model rollout

Microsoft’s Copilot is begovernanceinning to let users pick a conversational style, but the rollout is cautious, limited, and still far from the kind of deep persona controls offered by competitors — a new personality selector (internally referenced as Personality Studio) has appeared in preview...

OpenAI’s GPT‑5 rollout has hit an early snag: a technically ambitious upgrade that promised sharper reasoning, larger context windows and selectable “thinking” modes provoked an unexpected user backlash over tone, prompting the company to restore the older GPT‑4o model for paying users and to...