The interest in artificial intelligence use cases has skyrocketed after the sporadic rise in the popularity of ChatGPT. People have been discussing the new ChatGPT versions, their differences, and their unique functionalities. Interestingly, the use cases of ChatGPT have always been in the news since its launch in November 2022.

Some of the use cases of ChatGPT have provided a new wave of transformation in some industries, especially for automation and content generation. On the other hand, ChatGPT has also garnered attention in the news for the wrong reasons, such as ethical issues and privacy concerns. At the same time, it is also important to look at the possibilities of confusion between ChatGPT and GPT. Therefore, you should develop a detailed understanding of each version of ChatGPT and identify the differences between them. 

What would you gain from learning about the different versions of ChatGPT? ChatGPT arrived in the market with the underlying GPT-3 model. It offers a chatbot-free version accessible to all users. Subsequently, ChatGPT evolved to the GPT-3.5 model, also known as the Legacy model.

Most recently, OpenAI has launched the GPT-4 model, available with the ChatGPT Plus subscription plan. The following post provides a brief overview of the difference between ChatGPT and GPT alongside the different variants of ChatGPT.

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How are ChatGPT and GPT Related to Each Other?

One of the first things you must know before learning about ChatGPT’s latest version is the relationship between ChatGPT and GPT. OpenAI came up with the first GPT or generative pre-trained transformer model in 2018 and introduced other versions subsequently.

It launched GPT-2 in 2019 and GPT-3 in 2020, followed by the latest arrival of GPT-4 in 2023. You can access GPT-2 in the form of open-source software. Furthermore, the newer versions can facilitate accessibility through an API. 

Development of the ChatGPT Models

You can develop a clear impression of the fundamental concepts about the versions of ChatGPT by diving into its working. OpenAI has launched ChatGPT in the form of a customer-facing service towards late 2022. It was able to attract more than 50 million users within a month and crossed over a billion visitors by April 2023. 

The growth of ChatGPT also leads to questions like “What is the latest version of ChatGPT?” as everyone wants to explore the best features of ChatGPT. The first variant of ChatGPT with practical use cases has been developed on the foundations of GPT-3.5. ChatGPT Plus subscribers can access GPT-4 version by using the ChatGPT user interface.

OpenAI has claimed that the Chat API could help write code and emails, create conversational agents and answer document questions. The primary functionalities of GPT include completing the text, creating summaries, generating content and writing code. OpenAI pointed out the necessity of different features in the early days of developing GPT models. 

Every ChatGPT update led to the addition of new parameters. Initially, GPT had around 117 million parameters, while GPT-2 utilized 1.5 billion parameters. Now, the GPT-3 model uses almost 175 billion parameters. How many parameters can you expect in GPT-4? OpenAI has not revealed details about the model feature sizes for GPT-3.5 and GPT-4.

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How is ChatGPT Different from GPT?

The most crucial highlight in discussions about ChatGPT draws references to its similarities with GPT. Interestingly, you can find an explanation for how ChatGPT offers a chatbot-free and premium versions by clearing the confusion between GPT and ChatGPT. From a broader perspective, ChatGPT refers to the integration of chat capabilities in products.

In the case of public-facing communications, OpenAI utilizes the Chat API for offering other services from different platforms, such as Instagram. Industry experts have pointed out how ChatGPT has facilitated integration with Slack to enable easier access to AI at the workplace. Most importantly, the ChatGPT app would blend seamlessly into the natural workflow, providing instant summaries of conversations, support for writing and research tools. 

On the other hand, your search for the latest ChatGPT versions would also guide you to an explanation for GPT. Generative Pre-trained Transformer or GPT is a generic term implemented in the solutions, including AI capabilities. Google was one of the early pioneers in the field of creating generative pre-trained transformers. As of now, Google has come up with different implementations of GPT technology, such as BERT, PaLM and LaMBA. The first ChatGPT competitor by Google, Gemini, has become an important solution for the market after ChatGPT gained unconditional love from users. Microsoft also used the term copilot to imply the integration of GPT code completion features in GitHub, alongside tasks completion to productivity tools.

Technical Differences between ChatGPT and GPT

OpenAI has successfully differentiated ChatGPT from GPT with different views on the differences. As of now, you cannot find a particular ChatGPT model. OpenAI has suggested that GPT-3.5 and GPT-4 models work for powering ChatGPT. However, the description for ChatGPT’s latest version shows that GPT-4 offers different service categories. For example, you can find Chat, InstructGPT, image, audio, and embedding models. It is practically impossible to pinpoint the differences between the GPT models introduced by OpenAI.

The majority of companies are interested in fine-tuning GPT-3 models. However, developers could also personalize the GPT-3.5 and GPT-4 models to ensure more efficient operations on their own data. Fine-tuning focuses on submitting collections of questions and answers to improve the accuracy of questions. 

The technical differences between the new ChatGPT update and the older versions also suggest that new models could have the capability to understand and answer questions about current events. For example, Codex is a special AI model by OpenAI, which has been trained with different code samples.

Another notable difference in the answers for “What is the latest version of ChatGPT?” would refer to the introduction of a new API query method for ChatGPT-supported models. The query method is ChatML, where messages feature a header, including the source of every string and its contents. On the contrary, older APIs involve the app sending text string to the API, which allows malicious agents to send queries that could result in attacks.

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What Do You Find in the Differences of Pricing in ChatGPT Versions?

The progression of versions in ChatGPT revolves around introducing new variations or improvements in the GPT models. You can find two distinct pricing tiers, such as paid version and free version. 

The paid version would cost around $20 each month. Users can move over to the chatbot free version in ChatGPT and choose the premium subscription to gain access to better features. At the same time, it is also important to remember the cost-effectiveness of the existing GPT model used for beginners. The existing GPT-3.5 model costs around $0.002 for a thousand tokens or almost 750 words. On the other side, GPT-4 imposes different pricing for prompts as well as completions.

