June 2026 newsletter

The June 2026 edition of Simon Willison’s monthly newsletter provides a curated briefing on the latest developments in large language models and software tools. This issue highlights significant industry updates, including the release of Claude Fable 5, GPT-5.6, and the emergence of GLM-5.2 as a leading open-weights model. It also addresses the impact of new United States export restrictions on these technologies.

Beyond model releases, the newsletter covers technical updates for developers, such as the latest versions of sqlite-utils and shot-scraper. It explores the integration of these tools with Datasette and discusses various WebAssembly projects. The content reflects a shift in industry trends, noting that the practice of tokenmaxxing has declined in popularity.

This newsletter serves as a resource for professionals looking to stay informed about the rapidly evolving artificial intelligence landscape. By offering a monthly digest of key model releases and practical software improvements, it helps subscribers track technical progress and adapt to new regulatory and development environments. Access to the current edition is available to sponsors who support the author’s work through a monthly subscription.