ChatGPT

Presentation

Faced with the proliferation of digital uses, the demand for automation, and the increasing complexity of informational tasks, ChatGPT positions itself as a conversational agent based on artificial intelligence. Designed by OpenAI, it is built on a series of language models called GPT (Generative Pre-trained Transformer), trained on vast sets of textual data. The chatbot has versatile functions and can assist users with all kinds of daily tasks such as generating text, answering questions, suggesting ideas, or structuring content, depending on the instructions. The interface appears as a text box in which a query is entered. The tool then interprets the request and generates a response in natural language, relying on its internal training data and, in some cases, on information from the web by activating the web function. The models used vary according to the versions. The free version, currently based on GPT-4o-mini, offers access at no cost, but with limits on the number of daily queries. It succeeds the GPT-3.5 model, which is now obsolete on the platform. For users subscribed to ChatGPT Plus, access is extended to more powerful models such as GPT-4o, GPT-4.1, o4 mini, or o3. These models include additional features, such as real-time voice assistance, long conversational memory, and the ability to handle visual or multimodal queries. Image generation, made possible through the integration of DALL-E 3, is also among the options available in the paid version. The distinction between the different versions is not always obvious. 4o-mini, for example, is offered for free but often provides less relevant and more repetitive responses, while GPT-4.1 remains reserved for Plus and Pro subscribers. The choice of model therefore depends on the intended use, frequency of use, and required resources. ChatGPT can be used on a web browser, via mobile applications (iOS, Android, macOS), or integrated into third-party environments (cars, professional software). It is also possible to create personalized assistants, called GPTs, from the interface. These specific versions can meet targeted needs, although certain limitations apply depending on the type of account.

ChatGPT Features

• Answer general or specific questions
• Summarizing texts
• Generate written content (letters, résumés, recipes, etc.)
• Write and analyze computer code
• Translate languages
• Analyze data from attached files
• Browsing the Internet (depending on the version used)
• Use voice recognition for queries
• Customize responses based on the user's history
• Generate personalized plans (meals, career, travel, etc.)

Our AI Expert's Take

ChatGPT, developed by OpenAI, has established itself today as a leading conversational artificial intelligence tool. Its simple and streamlined interface makes it an easy-to-use virtual assistant, even for users who are not very familiar with this type of technology. It covers a wide range of tasks: content writing, programming assistance, text summaries, rephrasing, spell checking, and even idea generation. One of its strengths lies in the relevance of its responses, particularly with the GPT-4o version. The overall writing quality is good, but marred by language tics and repeated sentence structures ("patterns") that become annoying with frequent use. This flaw (common to many NLP models) makes its output easily identifiable by AI detectors, and thus limits their use in demanding academic or professional contexts. As for limitations, the free version, based on GPT-4o Mini, remains very limited and insufficient for regular professional use. It is better suited for occasional use, such as spell checking or quick answers. The paid version, on the other hand, offers significantly enhanced capabilities. It is also important to remain vigilant regarding the political biases that the AI may reflect, as well as the reliability of certain information, since ChatGPT relies largely on data from the Web. Furthermore, although GPT-4o, 4.1, and even o3 are better at logic than their predecessors, they are still not perfect. The NLP model versions integrated into ChatGPT are often lazy, especially when it comes to developing code: a function in which o4-mini high, and especially o3, excel, but where they have the unfortunate tendency to forget parts of functions along the way... Nevertheless, ChatGPT is a tool that provides valuable daily assistance, but it is not a chatbot to which everything can be delegated indiscriminately. It allows you to save considerable time on many tasks, provided you have at least a basic mastery of the art of prompting, are precise in your requests, and do not believe that ChatGPT is a mind reader.

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