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GPT-4 (Generative Pre trained Transformer) is the fourth version of the GPT family of natural language processing models developed by OpenAI, which relies on powerful ...


GPT-4 (Generative Pre trained Transformer) is the fourth version of the GPT family of natural language processing models developed by OpenAI, which relies on powerful neural networks to understand and generate language similar to humans.
How to use GPT-4 for free? Six ways to not open a membership
At present, the official version of GPT-4 can only be used by paying members through ChatGPT Plus. The free version of ChatGPT cannot use the latest GPT-4, while the Plus version requires a monthly subscription fee of $20, and domestic payments are very difficult
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GPT-4 helps software understand the meaning of words and their combination in sentences by using a special architecture called a Transformer. Simply put, Transformer helps computers figure out how to put all words together in the correct order to make them meaningful.
The reason for adopting this approach is that the model has already been trained on a large dataset, which includes text from different sources such as books, articles, and websites. This training enables the GPT-4 model to engage in human like conversations and generate seemingly meaningful responses. However, although the text and responses created by GPT-4 read like humans, it is far from conscious intelligence and is still far from universal artificial intelligence.
Working principle of GPT-4
GPT-4 works through the same basic process as its predecessor (GPT-3.5), but on a larger scale. The following are its main working principles:
Transformer architecture: GPT-4 is built using a design called “Transformer”, which is like a super intelligent machine that can understand which words are important in a sentence and their relationships.
Large scale pre training: GPT-4 learns from a large amount of text, such as books, websites, and articles, so that it can better understand language patterns, grammar, and facts.
Fine tuning: After learning from a large amount of text, GPT-4 will receive training in specific tasks, such as answering questions or understanding emotions in the text, which helps it become better at handling these tasks.
Tokenization: GPT-4 breaks down text into smaller parts called “tokens”, which can be words or parts of a word, helping it handle different languages and understand the meaning of words.
Context window: GPT-4 has a limitation on how many tokens it can view at once. This limitation helps it understand the relationship between context and words, but it also means that it may not be able to comprehend very long sentences or paragraphs.
Probability distribution and sampling: When GPT-4 generates text, it guesses the next word based on the model’s perception of the likelihood of each word. Then, it selects a word from these guesses to create diverse and interesting sentences.
Fine grained control: GPT-4 can guide it to provide specific types of answers or text by using techniques such as special prompts or adjusting its settings, to help us obtain the desired results from the model.
The difference between ChatGPT and GPT-4
ChatGPT and GPT-4 are not the same thing. ChatGPT is based on the GPT-3.5 and GPT-4 models, specifically designed for conversational artificial intelligence applications, such as generating text replies similar to humans based on user input.
GPT-4 refers to the current version of the GPT series of large language models – the engine that drives ChatGPT.
The output provided by ChatGPT reads more naturally, while GPT-4 is more powerful and can handle more text in terms of input/output.
Can GPT-4 be accessed for free?
The answer to this question is either yes or no.
Users can access GPT-4 through software such as ChatGPT and New Bing, which use GPT-4 to generate content and interact with users. However, GPT-4 can only be used under the ChatGPT Plus paid program or as an API for developers to build applications and services. New Bing can use GPT-4 driven AI chats for a limited number of free times per day, while independent users do not have the opportunity to use GPT-4 outside of these artificial intelligence chatbot platforms.

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