OpenAI introduced its newest model, GPT‑5.1, as the default engine for ChatGPT. The update offers two variants—Instant for fast responses and Thinking for more deliberative tasks—while adding real‑time personality and tone controls that let users adjust the chatbot’s style on the fly. The rollout follows criticism of the previous GPT‑5 release, with OpenAI keeping older models available for comparison and planning a phased deployment over several months. Leer más →

OpenAI introduced its new GPT-5 model, automatically defaulting users to the latest version and removing the ability to select older models. The change sparked a wave of criticism from users who preferred the previous GPT-4o for its tone and style. In response, OpenAI’s CEO Sam Altman addressed concerns on Reddit and X, announcing that Plus subscribers could again choose between GPT-5 and GPT-4o. The company said it would monitor usage to decide how long legacy models remain available, while continuing to refine GPT-5’s performance and warmth. Leer más →