(CNN) — OpenAI on Thursday launched GPT-5, an upgraded version of the AI model behind ChatGPT that the company claims is significantly faster and more capable than its predecessor. The launch comes as the AI giant has faced increased competition and amid growing concerns about AI’s impact on mental health and future jobs.

GPT-5, which launches today across OpenAI’s free and paid tiers, will make ChatGPT better at tasks like writing, coding and answering health-related questions, OpenAI claims. It also promises to prevent the popular chatbot from hallucinating as often and deceiving users when it can’t answer a question, the company says.

New models like GPT-5 are important because they determine how services like ChatGPT function and the new capabilities they’ll support, making them an e

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