GPT-4: what it is, how it works, how to use it, what you can do with this artificial intelligence language model

April 12, 2023

When we had not yet recovered from the technological advance that the third generation of GPT represented, its fourth version arrives. Follow us to discover what it consists of, how you can use it and what are the new features it brings compared to its predecessor.

What is GPT?

GPT stands for Generative Pre-Trained Transformer. It is, therefore, a language model generated by artificial intelligence. Said system acts as the “brain” of ChatGPT: the interface in chat format that is capable of maintaining conversations with humans.

Beyond limiting itself to conversing with users, this AI is capable of fulfilling a wide variety of requests, some of the most striking being:

  • Create summaries
  • Write texts and poems
  • Explain concepts
  • Program
  • Translate and optimize texts

This language model has been created by the OpenAI company, which has been working on it since 2018. Its popularity skyrocketed from November 2022 thanks to the launch of its chatbot format.

This is how GPT works

Like other neural networks created to process natural language, GPT is trained with vast amounts of data pulled from the Internet. In addition, the system is provided with algorithms that allow it to understand what we say to it, so that it can generate natural responses.

The operation of this model could not be understood without the Transformer architecture : a processing technique that Google presented in 2017. It uses a layer system that transforms each word into numeric vectors so that the neural network can process them mathematically. Added to them is the structural use of Azure: the computer network developed by Microsoft.

GPT-3: The predecessor of GPT-4

Since developing its innovative technology, OpenAI has been releasing new versions of its original model. In fact, each of them is more precise and complete than the previous one. Thus, GPT-3 (officially launched on May 28, 2020) is the immediate predecessor of GPT-4.

This new version was a revolution in the world of natural language processing (NLP) systems, surpassing Microsoft’s Turing NLG by 10 times. However, its own creators recognize that it is subject to certain limitations since its knowledge does not go beyond 2021 and it can generate incorrect information.

Sources used by GPT-3 include: Common Crawl, WebText2, Books1 and Wikipedia. Not surprisingly, this system was intensively trained with hundreds of billions of words, and is also capable of coding various programming languages (such as CSS and Python).

GPT-4: What’s new

As of this writing, GPT-4 is the latest version of OpenAI’s conversational intelligence. It was released on March 14, 2023 and surpasses the third generation in several aspects (greater creativity, advanced reasoning, ability to solve complex instructions, etc.).

Here are some examples of what it is capable of:

  • Listen to conversations, understand them and extract valuable information from them.
  • Create summaries of email threads.
  • Generate responses with the length and style you want.
  • Create a briefing based on the ideas shared in the meeting.
  • Create PowerPoint presentations by integrating with DALL-E.
  • Design websites from images (eg: sketches).
  • Develop software.
  • Understand videos and images.
  • Program games and create algorithms that play them to improve themselves.

How can you use GPT?

As you probably already know, you can use GPT-3 for free just by registering on the official OpenAi website. To do this, you only have to provide an email address and a mobile phone number.

And what about GPT-4? Some of its features are freely available in the Bing browser (which uses version 3.5). However, to access its full potential you must use ChatGPT Plus: the paid version that OpenAI offers for a price of $20 per month.

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