The term "hallucination" as applied to LLMs is distinct from its meaning in psychology, and the phenomenon in chatbots is more similar to confabulation. These limitations may be revealed when ChatGPT responds to prompts including descriptors of people. On 17 January 2026, OpenAI announced that it would start testing advertisements in its free version for logged-in, adult US users. ChatGPT was initially free to the public and remains free in a limited capacity. It has an additional feature called "agentic mode" that allows it to take online actions for the user. In October 2025, OpenAI launched ChatGPT Atlas, a browser integrating the ChatGPT assistant directly into web navigation, to compete with existing browsers such as Google Chrome. Their leaders emphasized their earlier caution regarding public deployment was due to the trust the public places in Google Search. It was the fastest-growing internet application in history until the release of Threads by Meta. In February 2023, Time magazine placed a screenshot of a conversation with ChatGPT on its cover, writing that "The AI Arms Race Is Changing Everything" and "The AI Arms Race Is On. Start Worrying". 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". The original version of ChatGPT, released in November 2022, had capabilities described as unprecedented. Once a user reaches usage limits, ChatGPT may transition to the "mini" version. It was initially based on the reasoning model o3 and took 5 to 30 minutes per report. In February 2025, OpenAI released Deep Research, a feature that generates reports based on extensive web searches. When enabled in developer mode, this allows for improved third-party access to ChatGPT tools and servers. However, as of 2024, no machine translation services match human expert performance. 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. Access to evaluation models in auto model selection for users Copilot plans for individuals is governed by a policy. For best results, keep your IDE and Copilot extension or plugin updated to the latest available version. The table below lists the minimum versions known from changelog entries or provided release guidance. Some Copilot models require minimum versions of supported IDEs or Copilot extensions or plugins. 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. 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. 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. It allows ChatGPT to search the web in an attempt to make more accurate and up-to-date responses. This includes both plugins made by OpenAI, such as web browsing and code interpretation, and external plugins from developers such as Expedia, OpenTable, and Zapier. GPT-based moderation classifiers are used to reduce the risk of harmful outputs being presented to users. 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. The chatbot can facilitate academic dishonesty, generate misinformation, and create malicious code. AI Chat is an online platform that lets you chat with multiple AI models like ChatGPT, Gemini, DeepSeek and more all in one place. Follow these steps to chat with ChatGPT, Gemini, DeepSeek and more online. AI Chat also supports brainstorming, idea generation, and problem solving, making it a versatile AI assistant for everyday needs. It offers free online access, unlimited conversations, and instant answers, helping students, creators, and professionals complete tasks efficiently.