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It was capable of autonomously performing tasks through web browser interactions, including filling forms, placing online orders, scheduling appointments, and other browser-based tasks. The model can also generate new images based on existing ones provided in the prompt. One of the most significant improvements was in the generation of text within images, which is especially useful for branded content.

Despite decades of using AI, Wall Street professionals report that consistently beating the market with AI, including recent large language models, is challenging due to limited and noisy financial data. ChatGPT users can opt-out of their chat data being used to train upcoming models. Large language models are trained on all the data which can be scraped from the Internet, often utilizing copyrighted material. 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.

Students have generally reported positive perceptions, but specific views from educators and students vary widely. When compared to similar chatbots at the time, the GPT-4 version of ChatGPT was the most accurate at coding. As of July 2025, Science expects authors to release in full how AI-generated content is used and made in their work. In January 2023, Science banned chatbot-generated text in all its journals.

• 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.
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Workspace access, policy, and models

OpenAI withdrew one ChatGPT update in 2025 due to heightened concern about it affirming users’ doubts and encouraging impulsive behavior. ChatGPT is a chatbot assistant based on large language model (LLM) technology. As a new WordPress user, you should go to your dashboard to delete this page and create new pages for your content.

ChatGPT Health

In November 2023, OpenAI released GPT Builder, a tool allowing users to customize ChatGPT’s behavior for a specific use case. GPT-based moderation classifiers are used to reduce the risk of harmful outputs being presented to users. An optional “Memory” feature allows users to tell ChatGPT to memorize specific 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. 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. In January 2026, Marcel Bucher reported in Nature losing all his ChatGPT history after turning off data consent.

GPTs and plugins

A February 2023 study in PLOS Digital Health found that ChatGPT 3.5 was capable of passing the United States Medical Licensing Examination. In medical education, it can explain concepts, generate case scenarios, and be used by students preparing for licensing examinations. Many companies adopted ChatGPT and similar chatbot technologies into their product offers. The Guardian questioned whether any content found on the Internet after ChatGPT’s release “can be truly trusted” and called for government regulation. In June 2023, hundreds of people attended a “ChatGPT-powered church service” at St. Paul’s Church in Fürth, Germany. Between March and April 2023, Il Foglio published one ChatGPT-generated article a day on its website, hosting a special contest for its readers in the process.

Geoffrey Hinton, one of the “fathers of AI”, voiced concerns that future AI systems may surpass human intelligence. In July 2023, the US Federal Trade Commission (FTC) issued a civil investigative demand to OpenAI to investigate whether the company’s data security and privacy practices to develop ChatGPT were unfair or harmed consumers. In June 2025, OpenAI reported increased use of ChatGPT for China-origin influence operations. In late March 2023, the Italian data protection authority banned ChatGPT in Italy and opened an investigation. Their leaders emphasized their earlier caution regarding public deployment was due to the trust the public places in Google Search. It is the most popular AI chatbot as of August 2026, with an estimated 79% of the market share according to StatCounter.

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 non gamstop casinos United Kingdom, Switzerland, or the European Economic Area (EEA), and is available on a waitlist basis everywhere else.

In March 2025, OpenAI updated ChatGPT to generate images using GPT Image instead of DALL-E. In October 2023, OpenAI’s image generation model DALL-E 3 was integrated into ChatGPT. It was initially based on the reasoning model o3 and took from 3 to 30 minutes per report. In 2023, OpenAI worked with a team of 40 Icelandic volunteers to fine-tune ChatGPT’s Icelandic conversation skills as part of Iceland’s attempts to preserve the Icelandic language. It has an additional feature called “agentic mode” that allows it to take online actions for the user.