OpenAI also draws attention towards fine-tuning models for businesses with a higher pricing tier for users. The Davinci model would cost almost $0.03 for a thousand tokens applicable in training compared to GPT-4. Currently, the only cost-effective option compared to GPT-3.5 is Ada, which is also the fastest AI model. 

Unraveling the Core Element behind ChatGPT and New Versions

The differences between ChatGPT and GPT models show that GPT is the core element underlying the working of ChatGPT. Your search for information about the latest ChatGPT versions can lead you to inferences from a comparison among the variants. It is important to remember that ChatGPT has been through some major modifications over the course of time.

The new variants of GPT introduced new functionalities in ChatGPT. The large language model by OpenAI utilizes the GPT-3.5 and the GPT-4 language models, with paid and free versions available. In the case of the chatbot-free version, you can use a maximum of 100 prompts. On the other hand, the premium version offers access to unlimited prompts.

The hype around ChatGPT and its new versions can be quite confusing for many experts however, once you know how GPT serves as the operating system of the machine of ChatGPT. The updates in the operating system would reflect the improvements introduced for the performance of the machine. Therefore, every new ChatGPT update is an improvement over the previous GPT model.

You can learn more about the important components of GPT and how it works to understand its impact on ChatGPT variations. The important features of GPT are Generative, Pre-trained and Transformer models in the AI language model. Here is a review of what you can find in new ChatGPT versions.

  • Generative 

The GPT models could generate new content according to the context and patterns it learns from training data. As a result, the models could generate human-like text which maintains coherence and contextual relevance. 

  • Pre-training

The pre-training of GPT models also ensures that new variations after the chatbot-free version would offer additional functionalities. GPT models use pre-training on significant volumes of text data from different sources, thereby learning different types of language patterns, context, facts and syntax. It is also important to note that the pre-training process strengthens the roots of GPT models for generating high-quality material.

  • Transformer 

The GPT models also use the transformer architecture, which you can learn about in detail in the working of ChatGPT. Transformer architecture refers to a neural network model for natural language processing cases. The transformer architecture utilizes parallel processing and self-attention mechanisms to achieve natural language processing efficiency.     

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Overview of Important Versions of ChatGPT         

The review of the different aspects of the distinction between ChatGPT and GPT shows that both terms have equal significance. OpenAI has used GPT for creating ChatGPT and introduced new developments by improving the GPT models. You can find answers to “What is the latest version of ChatGPT?” by reflecting on the different notable models. Here is an overview of the different versions of ChatGPT and how they are different from one another.

  • Legacy ChatGPT 3.5

The original GPT model on which ChatGPT built its foundations is the Legacy ChatGPT 3.5. It is the first ChatGPT version that utilized the GPT-3.5 language model and underwent training on a massive dataset, including code and text. Legacy ChatGPT 3.5 also serves as a strong chatbot for generating text and translating languages. It can help in writing different types of creative content and provide well-informed answers to multiple queries. Therefore, the Legacy ChatGPT version could be slow due to the generation of large amounts of text.

  • ChatGPT 3.5 Default 

The next important addition among the ChatGPT versions would draw attention towards ChatGPT 3.5 Default. It is one of the most recent entries among variants of ChatGPT. As the name implies, it utilizes the GPT-3.5 model and offers better accuracy, albeit with lesser precision.

  • ChatGPT 4

ChatGPT-4 has been introduced with the ChatGPT Plus subscription plan, and this model has evolved as a popular and advanced language model. GPT-4 ensures better speed than the previous versions of ChatGPT. On top of it, GPT-4 also guarantees better accuracy than GPT-3.5 and GPT-4. As of now, the functionalities of ChatGPT based on GPT-4 are not available for free.

  • ChatGPT-4o

The search for ChatGPT’s latest version on the internet right now would guide you towards the GPT-4o model. The “o” in GPT-4o stands for “Omni” which represents the model’s capability to accept various forms of inputs including text, image, audio, and video. GPT-4o excels particularly in processing visual and auditory information, surpassing the capabilities of other existing models. OpenAI announced that this latest version of ChatGPT will also feature enhanced memory capabilities, enabling it to learn from past interactions with users, thereby improving its conversational abilities.

  • ChatGPT 4o Mini

The latest addition to the ChatGPT lineup is the ChatGPT 4o Mini. It is designed to provide a cost-effective and efficient alternative to the larger GPT-4o model. This version is particularly notable for its affordability and versatility. With a performance score of 82% on the MMLU benchmark, ChatGPT 4o Mini outperforms many of its predecessors in both textual and multimodal reasoning tasks​. This compact version of ChatGPT can be used for various applications such as real-time customer support, data extraction, and complex task automation​. ChatGPT 4o Mini is available to Free, Plus, and Team users.

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Final Words 

The different ChatGPT versions released now provide a clear explanation of how the tool will grow in future. As of now, the focus of OpenAI revolves around increasing awareness of artificial intelligence language models like ChatGPT. How can people use AI language models to their advantage? What are the potential use cases for the improvements in GPT models?

The developments over the chatbot free version with new GPT models have set benchmarks for many other solutions. It is also important to reflect on the element of accuracy and precision, which improves with every new GPT model. Learn more about the fundamental concepts of ChatGPT and how it works before exploring the functionalities of ChatGPT now.

About Author

James Mitchell is a seasoned technology writer and industry expert with a passion for exploring the latest advancements in artificial intelligence, machine learning, and emerging technologies. With a knack for simplifying complex concepts, James brings a wealth of knowledge and insight to his articles, helping readers stay informed and inspired in the ever-evolving world of tech.