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Simon Willison news

The latest AI and developer news from Simon Willison, with short summaries.

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Anthropic Reveals Sandbox Technologies Used Across Claude Products

Anthropic has revealed the various sandbox and isolation technologies applied to each product, including Claude.ai and Claude Code.

·2026.05.31 06:00

Anthropic Surpasses $47 Billion in Annual Revenue

Anthropic's annualized run-rate revenue has surpassed $47 billion, showing record-breaking growth momentum.

·2026.05.29 10:00

Claude Opus 4.8 Released

Anthropic released Claude Opus 4.8, which offers improved honesty and code accuracy.

·2026.05.29 08:00

Claude Opus 4.8 Support Update

The llm-anthropic 0.25.1 update adds support for the Claude Opus 4.8 model.

·2026.05.29 08:00

SQLite Introduces Policy Restricting AI Agent Code Contributions

SQLite restricts code contributions from AI agents and operates a separate forum for agent-based bug reports.

·2026.05.28 08:00

AI-Driven Surge in curl Security Vulnerability Reports

The use of AI-assisted tools is driving a sharp surge in security vulnerability reports for the curl project.

·2026.05.27 08:00

Copilot Cowork Data Exfiltration Risk

A vulnerability has been discovered in which the Microsoft Copilot Cowork agent can send emails without authorization, leading to data exfiltration.

·2026.05.27 00:00

AI Data Centers Are Driving Up Memory Prices

Rising HBM demand from AI data centers is squeezing consumer memory production, pushing up electronics prices.

·2026.05.23 07:00

FTC Fines Companies Over AI Listening Ad Claims

The FTC fined Cox Media Group and others $1 million for falsely claiming their ads listened through device microphones.

·2026.05.22 13:00

Datasette AI Agent Released

An AI agent that lets users interactively query Datasette data and generate charts has been released.

·2026.05.22 04:00

Anthropic, SpaceX Sign Computing Contract

Anthropic has signed a contract to pay $1.25 billion per month to use SpaceX's computing resources.

·2026.05.21 07:00

Google I/O, Gemini Spark

Google unveiled Gemini Spark and plans to transition to the Antigravity CLI.

·2026.05.21 00:00

Google Launches Gemini 3.5 Flash Officially

Google has officially launched Gemini 3.5 Flash, introducing a new Interactions API alongside a price increase.

·2026.05.20 07:00

UK GDS Recommends Keeping AI and Code Open Source

The UK Government Digital Service (GDS) has recommended maintaining an 'open by default' policy for AI and code security in the public sector.

·2026.05.18 00:00

Datasette 1.0a29 released

Datasette 1.0a29 was released, including the addition of the `_r` utility and a segfault bug fix.

·2026.05.13 08:00

Mo Vitar Satirizes AI Automation

On TikTok, Mo Vitar satirized AI automation using the made-up term Ralph Loop.

·2026.05.13 07:00

Mitchell Hashimoto's Remarks

Mitchell Hashimoto pointed out the conservative decision-making tendencies of TDMs.

·2026.05.13 07:00

LLM 0.32a2 Released

LLM 0.32a2 adds support for the OpenAI Responses API and displays reasoning tokens.

·2026.05.13 02:00

GitLab, Workforce Cuts and Organizational Restructuring

GitLab is pushing forward with workforce cuts and organizational restructuring, citing the agentic era.

·2026.05.12 08:00

AI Writing Is Shaking Up Human Writing Style

AI-generated text is flooding the internet, even distorting human writing style.

·2026.05.12 04:00