Latest from Simon Willison

• 38m

  Advancing the price-performance frontier with GPT‑5.6

  Simon Willison
• 9h

  llm 0.32rc1

  Simon Willison
• 1d

  AI Worming through Word

  Simon Willison
• 2d

  Adding a custom MCP server to Claude and ChatGPT

  Simon Willison
• 2d

  Discovering cryptographic weaknesses with Claude

  Simon Willison
• 2d

  Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident

  Simon Willison
• 3d

  An opinionated guide to which AI to use to do stuff

  Simon Willison
• 6d

  Introducing Claude Opus 5

  Simon Willison