it to be a fast, effective and highly capable model. As is usually the case these days, it's hard to put into words what's good about it - I ask it to build things...

The Verge
1 min read

Meta is laying off 10 percent of its staff

Meta is planning to layoff around 10 percent of employees in May, according to a memo from the company's chief people officer, Janelle Gale, published by Bloomberg. That means approximately 8,000 people will see their jobs cut. Meta will also be closing around 6,000 open roles, according to Gale....

OpenAI
1 min read

What is Codex?

Learn how Codex helps you go beyond chat by automating tasks, connecting tools, and producing real outputs like docs and dashboards.

OpenAI
1 min read

Automations

Learn how to automate tasks in Codex using schedules and triggers to create reports, summaries, and recurring workflows without manual effort.

OpenAI
1 min read

Plugins and skills

Learn how to use Codex plugins and skills to connect tools, access data, and follow repeatable workflows to automate tasks and improve results.

OpenAI
1 min read

Working with Codex

Learn how to set up your Codex workspace, create threads and projects, manage files, and start completing tasks with step-by-step guidance.

OpenAI
1 min read

Codex settings

Learn how to configure Codex settings, including personalization, detail level, and permissions, to run tasks smoothly and customize your workflow.

Simon Willison
1 min read

Extract PDF text in your browser with LiteParse for the web

LlamaIndex have a most excellent open source project called LiteParse, which provides a Node.js CLI tool for extracting text from PDFs. I got a version of LiteParse working entirely in the browser, using most of the same libraries that LiteParse uses to run in Node.js. Spatial text parsing...

The Verge
1 min read

You’re about to feel the AI money squeeze

Earlier this month, millions of OpenClaw users woke up to a sweeping mandate: The viral AI agent tool, which this year took the worldwide tech industry by storm, had been severely restricted by Anthropic. Anthropic, like other leading AI labs, was under immense pressure to lessen the strain on its...

The Register
1 min read

Google explains why its all-in-one AI stack embraces competitors

'Differentiated, but open' Google Cloud Next Google Cloud’s Andi Gutmans said that the company holds a structural advantage over its largest rivals in the race to win value from AI agents in the enterprise, arguing that no competitor currently combines cloud computing infrastructure, frontier AI...

The Register
1 min read

Stop measuring AI training costs in GPU hours

Why idle time, checkpointing, and cluster failures are quietly inflating your training budget Partner Content The cost of training today’s large-scale foundation models is often reduced to a single number: the price of a GPU hour. It's a convenient metric. It is also the wrong one. When training...

The Register
1 min read

AI now gobbling up power and management chips for servers

Bad news for multiple general server components as vendors switch to more lucrative gear The chip shortage is spreading to power and management controller silicon, threatening server shipments as vendors prioritize capacity for higher-margin AI server products.…

Simon Willison
1 min read

Quoting Maggie Appleton

[...] if you ever needed another reason to learn in public by digital gardening or podcasting or streaming or whathaveyou, add on that people will assume you’re more competent than you are. This will get you invites to very cool exclusive events filled with high-achieving, interesting people, even...

The Verge
1 min read

THE PEOPLE DO NOT YEARN FOR AUTOMATION

Today on Decoder, I want to lay out an idea that’s been banging around my head for weeks now as we’ve been reporting on AI and having conversations here on this show. I’ve been calling it software brain, and it’s a particular way of seeing the world that fits everything into algorithms, databases...

The Register
1 min read

AI bats away ping-pong challenge as rise of the machines continues

Sony project claims a significant breakthrough with applications in task requiring speed and accuracy Rise of the Machines The ancient games of chess and Go are now mere staging posts in the journey toward robots demonstrating their superior performance to humans - the machines can now beat us...