What are the key takeaways from “GPT-5.6 SOL is HERE” on Matthew Berman?

What is this episode about?

GPT 5.6 represents the peak of the current training run, outperforming predecessors like Opus 4.8 with superior logic and cost-efficiency. By using this frontier model for high-level planning and orchestration while delegating execution to smaller models like Terra or Luna, users can maintain top-tier output quality while drastically reducing per-task operational costs.