Insights on AI communication, voice agents, WhatsApp automation, and the future of customer engagement.
OpenAI's GPT-5.5 line ships in two main flavors plus a Pro tier: Instant, Thinking, and Pro. They are not three different models in the old sense — they are three different reasoning modes over the GPT-5.5 family. Picking the right one is the difference between snappy answers, deep analysis, and bur…