Uploaded March 2026 | Updated September 2026, 2 weeks ago

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With Simon Willison. Recorded 11 February 2026, at The Pragmatic Summit: www.pragmaticsummit.com. See extended notes from Simon in his excellent writeup: simonwillison.net/2026/Mar/14/pragmatic-summit

Watch the session with Q&A also included: newsletter.pragmaticengineer.com/p/the-pragmatic-summit-recordings

0:00 Intro: shipping from your phone
5:56 TDD as the core reliability framework
12:52 Prompt injection and security fundamentals
21:31 Using the current models better