Premium users were originally limited in the number of messages they could send to the new model, but OpenAI increased and eventually removed these limits. GPT-4, which was released on March 14, 2023, was made available via API and for premium ChatGPT users. The model can also generate new images based on existing ones provided in the prompt, which can, for example, be used to transform images jinx casino no deposit bonus with specific styles or inpaint areas. 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.

• OpenAI’s outsourcing partner was Sama, a training-data company based in San Francisco, California.
• Initially released as a pilot, group chats will be steadily released globally to all logged-in ChatGPT Free, Go, Plus and Pro users.
• It’s capable of carrying on conversations with human users and generating a wide range of text outputs including recipes, computer code, essays and personal letters.
• You can access ChatGPT from anywhere in the world, without any restrictions, especially in countries ChatGPT is not available (Russia, China, Hong Kong, Iran,…).
• ChatGPT’s reliance on data found online makes it vulnerable to false information, which in turn can impact the veracity of its statements.
• To build a safety system against harmful content (e.g., sexual abuse, violence, racism, sexism), OpenAI used outsourced Kenyan workers earning around $1.32 to $2 per hour to label such content.
• Shortly after the bug was fixed, users could not see their conversation history.

ChatGPT was able in 2023 to provide useful code for solving numerical algorithms in limited cases. It found that 52% of the responses contained inaccuracies and 77% were verbose. Robin Bauwens, an assistant professor at Tilburg University, found that a ChatGPT-generated peer review report on his article mentioned nonexistent studies.

• 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.
• According to OpenAI, it features reduced hallucinations and enhanced pattern recognition, creativity, and user interaction.
• Advanced voice mode enables ChatGPT users to have more natural-sounding conversations when interacting with the chatbot.
• These labels were used to train a model to detect such content in the future.
• 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.
• It also unveiled GPT-4.5, which Altman described on X as “the first model that feels like talking to a thoughtful person.”

Applications

This includes text-to-image models such as Stable Diffusion and large language models such as ChatGPT. In August 2024, the FTC voted unanimously to ban marketers from using fake user reviews created by generative AI chatbots (including ChatGPT) and influencers paying for bots to increase follower counts. 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. 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. A shadow market has emerged for chinese users to get access to foreign software tools.

Frequently Asked Questions (FAQ)

These include, among many others, writing and debugging computer programs, composing music, scripts, fairy tales, and essays, answering questions (sometimes at a level exceeding that of an average human test-taker), and generating business concepts. These labels were used to train a model to detect such content in the future. 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. The service gained 100 million users in two months making it the fastest-growing consumer software application in history.
In one instance, ChatGPT generated a rap in which women and scientists of color were asserted to be inferior to white male scientists. These limitations may be revealed when ChatGPT responds to prompts including descriptors of people. In 2025, OpenAI added several features to make ChatGPT more agentic (capable of autonomously performing longer tasks). 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.
This tool allows a user to customize ChatGPT's behavior for a specific use case. 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. For more common languages, AI translators like ChatGPT did better than Google Translate, while for "niche" languages (Amharic and Tagalog), Google Translate performed better. The languages tested were Polish, French, Korean, Spanish, Arabic, Tagalog, and Amharic. 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.

How does ChatGPT work?

In the case of supervised learning, the trainers acted as both the user and the AI assistant. The fine-tuning process involved supervised learning and reinforcement learning from human feedback (RLHF). It can generate plausible-sounding but incorrect or nonsensical answers known as hallucinations.

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Released by artificial intelligence company OpenAI in 2022, ChatGPT is a chatbot capable of communicating with users in a human-like way. By using a large language model (LLM), which is trained on vast amounts of data from the internet, ChatGPT can answer questions, compose essays, offer advice and write code in a fluent and natural way. 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. Over many iterations of ChatGPT, plus users maintained more access to better models than the free tier provided, and access to additional features like voice mode. However, as a conversational chatbot, ChatGPT is primed to engage in iterative dialogue, allowing users to request further clarification or prompt it to refine its responses as needed.
So far, users can make single-item purchases from domestic sellers on online marketplace Etsy, as well as some merchants on Shopify’s e-commerce platform. OpenAI announced that it is letting users buy goods directly in ChatGPT through a feature called Instant Checkout. OpenAI announced group chats as a ChatGPT feature, allowing users in select regions to collaborate with each other — and with the AI — in a shared conversation for planning, decision-making or working through ideas. In fact, many users have reported instances of GPT-5 making simple mistakes. Despite these clear advances compared to prior models, GPT-5 is still susceptible to the same problems that plagued its predecessors. The release of GPT-5 provides a sizable update to previous models, at least on paper.
ChatGPT (based on GPT-4) was better able to translate Japanese to English when compared to Bing, Bard, and DeepL Translator in 2023. In 2023, OpenAI worked with a team of 40 Icelandic volunteers to fine-tune ChatGPT's Icelandic conversation skills as a part of Iceland's attempts to preserve the Icelandic language. In October 2023, OpenAI's image generation model DALL-E 3 was integrated into ChatGPT Plus and ChatGPT Enterprise. It has an additional feature called "agentic mode" that allows it to take online actions for the user. In March 2025, OpenAI updated ChatGPT to generate images using GPT-4o instead of DALL-E. It allows ChatGPT to search the web in an attempt to make more accurate and up-to-date responses.

The training regimen commences with generalized datasets before transitioning to task-specific information. The transformer mechanism anticipates text progression, whether it's the next word, sentence, or paragraph, drawing from the learned patterns within its training data. GPT-4.1 supports an extended context window of up to 1,047,576 tokens and can generate outputs of up to 32,768 tokens — roughly equivalent to 24,000–26,000 words, depending on the language and formatting. Initially leveraging the GPT-3 large language model, which represents the third generation of Generative Pre-trained Transformer, ChatGPT utilizes a neural network machine learning architecture. GPT-5 is a powerful model for coding, reasoning, and agentic tasks across domains. GPT-5 is the latest reasoning model from OpenAI, released in August 2025.

How are people using ChatGPT?

The chatbot has also been criticized for its limitations and potential for unethical use. The developer, OpenAI, indicated that the app’s privacy practices may include handling of data as described below. Settle a dinner table debate, or practice a new language. The developer has not yet indicated which accessibility features this app supports. Privacy practices may vary, for example, based on the features you use or your age. The developer, Google, indicated that the app’s privacy practices may include handling of data as described below.