Simon Willison discusses the open weight AI revolution on Bryan Cantrill and Adam Leventhal's podcast, covering Kimi K3's competitive performance against proprietary models, accidental cybersecurity incidents involving major AI companies, and a public letter advocating for open weights and American AI leadership. The conversation also revisits earlier predictions and includes a humorous new prediction about the Pope commenting on open models by year's end.
Background
Open weight AI models have gained significant momentum in 2026, with Chinese models like Kimi K3 demonstrating performance competitive with proprietary frontier models. The debate over open versus closed AI models has become a major topic in the AI community.
- Source
- Simon Willison
- Published
- Aug 1, 2026 at 05:33 AM
- Score
- 6.0 / 10