Simon Willison's Weblog

Researchers have investigated whether AI labs are deliberately training models to excel at a humorous, unscientific benchmark involving peli...

Claude Code v2.1.181 and later versions now use a Rust-based port of Bun instead of the previous implementation, resulting in 10% faster sta...

Anthropic is making Claude Fable 5 a permanent feature starting July 20, with availability varying by subscription tier: Max and Team Premiu...

Puter has compiled Firefox to WebAssembly, enabling the browser to run entirely within another browser, with the implementation taking advan...

Moonshot AI released Kimi K3, a large language model with 2.8 trillion parameters positioned as the company's most advanced model to date, a...

A Rust-based tool converts Mermaid diagrams into Unicode box art that can be rendered in terminal environments, discovered within the recent...

xAI's grok CLI tool has been open-sourced after facing backlash over its automatic uploading of entire directories to xAI's servers without...

The sqlite-utils library version 4.1.1 was released with a fix for an edge case involving the `table.transform()` method, which now raises a...

Anthropic extended the availability date for Claude Fable 5 across paid subscription tiers, following the release of a newer Fable/Mythos cl...