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Using OpenAI’s latest default model for ChatGPT, GPT-4o, as a reference, nonprofit AI research institute Epoch AI found the average ChatGPT query consumes around 0.3 watt-hours. As a result of that roadmap decision, OpenAI no longer plans to release o3 as a standalone model. ChatGPT’s weekly active users increased to 300 million by December 2024 and 400 million by February 2025. It took ChatGPT nine months to increase its weekly active users from 100 million in November 2023 to 200 million in August 2024, but it only took less than six months to double that number once more, according to the report. According to a new report from VC firm Andreessen Horowitz (a16z), OpenAI’s AI chatbot, ChatGPT, experienced solid growth in the second half of 2024. It’s unclear when these agentic tools might launch or which customers will be eligible to buy them.
The Responses API effectively replaces OpenAI’s Assistants API, which the company plans to discontinue in the first half of 2026. The company has mostly concentrated on challenges in rigid, predictable areas such as math and programming. He posted a lengthy sample from the model given the prompt “Please write a metafictional literary short story about AI and grief.” OpenAI has not extensively explored the use of AI for writing fiction.
MCP, an open-source standard, helps AI models generate more accurate and suitable responses to specific queries, and lets developers create bidirectional links between data sources and AI applications like chatbots. Researchers at Stanford University have observed that therapy chatbots powered by large language models can sometimes stigmatize people with mental health conditions or respond in ways that are inappropriate or could be harmful. OpenAI has launched a new API feature called Flex processing that allows users to use AI models at a lower cost but with slower response times and occasional resource unavailability. Instead, it should be used as a tool to generate text or complete language-based tasks, and any information provided by the model should be verified with credible sources.” Even answers to questions about computer programming languages, an unlikely source of hallucinations, have proved inaccurate so often that the popular programming question-and-answer site Stack Overflow temporarily banned answers from ChatGPT. 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. In the 2020s, the rapid advancement of deep learning-based generative artificial intelligence models raised questions about the copyright status of AI-generated works, and about whether copyright infringement occurs when such are trained or used.
The developer, OpenAI, indicated that the app’s privacy practices may include handling of data as described below. OpenAI recently released a standalone video app, called Sora 2, which immediately shot to the top of the app store after debuting. It runs on the latest GPT-5 model, has app integrations, and can do web searches and deep research and even complete tasks autonomously for you, and more. The sidebar has all your chats and settings, the chat window is where you type prompts, the model picker controls how fast it responds, and the tools menu lets you upload files or access other modes. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites.

OpenAI promises to make changes to prevent future ChatGPT sycophancy

This move aims to expand OpenAI’s presence in its second-largest market, offering enhanced access to the latest GPT-5 model and additional features.
This week, ChatGPT is on track to reach 700M weekly active users — up from 500M at the end of March and 4× since last year.
ZDNET’s recommendations are based on many hours of testing, research, and comparison shopping.
In October 2025, OpenAI banned accounts suspected to be linked to the Chinese government for violating the company’s national security policy.
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.
Privacy practices may vary based, for example, on the features you use or your age.

While ChatGPT can write workable Python code, it can’t necessarily program an entire app’s worth of code. However, users have noted that there are some character limitations after around 500 words. ChatGPT is AI-powered and utilizes LLM technology to generate text after a prompt.
Personal data has to be accurate,” said Joakim Söderberg, data protection lawyer at Noyb, in a statement. Meta also plans to bolster its presence in India by constructing a large 3GW data center in Jamnagar, Gujarat. Users on ChatGPT’s free tier can now access the new version of Advanced Voice Mode, while paying users will receive answers that are “more direct, engaging, concise, specific, and creative,” a spokesperson from OpenAI told TechCrunch. The update enables real-time conversations, and the AI assistant is said to be more personable and interrupts users less often. OpenAI has updated its AI voice assistant with improved chatting capabilities, according to a video posted on Monday (March 24) to the company’s official media channels. OpenAI also said Mark Chen would step into the expanded role of chief research officer, and Julia Villagra will take on the role of chief people officer.
Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. ZDNET’s recommendations are based on many hours of testing, research, and comparison shopping. When asked if there really was such a Greek myth, ChatGPT apologized and replied that there was no such myth but that it had created a fable based on its understanding of Greek mythology. The model can add two-digit numbers (e.g., 23 + 56) with complete accuracy, but for multiplying two-digit numbers (e.g., 23 × 56), it produces the right answer only about 30 percent of the time. By means of a series of such tests, a computer’s success at “thinking” can be measured by its probability of being misidentified as the human subject.
OpenAI CEO Sam Altman said that users were unable to see the contents of the conversations. The term “hallucination” as applied to LLMs is distinct from its meaning in psychology, and the phenomenon in chatbots is more similar to confabulation or bullshitting. 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.

