With the launch of GPT‑5.1, OpenAI is recalibrating its flagship AI model to do more than deliver accurate answers; it’s now aiming for a friendly, customizable vibe. The update, which introduces two variants (Instant and Thinking) and a broader palette of personality presets (Friendly, Nerdy, Cynical and more), is a direct response to user feedback that the previous iteration, GPT‑5, felt cold and transactional.
