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Released in February 2025, GPT-4.5 was described by Altman as a "giant, expensive model". In September 2024, OpenAI introduced o1-preview and a faster, cheaper model named o1-mini. GPT-4o ("o" for "omni") is a multilingual, multimodal generative pre-trained transformer developed by OpenAI and released in May 2024. In November 2023, OpenAI launched GPT-4 Turbo with a 128,000 token context window. A study presented example attacks on ChatGPT, including jailbreaks and reverse psychology.
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In December 2023, ChatGPT became the first non-human to be included in Nature's 10, an annual listicle curated by Nature of people considered to have made significant impact in science. A 2023 study reported that GPT-4 obtained a better score than 99% of humans on the Torrance Tests of Creative Thinking. The company announced a slew of generative AI-powered features to counter OpenAI and Microsoft. Google's Bard (now Gemini) launched on February 6, 2023, one day before Microsoft's announcement of Bing Chat (now Microsoft Copilot). Their leaders emphasized their earlier caution regarding public deployment was due to the trust the public places in Google Search.
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- ChatGPT is a chatbot and AI assistant built on large language model (LLM) technology.
- In July 2024, the American Bar Association (ABA) issued its first formal ethics opinion on attorneys using generative AI.
- ChatGPT also provided an outline of how human reviewers are trained to reduce inappropriate content and to attempt to provide political information without affiliating with any political position.
- YouTube Music Premium is a paid music membership for YouTube Music users.
- Andrew Ng argued that "it’s a mistake to fall for the doomsday hype on AI—and that regulators who do will only benefit vested interests." Yann LeCun dismissed doomsday warnings of AI-powered misinformation and existential threats to the human race.
At launch, OpenAI included more than 3 million GPTs created by GPT Builder users in the GPT Store. ChatGPT's Mandarin Chinese abilities were lauded, but the ability of the AI to produce content in Mandarin Chinese in a Taiwanese accent was found to be "less than ideal" due to differences between mainland Mandarin Chinese and Taiwanese Mandarin. None of the tested services were a perfect replacement for a fluent human translator. In December 2023, the Albanian government decided to use ChatGPT for the rapid translation of European Union documents and the analysis of required changes needed for Albania's accession to the EU. ChatGPT (based on GPT-4) was better able to translate Japanese to English when compared to Bing, Bard, and DeepL Translator in 2023.
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On August 19, 2025, OpenAI launched ChatGPT Go in India, a low-cost subscription plan priced at ₹399 per month, offering ten times higher message, image generation, and file-upload limits, double the memory span compared to the free version, and support for UPI payments. The integration used ChatGPT to write prompts for DALL-E guided by conversations with users. In October 2023, OpenAI's image generation model DALL-E 3 was integrated into ChatGPT Plus and ChatGPT Enterprise. According to the company, the paid version of the website was still experimental, but provided access during peak periods, no downtime, priority access to new features, and faster response speeds. ChatGPT was initially free to the public, and OpenAI planned to monetize the service later.
It allows ChatGPT to search the web in an attempt to make more accurate and up-to-date responses. To prevent offensive outputs from being presented to and produced by ChatGPT, queries are filtered through the OpenAI "Moderation endpoint" API (a separate GPT-based AI). ChatGPT is frequently used for translation and summarization tasks, and can simulate interactive environments such as a Linux terminal, a multi-user chat room, or simple text-based games such as tic-tac-toe. ChatGPT's training data includes software manual pages, information about internet phenomena such as bulletin board systems, multiple programming languages, and the text of Wikipedia.
A 2025 Sentio University survey of 499 LLM users with self-reported mental health conditions found that 96.2% use ChatGPT, with 48.7% using it specifically for mental health support or therapy-related purposes. At launch, the feature was limited to purchases on Etsy from US users with a payment method linked to their OpenAI account. According to TechCrunch, it is a service based on o3 that combines advanced reasoning and web search capabilities to make comprehensive reports within 5 to 30 minutes.
In September 2025, following the suicide of a mexhico restaurant 16-year-old, OpenAI said it planned to add restrictions for users under 18, including the blocking of graphic sexual content and the prevention of flirtatious talk. The model can also generate new images based on existing ones provided in the prompt, which can, for example, be used to transform images with specific styles or inpaint areas. ChatGPT is based on GPT foundation models that have been fine-tuned for conversational assistance. The attorneys were sanctioned for filing the motion and presenting the fictitious legal decisions ChatGPT generated as authentic. ChatGPT shows inconsistent responses, lack of specificity, lack of control over patient data, and a limited ability to take additional context (such as regional variations) into consideration. This has led to concern over the rise of what has come to be called "synthetic media" and "AI slop" which are generated by AI and rapidly spread over social media and the internet.
It currently uses GPT-5.1, a generative pre-trained transformer (GPT), to generate text, speech, and images in response to user prompts. ChatGPT is a generative artificial intelligence chatbot developed by OpenAI and released in November 2022. YouTube Music Premium is a paid music membership for YouTube Music users. If you're a researcher trying to access YouTube data for your academic research, you can apply to YouTube's researcher programme. In July 2024, the American Bar Association (ABA) issued its first formal ethics opinion on attorneys using generative AI. On November 29, Rosário revealed that the bill had been entirely written by ChatGPT, and that he had presented it to the rest of the council without making any changes or disclosing the chatbot's involvement.