Simon Willison — 2026-05-16#

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The standout update today is the release of datasette-llm-limits 0.1a0, which introduces a practical way to manage LLM API costs directly within Datasette. It’s a highly useful piece of infrastructure for anyone building and exposing AI tools, solving the very real problem of managing usage limits for local or hosted LLM integrations.

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[datasette-llm-limits 0.1a0](https://simonwillison.net/2026/May/15/datasette-llm-limits/#atom-everything) Simon released an alpha version of datasette-llm-limits, a new plugin that works alongside the datasette-llm and datasette-llm-accountant packages. It allows administrators to configure per-user or global spending limits for LLM usage inside of Datasette. This is a crucial addition for safely scaling AI-assisted database workflows by keeping API usage costs strictly under control.