Simon Willison @simonw

Big model release today - I wrote about Claude Opus 5.5, GPT-6 Sol, and GPT-6 Luna - plus comparison grids of pelicans by the different model families at different reasoning levels https://t.co/R5lSdOZyLj

• Simon Willison: October 2026 is the vibe game dev inflection point2026-10-28
• Developer builds AI-coded RTS with audio-based multiplayer2026-10-20
• Developer builds 500 clocks in one 6.3 MB HTML file with Opus 5.52026-10-18
• Simon Willison builds blog feature using voice mode2026-10-09
• Simon Willison urges default hard budget caps on APIs2026-10-04