GPT-5.6 changed the AI integration boundary, not just the model menu (opens in new tab)

OpenAI’s GPT-5.6 preview is easy to read as a model announcement. That would miss the more useful signal. The important part for software teams is not only that Sol is stronger, Terra is cheaper than the previous flagship tier, or Luna gives developers a lower-cost option. The more practical change is this: the model layer is becoming a product architecture decision. A founder building AI into a SaaS product now has to ask a sharper question: Are we building one AI feature around one model, o...