What Is ChatGPT? Everything You Need to Know About the AI Chatbot

The full capabilities of ChatGPT are still being explored by its millions of users. Its remit can be summarized as language-based tasks, whether that language is English, foreign or computer code. I’ve covered the models and modes above, but here’s a reminder of all the core features (as of October 2025).

Select a mode for your prompt

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• Hitting the ‘Reason’ button on a query gives you limited access to the ChatGPT o1 model.

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• It can generate plausible-sounding but incorrect or nonsensical answers known as hallucinations.

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• GPT-5 was launched on August 7, 2025, and is publicly accessible through ChatGPT, Microsoft Copilot, and via OpenAI’s API.

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• The company announced a slew of generative AI-powered features to counter OpenAI and Microsoft.

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• OpenAI has attempted to address these issues with enhanced data protection measures.
• These limitations may be revealed when ChatGPT responds to prompts including descriptors of people.

That’s one reason why it sometimes «hallucinates» or generates confident-sounding but incorrect information. It was trained on massive amounts of data from books and the internet — websites, Wikipedia, Reddit threads, news sites and much, much more. Released in February 2025, GPT-4.5 was described by Altman as NYXBets casino a «giant, expensive model». In March 2023, a bug allowed some users to see the titles of other users’ conversations. OpenAI CEO Sam Altman said that users were unable to see the contents of the conversations. ChatGPT’s training data only covers a period up to the cut-off date, so it lacks knowledge of recent events.

• ChatGPT faces ongoing legal challenges related to industry concerns regarding the ethics and the legality of data sourcing for AI training.

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• Users interact with ChatGPT through conversations which consist of text, audio, and image inputs and outputs.

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• The AI chatbot tries its best to avoid explicit, violent or discriminatory content.

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• This is used to not only help the model determine the best output, but it also helps improve the training process, enabling it to answer questions more effectively.

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• In 2025, OpenAI added several features to make ChatGPT more agentic (capable of autonomously performing longer tasks).

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• This often leads to what experts call “hallucinations,” where the output generated is stylistically correct, but factually wrong.

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GPT-4o

OpenAI has already gotten a glimpse of this future through its o1 model, and the results have been mixed. This update allows ChatGPT to remember details from previous conversations and tailor its future responses accordingly. According to an OpenAI blog post, ChatGPT will build memories on its own over time, though users can also prompt the bot to remember specific details — or forget them. OpenAI initially releases this feature to users who pay for the Plus, Team or Enterprise plan. The feature is also still exclusive to ChatGPT users who have a Plus, Team, Enterprise or Education plan. OpenAI announced the addition of product recommendations on ChatGPT when users implied shopping intent in their queries.

Can I make images with ChatGPT?

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• If you prefer to keep using Dall-E 3 (its first image generator), you can still access it through the Dall-E GPT.
• According to an OpenAI blog post, ChatGPT will build memories on its own over time, though users can also prompt the bot to remember specific details — or forget them.

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• ChatGPT became one of the fastest-growing apps in history, amassing hundreds of millions of users.

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• There’s even a Projects feature that keeps all your chats organized, plus a Library to manage all your generated images.

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• It was trained on massive amounts of data from books and the internet — websites, Wikipedia, Reddit threads, news sites and much, much more.

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• OpenAI supports limited, no-login access in many regions, so you can try ChatGPT instantly.

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They can also use ChatGPT search to access results informed by real-time data from the web. Hitting the ‘Reason’ button on a query gives you limited access to the ChatGPT o1 model. With more than 400 million monthly users, ChatGPT is the most popular of all AI chatbots. ChatGPT is an artificial intelligence chatbot capable of having conversations with people and generating unique, human-like text responses. GPT-4o is the most advanced version accessible to everyone, handling text, images and audio as input and output. Despite this, users may «jailbreak» ChatGPT with prompt engineering techniques to bypass these restrictions.

Utiliser ChatGPT pour les tâches de travail quotidiennes (réunions, notes, priorités)

It can generate plausible-sounding but incorrect or nonsensical answers known as hallucinations. The chatbot can facilitate academic dishonesty, generate misinformation, and create malicious code. The ethics of its development, particularly the use of copyrighted content as training data, have also drawn controversy. ChatGPT is a generative artificial intelligence chatbot developed by OpenAI and released in November 2022.