ChatGPT, OpenAI’s text-generating AI chatbot, has taken the world by storm since its launch in November 2022.
OpenAI collects data from ChatGPT users to further train and fine-tune its services.
When further asked why it made up such a myth instead of simply saying that there was no such myth, it apologized again and said that “as a language model, my main function is to respond to prompts by generating text based on patterns and associations in the data I’ve been trained on.” ChatGPT tends not to say that it does not know an answer to a question but instead produces probable text based on the prompts given to it.
ChatGPT is a generative artificial intelligence chatbot developed by OpenAI.
It will keep some user interactions within ChatGPT, rather than directing people to external websites.
In late March 2023, the Italian data protection authority banned ChatGPT in Italy and opened an investigation.

App Functionality

With new healthcare-focused hires, it aims to simplify access to fragmented medical data — an area where Big Tech has struggled — through its conversational AI approach. OpenAI is exploring the consumer health sector, developing AI tools like personal health assistants and data aggregators, according to a report by Business Insider. OpenAI’s new ChatGPT shopping feature lets users get product recommendations by describing features or sharing photos to find similar items at different prices. The model will roll out to paid ChatGPT users and developers in three versions — Instant, Thinking, and Pro — tailored for everything from everyday tasks to complex reasoning and high-accuracy work. The data underscores OpenAI’s push to win enterprise customers as competition heats up from Google, Anthropic, and open-model rivals, a recurring theme you’ll see in recent updates. OpenAI has updated its guidelines for users under 18 and released new resources for parents to promote safer interactions with ChatGPT.

How does ChatGPT work?

An app for Windows launched on the Microsoft Store on October 15, 2024. According to the company, Plus provided access during peak periods, no downtime, priority access to new features, and faster response speeds. 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. It is designed to generate human-like text and can carry out a wide variety of tasks.

ChatGPT users have generated over 700M images so far

More and more tech companies and search engines are utilizing the chatbot to automate text or quickly answer user questions/concerns. Both the free version of ChatGPT and the paid ChatGPT Plus are regularly updated with new GPT models. ChatGPT is a general-purpose chatbot that uses artificial intelligence to generate text after a user enters a prompt, developed by tech startup OpenAI.

Deep Research

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Paid version

The ethics of its development, particularly the use of copyrighted content as training data, have also drawn controversy. The chatbot can facilitate academic dishonesty, generate misinformation, and create malicious code. The service gained 100 million users in two months, making it the fastest-growing consumer software application in history. It uses generative pre-trained transformers (GPTs), such as GPT-5, to generate text, speech, and images in response to user prompts.
At launch, OpenAI included more foxygold casino than 3 million GPTs created by GPT Builder users in the GPT Store. In January 2024, OpenAI launched the GPT Store, a marketplace for GPTs. 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. However, no machine translation services match human expert performance.
This year alone, the app has generated $1.35 billion, a 673% increase from the same period in 2024, averaging nearly $193 million per month, or 53 times more than its nearest rival, Grok. This move aims to expand OpenAI’s presence in its second-largest market, offering enhanced access to the latest GPT-5 model and additional features. OpenAI, facing a lawsuit from the parents of a 16-year-old who died by suicide, said in its blog that it has implemented new safeguards for ChatGPT, including stronger detection of mental health risks and parental control features.