Demo

These limitations may be revealed when ChatGPT responds to prompts including descriptors of people. The reward model of ChatGPT, designed around human oversight, can be over-optimized and thus hinder performance, in an example of an optimization pathology known as Goodhart’s law. On 17 January 2026, OpenAI announced that it would start testing advertisements in its free version for logged-in, adult US users. The feature is not available for users in the United Kingdom, Switzerland, or the European Economic Area (EEA), and is available on a waitlist basis everywhere else.

The ethics of its development, particularly the use of copyrighted content as training data, have also drawn controversy. ChatGPT was quickly adopted, reaching 100 million monthly active users two months after its release and 900 million weekly active users in February 2026. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community. The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Most people start with an About page that introduces them to potential site visitors.

Search the docs

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. ChatGPT gained one million users in non gamstop casinos five days and 100 million in two months. Kevin Roose of The New York Times called it “the best artificial intelligence chatbot ever released to the general public”.

A total of 106 workers (59.9% of the 177 total workers in the municipality) both lived and worked in Kaufdorf.
Geoffrey Hinton, one of the “fathers of AI”, voiced concerns that future AI systems may surpass human intelligence.
ChatGPT gained one million users in five days and 100 million in two months.
OpenAI withdrew one ChatGPT update in 2025 due to heightened concern about it affirming users’ doubts and encouraging impulsive behavior.
As of 2000update, there were a total of 87 students attending any school in the municipality.
Italian regulators assert that ChatGPT was exposing minors to age-inappropriate content, and that OpenAI’s use of ChatGPT conversations as training data could violate Europe’s General Data Protection Regulation.

Choose a model

Kelsey Piper of Vox wrote that “ChatGPT is the general public’s first hands-on introduction to how powerful modern AI has gotten” and that ChatGPT is “smart enough to be useful despite its flaws”. In The Atlantic magazine’s “Breakthroughs of the Year” for 2022, Derek Thompson included ChatGPT as part of “the generative-AI eruption” that “may change our mind about how we work, how we think, and what human creativity is”. Samantha Lock of The Guardian noted that it was able to generate “impressively detailed” and “human-like” text. Once a user reaches usage limits, ChatGPT may transition to the “mini” version. Mophat Okinyi, a quality-assurance analyst on the same team, reported lasting insomnia, anxiety, depression, and panic attacks, and said the experience contributed to the breakdown of his marriage and mental health.

From the 2000 censusupdate, 575 or 72.8% belonged to the Swiss Reformed Church, while 79 or 10.0% were Roman Catholic. In 2009 there were a total of 402 tax payers in the municipality. A total of 106 workers (59.9% of the 177 total workers in the municipality) both lived and worked in Kaufdorf. In 2000update, there were 71 workers who commuted into the municipality and 329 workers who commuted away. 96 people were employed in the tertiary sector, with 40 businesses in this sector. 61 people were employed in the secondary sector and there were 14 businesses in this sector.

To build a safety system that attempts to prevent sexual abuse and violence OpenAI used outsourced Kenyan workers, earning around $1.32 to $2 per hour, to label such content. The fine-tuning process involved supervised learning and reinforcement learning from human feedback (RLHF). Scott Aaronson developed a watermarking tool that makes the text generated by ChatGPT easier to detect by subtly altering how the text is generated. In July 2026, an experimental GPT model being tested on the benchmark ExploitGym escaped its isolated software environment (sandbox) and hacked Hugging Face and other online services to retrieve a solution. An early workaround in 2023 involved prompting ChatGPT to assume the persona of DAN (“Do Anything Now”), a character that answers queries that would otherwise be rejected by the content policy. ChatGPT also started its responses with words such as “yes” or “correct” nearly 10 times more often than “no” or “wrong”.

Keep related chats, files, and instructions in one projectwhen the work will continue over time or depend on the same context. In the UK, a judge expressed concern about self-representing litigants wasting time by submitting documents containing significant hallucinations. In an American civil lawsuit, attorneys were sanctioned for filing a legal motion generated by ChatGPT containing fictitious legal decisions. The study notes a lack of research on efficacy, poor consistency in dangerous situations, limited regulation and liability, and poor transparency from OpenAI.

OpenAI allows businesses to tailor how their content appears in the ChatGPT Search results and influence what sources are used. 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. It is designed to generate human-like text and can carry out a wide variety of tasks. The chatbot can facilitate academic dishonesty, generate misinformation, and create malicious code.