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How does GPT-4 work and how can you start using it in ChatGPT?

OpenAI, the company behind the viral chatbot ChatGPT, has announced the release of GPT-4.

In a blog postthe San Francisco artificial intelligence lab co-founded by Elon Musk and Sam Altman in 2015 said the latest version is “multimodal,” meaning the platform can accept image and text input and broadcast text output.

OpenAI CEO Sam Altman said on Twitter that GPT-4 was the “most capable and tuned” model to date, though “it’s still flawed.”

He added that it is “more creative than previous models, it hallucinates significantly less and it is less biased”.

What is ChatGPT and what are the differences between GPT-3 and GPT-4?

GPT stands for Generative Pre-Trained Transformer, a type of neural network with a large language model (LLM) that can perform various natural language processing tasks, such as answering questions, summarizing text, and even generating lines of code.

Large language models use a technique called deep learning to produce text that looks like it was created by a human being.

ChatGPT is an AI chatbot application that uses the GPT-3 and GPT-4 language models for people to communicate with. If ChatGPT were a car, GPT-3 or GPT-4 would be the engine that powers it.

GPT-3 was first released in 2020 and was trained on an impressive 175 billion parameters, making it the largest neural network produced. GPT-3 has since been refined with the release of the GPT-3.5 series in 2022.

GPT-4 is the successor to GPT-3. Launched on March 14, OpenAI says this latest version can handle up to 25,000 words โ€” about eight times as much as GPT-3 โ€” handle images and handle much more nuanced instructions than GPT-3.5.

How do you access GPT-4?

For those new to ChatGPT, the best way to get started is to visit chat.openai.com. Sign up for a free account that will give you access to GPT-3.

To use GPT-4, users must subscribe to ChatGPT Plus, a $20 monthly subscription, for premium access to the service. At the time of writing, GPT-4 has a limit of 100 messages every four hours.

What new things can you do with GPT-4?

OpenAI says “GPT-4 excels at tasks that require advanced reasoning, complex instructional comprehension and more creativity”.

In just a few hours of its launch, users have reported several creative uses for GPT-4, including:

Describe images and generate recipes

GPT-4’s multimodal feature allows users to upload images, such as a picture of flour, butter, eggs, and milk, and GPT-4 will recommend some tasty treats that can be made with those ingredients. However, this feature does not appear to be available to GPT-4 subscribers of the public yet.

Code video games

Twitter users have also shown how GPT-4 can encode entire video games in their browser in just minutes. Below is an example of how a user recreated the popular game Snake without any knowledge of JavaScript, the popular programming language for building websites.

Create web sites

GPT-4 has also been used to convert a hand-drawn sketch into a functional HTML page, as demonstrated below.

What’s next?

To test GPT-4’s new capabilities, Al Jazeera created a premium account on ChatGPT and asked what it thought of the latest features.

Our question: What’s new in GPT-4?

Looking at his reaction, let’s say that he was not aware of his new features at the time.

(Al Jazeera)

When asked when its training data was last updated, it replied: โ€œMy training data was last updated in September 2021. Consequently, my knowledge and understanding of events, developments and progress are limited to that time frame. I cannot provide information on events or updates that have taken place since then.โ€

CHATGPT training data
(Al Jazeera)

AI chatbots move fast. In February 2023, Google launched its own chatbot, Bardwhich uses a different language model called LaMDA.

Besides Google, tech giants such as Microsoft, Huawei, Alibaba and Baidu are racing to roll out their own versions amid heated competition to dominate this burgeoning AI sector.