CHAT GPT-5.1: OpenAI Balances Innovation and Control with Eight Distinct AI Personalities

We’re stepping into a new chapter in how we use AI with GPT‑5.1 from OpenAI. It launched in November 2025 and represents more than just a smarter model. Now we can pick how the AI behaves and speak with it in a tone that matches our mood or task. We’ll explore how OpenAI is balancing innovation and control; we’ll look at the eight distinct personalities built into GPT‑5.1 and ask what it all means for us.