#prompting
prompting

Vibe coding games: why October 2026 is an inflection point

Simon Willison argues that October 2026 is when AI models became good enough at game design to make vibe coded games genuinely fun. He built four browser games mostly with Claude Opus 5.5 and shares the prompts and workflow he used. The post is a practical look at iterating with coding agents, and at where GPT-6 models still fall short.

Using Claude to shrink code attack surface: 493 issues in 25 projects

Anthropic shared research on using Claude to find code that a deployment can reach but does not need, then restrict or remove it. Across 25 open-source projects with over five million lines, it reported 493 issues. In OpenSSH, about 4,500 lines of experimental post-quantum signature code reachable before authentication were addressed in releases 10.5 and 10.6. It is a concrete method for teams using AI in security reviews.