Pydantic creator open-sources Monty, a 1ms-startup Python sandbox

Samuel Colvin, creator of Pydantic, has released Monty v1, an open-source Python sandbox for AI agent code execution that starts in just 1 millisecond, running 10,000 scripts in 674ms.

2026-09-25 ~ 2026-09-25 · 3 related posts

• Pydantic creator open-sources Monty: a 1ms-startup Python sandbox that ran 10k scripts in 674ms — samuelcolvin · 2026-09-25

2 near-duplicate retellings: samuelcolvin · samuelcolvin