OpenAI announced the release of GPT-5.2, its most advanced model to date, as part of a company‑wide “code red” effort to strengthen ChatGPT against mounting competition from rivals like Google. The new series includes Instant, Thinking and Pro tiers, each tuned for speed, coding and high‑accuracy tasks. GPT-5.2 shows notable gains on the GDPval benchmark, beating human professionals on a majority of tasks, and reduces hallucinations by a reported 38 percent. OpenAI also highlighted new safeguards for mental‑health‑sensitive prompts and plans for an “adult mode” later next year. Leia mais →