Deep diving into three major AI releases. Aug 13, 2026∙ PaidThree releases landed last week that appear to belong to different universes. Meta launched a coding agent. Prime Intellect released an open-source agent harness. OpenAI published a 253-page collection of mathematical results produced by an unreleased model called Astra.We discuss all of them in enough technical depth to keep you smart about it but brief enough to get through it in 5-6 mins. Let’s go.Meta: Training the Model and the Harness as One System