GPT-6 Astra Reviews, Platform Wars, and Agent Memory in Production

GPT-6 Astra launched and practitioners are already stress-testing it in real workflows — the early read is "impressive but Fable still has better product instincts." Meanwhile, Zachary Lipton's sharp take on platform bundling is worth bookmarking, and AWS's AgentCore memory lifecycle post is the most concrete production-agent guidance I've seen in months.