How to Use Every Major ChatGPT Feature in 2025

TL;DR

Create a free account at chatgpt.com to retain chat history and access more options, then use clear prompts with context, a specific task, and constraints. ChatGPT can hold text and voice conversations, analyze uploaded documents and images, generate or edit images, save selected information through memory, revisit previous chats, follow custom instructions, and retrieve current information through web browsing.

Transcript

Chat GPT came out back in November of 2022 and it's gone through so many changes over the years. So, in this one video, I wanted to show you every single feature that ChatgPT has so you could get the most out of it. Let's jump in. This video is brought to you by HubSpot. More on that in a bit. So, you could use ChatgPT at chatgpt.com and you could ... Read More

Key Insights

• A free ChatGPT account is more functional than using ChatGPT while logged out because it provides chat history and additional account options. The service is available at chatgpt.com and through mobile apps for iOS and Android, along with desktop apps for Mac and PC.
• The demonstrated free ChatGPT plan is powered by GPT-4o Mini, which the description characterizes as a fast and efficient model handling text, images, and audio. A ChatGPT Plus subscription costs $20 per month and unlocks other models and additional capabilities.
• The prompt box is where users submit questions or requests, and every instruction entered there is called a prompt. Follow-up prompts can refine an existing response, such as converting a long explanation into three bullet points, without requiring the user to restart the conversation.
• File uploads let users bring documents into a conversation from a computer, Google Drive, or Microsoft OneDrive. Supported examples include Word documents and PDFs, and users can upload 10 documents at the same time before asking ChatGPT to summarize, compare, or otherwise analyze their contents.
• Vision mode works by accepting an uploaded image and interpreting what appears within it. The demonstrated use identifies and explains a historical timeline chart, while the presenter states that the feature can also work with graphs, numbers, and other kinds of images.
• Voice features support both dictated prompts and spoken conversations. Dictation converts microphone input into text that can be submitted as a prompt, while voice mode provides spoken responses and records the back-and-forth conversation in text so the user can review it later.
• Image generation begins with a prompt that describes the desired visual in as much detail as possible. Users can download generated results, upload an existing photograph for modification, and provide follow-up instructions that change elements such as advertising text, logos, or the background.
• Long-term memory stores selected information beyond a single conversation when saved memories are enabled in personalization settings. Users can explicitly ask ChatGPT to remember a detail, inspect stored information through memory management, and distinguish those saved details from the temporary context maintained within one chat.

Questions & Answers

Q: How do you start using ChatGPT with its account features?

Go to chatgpt.com and create a free account, or use the available mobile apps for iOS and Android or desktop apps for Mac and PC. Logging in is important because using ChatGPT without an account removes access to features demonstrated in the presentation, including chat history and some account options. The free account can then be used for prompts, uploads, image analysis, voice, and other supported functions.

Q: What is the difference between free ChatGPT and ChatGPT Plus?

The free version demonstrated in the presentation uses GPT-4o Mini and already supports useful work with text, files, images, voice, and image generation. ChatGPT Plus costs $20 per month and unlocks other, smarter models and additional functionality. The presenter also says paid vision analysis is more in-depth, image generation is less restricted, and certain expanded memory capabilities become available with paid plans.

Q: How do you write a better prompt for ChatGPT?

A better prompt starts with relevant context, clearly identifies the task, and finishes with important details or constraints. For example, explain who an email is for and why it is being written, request the exact output such as a two-paragraph introduction, and specify the tone, style, length, or format. This structure gives ChatGPT enough direction to produce a more suitable first response.

Q: How can ChatGPT analyze uploaded documents?

Select the plus option in the prompt area, then upload a document from the computer or connect a file through Google Drive or Microsoft OneDrive. The demonstrated examples include Word documents and PDFs. After attaching the material, submit a request such as recapping it in one paragraph. ChatGPT can receive 10 documents at the same time and analyze them through initial and follow-up prompts.

Q: What can ChatGPT vision mode do with an image?

Vision mode can inspect an uploaded image and explain what it contains. In the demonstration, ChatGPT identifies an unfamiliar picture as a historical timeline chart and describes its purpose as showing the growth of civilizations and empires over time. The presenter says the same feature can analyze graphs, numbers, and essentially any type of image, with more in-depth analysis available through the paid version.

Q: How do ChatGPT voice input and voice mode work?

Voice input provides two related options in the prompt box. Dictation requests microphone access, listens to the user, and converts speech into written prompt text that can be checked and submitted. Voice mode supports a spoken back-and-forth conversation in which ChatGPT reads responses aloud. The conversation is also transcribed into text, allowing the user to return to and review what was discussed.

Q: How can you generate or edit images in ChatGPT?

Ask ChatGPT to create an image, then describe the desired subject and visual details as precisely as possible. The generated result can be saved directly to the computer. To edit an existing image, upload it through the plus option and add a follow-up instruction describing the changes. The demonstration transforms an iPhone photograph into an Instagram advertisement with specified text, a logo, and a more technical background.

Q: How does long-term memory differ from chat context?

Chat context is the information ChatGPT retains within one active text conversation, up to a certain point. Long-term memory stores selected information for use across conversations when saved memories are enabled under personalization settings. A user can explicitly ask ChatGPT to remember a detail, confirm that it was saved, and review stored items through Manage Memory. The paid plans also offer an option to reference previous chats.

Summary & Key Takeaways

• ChatGPT is available through chatgpt.com, mobile apps for iOS and Android, and desktop apps for Mac and PC. A free account provides more functionality than using the service while logged out, including saved chat history. The demonstrated free plan uses GPT-4o Mini, while the $20 monthly Plus plan unlocks additional models and capabilities.

• The prompt box accepts questions and instructions, while follow-up prompts let users refine earlier responses without beginning again. Effective prompts provide relevant context, state the requested task clearly, and specify constraints such as tone, length, style, or format. This structure improves the likelihood of receiving a useful response on the first attempt.

• ChatGPT supports documents, PDFs, images, voice conversations, image generation, memory, and chat history. Users can upload as many as 10 documents together for analysis, inspect charts or other images through vision mode, create and modify images, save personal details to long-term memory, search conversations, set custom instructions, and browse for current information.