Technology peripheralsAI[Latest 2025] What is ChatGPT? We explain how to get started for free, the prices, and tips on how to use it!
ChatGPT: A guide to using interactive services using AI
ChatGPT is a service that enables natural interactions, sentence generation, summary, code generation, and more through AI. While it is expected to have a wide range of uses, it is essential to understand basic operation methods, precautions, and problems for effective use. In this article, we will explain how to get the free version, how to get the app, how to use it effectively, the differences between free plans and paid plans, and how to use the business, along with specific examples. This information is useful for beginners of AI. The article is long, so you can directly access the required areas from the table of contents. Bookmarks are also recommended.
table of contents
- What is ChatGPT?
- How to get started and log in to ChatGPT
- How to use the browser version (PC version)
- How to use the smartphone version
- What to do if you can't log in
- How to tell the official website and app
- How to use ChatGPT
- Creating a new chat and using history
- Account Management Function
- Custom Instruction Settings (Character Settings)
- Japanese settings
- Denied addition to learning data (opt-out setting)
- ChatGPT Features
- Writing and summary
- Image generation (DALL-E3, GPT-4o) and Ghibli-style image generation
- Voice input/voice conversation
- programming
- Data analysis and graphing
- Video generation
- ChatGPT pricing structure
- Differences between the free version and the paid version (ChatGPT Plus, Pro)
- Different models
- Commercial use of ChatGPT
- Commercial use and terms of use
- How to use the company
- Tips for using ChatGPT
- Notes on using ChatGPT
- Handling of input data
- Generating misinformation (halcination)
- Risk of copyright infringement
- The history and mechanism of ChatGPT
- ChatGPT update information (updated regularly)
- summary
What is ChatGPT?
This AI chat service developed by OpenAI allows for natural conversations and sentence generation. Based on the large-scale language model GPT (Generative Pre-trained Transformer), it can be used for a variety of purposes, including question answering, summarizing, and writing. It is used in a variety of fields, including education, business, and research.
![[Latest 2025] What is ChatGPT? We explain how to get started for free, the prices, and tips on how to use it!](https://img.php.cn/upload/article/000/000/000/174703788346652.jpg?x-oss-process=image/resize,p_40)
ChatGPT service screen
![[Latest 2025] What is ChatGPT? We explain how to get started for free, the prices, and tips on how to use it!](https://img.php.cn/upload/article/000/000/000/174703788661319.jpg?x-oss-process=image/resize,p_40)
Model selection screen
As of December 2024, OpenAI o1 is now available, and o1-pro is also available on the Pro plan. The Pro plan is expensive, but its performance is incredible. This article also explains the Pro plan.
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How to get started and log in to ChatGPT
Starting with the April 2024 update, the free version is available without logging in. The differences from the paid version will be explained later.
- Browser version: Go to chatgpt.com and sign up or log in.
- Smartphone version: Install the official app from the App Store or Google Play and log in or sign up.
- If you cannot log in: Check your email address, password, network connection, etc.
- How to tell the official website and app: The official website is only available on chatgpt.com. You need to be careful of fake sites and apps.
How to use ChatGPT
Enter the instructions in the input field and send it. You can create a new chat or view past chat history. Account settings allow you to set language settings, custom instruction settings, and reject additions to learning data.
ChatGPT Features
It has a variety of functions, including writing, summarizing, image generation, voice input and conversation, programming, data analysis, graphing, and video generation.
ChatGPT pricing structure
There are free versions and paid versions (Plus, Pro, Team, Enterprise), and features and performance vary. For a detailed comparison, see What is the difference between the free version and the paid version of ChatGPT? We explain the features and examples of use of each model! Please see.
Commercial use of ChatGPT
Commercial use is possible. However, you must follow OpenAI's Terms of Use. For information on how to use the company, see How to use the company using ChatGPT! Please refer to the list of plans, prices, and recommended services .
Tips for using ChatGPT
Effective prompt creation is important. The key is to give specific instructions concisely. For a collection of prompt templates, please refer to ChatGPT's 30 prompt templates [ready to use] .
Notes on using ChatGPT
You need to be aware of the risks of handling confidential and personal information, the generation of misinformation (halcination), and copyright infringement.
The history and mechanism of ChatGPT
It is an interactive AI based on the GPT series. What is the detailed mechanism for ChatGPT? Easy to understand explanation using illustrations! Please see.
ChatGPT update information (updated regularly)
For the latest update information, please refer to ChatGPT update information and latest news .
summary
ChatGPT is a powerful tool, but requires proper use. We hope this article will help you in using ChatGPT.
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