https://www.lennysnewsletter.com/p/openai-dev-day-2026-the-releasesLenny's Newsletteren2026-09-30T14:45:15+00:00OpenAI Dev Day 2026: The releases that actually matterhttps://www.lennysnewsletter.com/p/jev-8-real-use-cases-for-the-fastestLenny's Newsletteren2026-09-30T12:04:27+00:00Jev: 8 real use cases for the fastest, cheapest model I’ve ever used | John Lindquisthttps://www.lennysnewsletter.com/p/all-of-the-lenny-and-friends-summitLenny's Newsletteren2026-09-29T13:15:57+00:00All of the Lenny & Friends Summit talks are now online!