ChatGPT vs GPT-4: What are the differences?

ChatGPT and GPT-4 are not the same. GPT-4 is the latest transformer language model released by OpenAI, while ChatGPT is a model based on GPT-3.5 and GPT-4. ChatGPT has been specifically trained to engage in conversations with people. Here, we will compare ChatGPT vs GPT-4 specifying their differences.

ChatGPT and GPT-4 are often confused with each other. By explaining the distinctions between them, we aim to provide you with a detailed understanding of the topic.

ChatGPT and GPT-4 Comparison in Summary

  • ChatGPT stands for Chat Generative Pre-Transformer, while GPT-4 stands for Generator Pre-Transformer-4, indicating that it is the fourth model in the series.
  • ChatGPT was released on November 30, 2022, while GPT-4 was announced on March 14, 2023.
  • ChatGPT is built on the GPT-3.5 model and is trained to engage in interactive dialogues with humans, creating a sense of conversational interaction. On the other hand, GPT-4 is not specialized solely in dialogue with humans but is a more versatile Transformer language model with a broader range of applications.
  • After the announcement of GPT-4, OpenAI introduced the option for ChatGPT Plus subscribers to call the GPT-4 model with certain restrictions. Standard ChatGPT users can only continue to use the GPT-3.5 model.
  • You can access ChatGPT by creating an account at To use GPT-4, there are two options available. You can either make API calls as a token holder to utilize the GPT-4 model programmatically or access GPT-4 through ChatGPT as a ChatGPT Plus subscriber.
  • ChatGPT has both a free standard model and a $20 ChatGPT Plus subscription model. The standard model is completely free to use. To access GPT-4, you need to purchase tokens or become a ChatGPT Plus subscriber.
  • Unlike other language models, GPT-4 has the ability to take image inputs. OpenAI also announced that ChatGPT will have the capability to take image inputs.
  • Both ChatGPT and GPT-4 models have a character limit, which is implemented on a token basis. GPT-4 has a capacity of approximately 25,000 characters, while ChatGPT is limited to a maximum of 4,096 characters.
  • Think of ChatGPT as a computer, and the GPT-4 models are like processors within that computer. They are not directly comparable as they belong to different categories, but they work together in the context of language generation.

ChatGPT and GPT-4: Comparison of Usage

To use ChatGPT, the process is quite simple. Visit address and either create a new account or log in to your existing one.

Once logged in, you can start using ChatGPT completely free of charge. However, if you prefer, you can upgrade your account to a paid version called ChatGPT Plus for $20 per month.

Also Read: All you need to know about ChatGPT

On the other hand, there are two different ways to use GPT-4. The first method is by calling the GPT-4 API provided by OpenAI. This requires programming knowledge, and you can utilize any programming language of your choice to make API calls and use the GPT-4 model. Learn how to use GPT-4 API and incorporate it into your code.

The second way to use GPT-4 is through ChatGPT itself. As a ChatGPT Plus subscriber, within certain usage limits, you have the privilege of accessing the GPT-4 model through ChatGPT. Learn how to use GPT-4 model through ChatGPT as a ChatGPT Plus member.

ChatGPT and GPT-4: Comparison of Pricing

Using the standard ChatGPT is completely free. However, the ChatGPT Plus membership, which offers privileged features, requires a monthly payment of $20.

To use GPT-4, if you want to use it through ChatGPT, you need to be a ChatGPT Plus member and pay a monthly fee of $20. However, if you wish to call and use the GPT-4 API, you will need to pay per token. The cost is about $0.03 per 1,000 prompt tokens. Learn more about the pricing policy of OpenAI’s GPT models.

ChatGPT and GPT-4: Comparison of Capabilities

GPT-4 is the latest and most advanced language model developed by OpenAI. It has been trained with the highest number of parameters, which gives it a greater level of creativity and reasoning abilities. However, compared to the standard GPT-3.5 model used by ChatGPT, GPT-4 runs 1.7 times slower.

Also Read: GPT-4 vs GPT-3 A Detailed Comparison

Additionally, GPT-4 performs very well in languages other than English due to its extensive training with a larger number of parameters. Its ability in languages other than English is significantly higher than the standard GPT-3.5 model.

OpenAI’s GPT models can sometimes generate hallucinations or provide incorrect information. Therefore, not everything said by both ChatGPT and GPT-4 will be true. However, GPT-4 is less prone to errors and hallucinatory responses than previous models.

Also Read: How reliable is ChatGPT?

GPT-4 demonstrates exceptional problem-solving skills and achieves greater accuracy, thanks to its extensive general knowledge and advanced reasoning capabilities. It surpasses ChatGPT in terms of its ability to reason effectively.

Also Read: What are the GPT-4’s Exam Scores

Furthermore, GPT-4 consistently outperforms ChatGPT in various evaluations, scoring in higher approximate percentiles compared to ChatGPT. In OpenAI’s internal evaluations, GPT-4 shows an 82% reduction in responding to disallowed content requests and a 40% increase in producing factual responses compared to GPT-3.5, which serves as a default model for ChatGPT.

ChatGPT and GPT-4: Comparison of Image Interpretation

GPT-4 differs from previous GPT models in that it possesses the capability of being a multimodal language model. This means that it not only understands text inputs but also accepts images as input parameters.

Learn More: How to use GPT-4 with image input?

OpenAI has indicated that the image input feature, in conjunction with GPT-4, will be integrated into ChatGPT. This implies that Plus subscribers will soon be able to provide image inputs to ChatGPT.

Learn More: How to use ChatGPT with image input?

ChatGPT and GPT-4: Comparison of Character Limits

Both ChatGPT and GPT-4 have limitations on the number of characters they can process. You cannot send an input parameter of infinite length or expect an output parameter or response of infinite length from these models.

However, GPT-4 has a higher character limit compared to ChatGPT. ChatGPT can approximately understand and process up to 4,096 characters, while GPT-4 model itself can handle character limits up to 25,000 characters.

Bottom Line: Comparison of ChatGPT vs GPT-4

ChatGPT and GPT-4 are not in the same category. We should be aware of this distinction when comparing these two models and evaluate them accordingly. ChatGPT is like a computer, while GPT-4 serves as the central processor of that computer.

ChatGPT is specifically trained for engaging in interactive dialogues with humans, utilizing the underlying GPT 3.5 model as its standard. However, with the release of GPT-4, ChatGPT Plus members also have access to the GPT-4 model.

On the other hand, GPT-4 is the latest and most advanced version of OpenAI’s generative pre-transformer models. It has been trained with a significantly larger number of parameters compared to other language models. It possesses higher reasoning abilities and creativity.

Unlike other language models, GPT-4 can accept image inputs as parameters and understand them. If you want to use GPT-4 model outside of ChatGPT, you must call its API. This requires some programming knowledge.

That is the comparison of ChatGPT vs GPT-4 model. We hope it helps you understand the differences between two.