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ChatGPT is a conversational generative AI developed by OpenAI and released in November 2022. Engaging in natural dialogue with users, it supports a wide variety of intellectual tasks including drafting text, organizing information, brainstorming ideas, programming, generating images, and analyzing data. Beyond basic conversation, it is capable of advanced reasoning, code generation, image recognition and generation, and natural, real-time voice conversations.
Table of Contents
- 7-1: Key Features of ChatGPT
- 7-2: How to Use ChatGPT
- Common Use Cases and Sample Prompts
- 7-3: Using ChatGPT in the Main Chrome Window
- 7-4: Using ChatGPT in the Chrome Side Panel
- 7-5: Monica: A Chrome Extension for Accessing Various Generative AIs in the Side Panel
- Installation and Initial Setup
- Basic Operations in Monica
7-1: Key Features of ChatGPT
ChatGPT offers the following core capabilities:
- Pioneer in “Reasoning Models”:
OpenAI was early to introduce advanced reasoning models (such as o1 and o3) that pause to think and reason step-by-step before producing an answer. As a result, it achieves remarkably high accuracy in complex mathematics, scientific proofs, and intricate code debugging. - Long-Term Memory and Personalization:
The AI automatically retains user profiles and preferences, such as “I am a software engineer” or “Keep your answers concise.” The more you use it, the more it evolves into a customized personal assistant. - Customization via “GPTs” and Third-Party Integrations:
It features a vast ecosystem where users can build no-code custom AIs tailored to specific workflows (e.g., slide creation, English learning, data analysis) or leverage convenient custom GPTs created by others.
7-2: How to Use ChatGPT
Using ChatGPT is straightforward: simply type your instruction (prompt) into the text box and hit send, just as you would in a messaging app.
Common Use Cases and Sample Prompts
- Writing & Editing:
“Draft three versions of a promotional email for our new product, using a friendly and approachable tone for women in their 30s.” - Summarization & Explanation:
“Explain the text of this dense academic paper in three bullet points that a middle school student could easily understand.” - Brainstorming:
“Give me 10 unique concept ideas for a new cafe targeting remote workers.” - Programming Support:
“Write Python code to scrape this web data. I encountered an error—explain what is causing it and provide the fix.”
7-3: Using ChatGPT in the Main Chrome Window
Clicking the bookmark icon placed on Chrome’s top bookmark bar opens the homepage directly in the main browser window ❶. Entering your prompt into the “Ask anything” input box generates a response from ChatGPT ❷.
7-4: Using ChatGPT in the Chrome Side Panel
Can ChatGPT be placed in Chrome’s side panel to interact with the active webpage in the main window, similar to Gemini’s side panel integration?
While you can display ChatGPT’s web UI within the side panel, it cannot automatically read or reference the content of the currently open webpage in the main window. In other words, side-panel ChatGPT does not link natively to your active browser tab. When asked about this, ChatGPT provides the following clarification:
Even if displayed in the Chrome side panel, ChatGPT cannot automatically access or recognize the contents of webpages, PDFs, Google Docs, or Gmail threads open in the main browser window.
The only way to achieve this seamless interaction is by installing a third-party Chrome extension that brings multi-model generative AI into the side panel. While Sider is a popular option, its full-featured paid tier exceeds 4,000 yen per month, making it difficult to recommend. The following section explains how to set up and use Monica, a more affordable extension offering comparable capabilities.
7-5: Monica: A Chrome Extension for Accessing Various Generative AIs in the Side Panel
Monica is an all-in-one AI assistant Chrome extension that lets you invoke various generative AI models directly from your browser’s side panel.
1. Installation and Initial Setup
- Install the Extension: Search for “Monica” on the Chrome Web Store and click “Add to Chrome” to install it.
- Account Registration: Sign in via the setup screen that appears post-installation or by clicking the extension icon (quick registration via Google Account or email; a free tier is available).
- Pinning the Extension (Recommended): Click the puzzle-piece icon (Extensions menu) in the top-right corner of Chrome and pin Monica so you can open it with a single click at any time.
2. Basic Operations in Monica
(1) Opening the Side Panel for AI Chat
Press Ctrl + M (Cmd + M on Mac) to slide the side panel out from the right edge of your screen.
- Inside this panel, you can ask questions or draft documents just like in a standard AI chat interface.
- You can switch between underlying AI engines (GPT, Claude, Gemini, etc.) instantly by clicking the model icon next to the chat prompt field.
Steps to summarize a webpage using Monica:
- Click the Monica extension button ❶.
- Click the bookmark icon (“Summarize this page”) located above the prompt input field in the side panel ❷.
- The page summary appears directly in the side panel ❸.
(2) Selecting Web Text for Quick Translation, Explanation, and Summaries
When browsing web articles or foreign news, highlight the text you want to examine with your cursor.
- The Monica Quick Action toolbar will pop up immediately next to the selected text.
- From there, you can execute Translate, Summarize, Explain (for technical jargon), or Rewrite with a single click.
(3) Summarizing Webpages, YouTube Videos, and PDFs
This feature is especially valuable when you need to digest lengthy research papers, long-form news articles, or extended video content quickly.
- With the target webpage open, bring up the Monica side panel and select “Chat with Webpage” / “Summarize” from the menu.
- Beyond active browser tabs, you can drag and drop local PDF files directly into the side panel to ask questions and extract insights from the document.
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