CyberArk researchers demonstrated that ChatGPT could be used to create polymorphic malware that could evade security products while requiring little effort by the attacker. It found that 52% of the responses contained inaccuracies and 77% were verbose. In one study, it produced solutions in C, C++, Python, and MATLAB for problems in computational physics. ChatGPT was able in 2023 to provide useful code for solving numerical algorithms in limited cases. In January 2023, Science banned chatbot-generated text in all its journals.
Some, including Nature and JAMA Network, require full disclosure of any use of text-generating tools, and prohibit listing a chatbot as a co-author. This includes text-to-image models such as Stable Diffusion and large language models such as ChatGPT. A May 2023 statement by hundreds of AI scientists, AI industry leaders, and other public figures demanded that "[m]itigating the risk of extinction from AI should be a global priority". In July 2023, the FTC launched an investigation into OpenAI over allegations that the company scraped public data and published false and defamatory information.
These rankings were used to create "reward models" that were used to fine-tune the model further by using several iterations of proximal policy optimization. Reinforcement learning consisted of human trainers ranking responses generated by the model in previous conversations. During supervised learning, the trainers acted as both the user and the AI assistant, providing examples of how the chatbot is expected to respond. ChatGPT is based on GPT foundation models that have been fine-tuned for conversational assistance.
Unlimited conversations, fast responses, and support for text, audio, and video make AI Chat more efficient and convenient for study, work, and creativity. This feature makes it easy to handle multimedia content without manually transcribing or switching apps, saving time and making your study or work more productive. You can upload lectures, podcasts, meetings, or documents and ask the AI to summarize, extract insights, or answer questions. Having multiple models in one platform allows users to choose the right AI for study, writing, brainstorming, or daily problem-solving. This all-in-one platform saves time and helps students, creators, and professionals handle tasks efficiently without juggling multiple tools. Ask questions, get instant answers, brainstorm ideas, or interact with text, audio, and video—all free online and unlimited. AI Chat combines ChatGPT, Gemini, DeepSeek and more in one place, letting you chat, create, and get answers instantly—free and unlimited online.
To create a reward model for reinforcement learning, we needed to collect comparison data, which consisted of two or more model responses ranked by quality. We gave the trainers access to model-written suggestions to help them compose their responses. Existing in nature and not produced or caused by people; not changed from a natural state by production or growing methods No, you can't submit a copyright removal request for an entire channel or playlist. Copyright removal requests must include direct links to the allegedly infringing content.
The Last Screenwriter, a 2024 film created and directed by Peter Luisi, was written using ChatGPT, and was marketed as "the first film written entirely by AI". The ChatGPT-generated avatar told the people, "Dear friends, it is an honor for me to stand here and preach to you as the first artificial intelligence at this year's convention of Protestants in Germany". In June 2023, hundreds of people attended a "ChatGPT-powered church service" at St. Paul's Church in Fürth, Germany. The potential benefits include enhancing personalized learning, improving student productivity, assisting with brainstorming, summarization, and supporting language literacy skills.
Chris Granatino, a librarian at Seattle University, noted that while ChatGPT can generate content that seemingly includes legitimate citations, in most cases those citations are not real or largely incorrect. In a 2023 blinded study in npj Digital Medicine, researchers tasked with identifying whether abstracts were authentic or generated by ChatGPT were fooled around one-third of the time by the AI-generated abstracts. In August 2024, the FTC voted unanimously to ban marketers from using fake user reviews created by generative AI chatbots (including ChatGPT) and influencers paying for bots to increase follower counts. The FTC asked OpenAI for comprehensive information about its technology and privacy safeguards, as well as any steps taken to prevent the recurrence of situations in which its chatbot generated false and derogatory content about people. ChatGPT has never been publicly available in mainland China, Hong Kong and Macau because OpenAI prevented users from these Chinese regions from accessing their site.
In 2025, OpenAI added several features to make ChatGPT more agentic (capable of autonomously performing longer tasks). The model can also generate new images based on existing ones provided in the prompt. It was initially based on the reasoning model o3 and took 5 to 30 minutes per report.

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