General Introduction
ChatHub is an online platform that lets users use multiple AI chatbots at the same time. It supports GPT-4o, Claude 3.5, Gemini 2.0, and many other major AI models, allowing users to enter a question, get answers from different models, and compare them all in one interface. The platform offers a web version, a browser extension and a mobile app, which is simple to use and suitable for users who need to quickly compare AI answers or find the best solution.ChatHub is free to use for basic features, and premium features require a subscription to a paid plan. Its core strengths are saving time, improving efficiency, and helping users make smarter choices in complex tasks.
Function List
- Talk to multiple AI models at the same time and compare responses in real time.
- Supports over 20 AI models such as GPT-4o, Claude 3.5, Gemini 2.0, Llama and more.
- Provides a prompt word bank for easy management and reuse of frequently asked questions.
- Local saving of chat logs with full text search support.
- Supports Markdown formatting and code highlighting.
- Provide dark mode to optimize the experience of using it at night.
- Allows uploading PDF files and asking questions based on the content of the document.
- Support for connecting AI models using personal API keys.
- Provides browser extensions for quick access to AI features.
- Web version for mobile, use it anytime, anywhere.
Using Help
Installation and Usage
ChatHub offers multiple ways to use it without complicated installation. Below are the detailed operating instructions:
1. Use of the web version
- Open your browser and visit
https://chathub.gg/zh
maybeapp.chathub.gg
The - To get started without registering, click on the input box on the page and enter your question.
- By default, the platform displays responses from multiple AI models (e.g., GPT-4o, Claude 3.5).
- If you need more features (such as uploading documents or using advanced models), you need to register for an account and log in.
2. Browser extension installation
- In Chrome or Edge, visit the Chrome Web App Store or the Microsoft Edge Extension Store.
- Search for "ChatHub" to find the official extension (courtesy of chathub.gg).
- Click "Add to Chrome" or "Get" to confirm installation.
- Once the installation is complete, the ChatHub icon will appear in the upper right corner of your browser.
- Click on the icon to bring up the ChatHub interface and enter your question to use it.
- If there is ChatGPT maybe Claude account that can be logged into in Extended Settings to automatically use existing subscription permissions.
- If you are using an API key, enter the key in the settings to connect to the corresponding model.
3. Mobile use
- Open your mobile browser and visit
app.chathub.gg
The - Pages are automatically adapted for mobile, no need to download additional apps.
- Enter a question to see the answers from different AI models.
- It is recommended to add the web page to your phone's home screen for quick access.
Featured Functions Operation Procedure
Function 1: Multi-model comparison
- Enter a question in the input box, e.g., "How can I be more productive?".
- After pressing enter, the page displays the responses of multiple AI models arranged on the same screen.
- Separate areas for each model's responses are provided to facilitate comparison of content differences.
- If a model's answer is more in line with the needs, you can click on that model to continue the conversation in depth.
- Hint: Short questions are good for quick comparisons, long questions can highlight differences in logic and depth of models.
Function 2: Cue Thesaurus
- Find the "Prompt thesaurus" option on the left side of the page or in Settings.
- Click "Add Prompt" and enter a common question template, such as "Write a formal email for me".
- Once saved, the cue word will appear in the library and can be used directly by clicking on it.
- Users can edit or delete cue words, suitable for repetitive tasks.
- Tip: Split complex tasks into multiple cue words for better results.
Function 3: Upload PDF documents
- After logging into your account, find the "Upload File" button (usually near the input box).
- Select the local PDF file and click Upload.
- Once the upload is complete, ask a question in the input box, such as "Summarize the main points of this document".
- The platform will answer based on the content of the document, supporting the extraction of key information or answering specific questions.
- Note: Uploaded documents are automatically deleted after 24 hours to protect privacy.
Feature 4: Local Chat Records
- Each conversation is automatically saved locally in your browser, no need to save it manually.
- Find the "History" option at the top of the page or in the sidebar.
- Click to view all conversations, support search by keywords.
- Enter a keyword, such as "efficiency", into the search to find relevant conversations.
- Users can delete unwanted records to keep the interface tidy.
Function 5: API Key Connection
- Find the "API Key" option on the Settings page.
- Enter the API key for OpenAI, Anthropic, and other platforms.
- Once saved, ChatHub will invoke the corresponding model with the key.
- Ideal for users who have their own subscription or need to control costs.
- Note: Make sure the key is valid to avoid leakage.
Other Functions
- Dark Mode: Switch to dark mode in the settings for nighttime use to reduce eye strain.
- Markdown Support: Automatically display highlighting effects when entering code or formatting text, suitable for programmers.
- shortcut access: After installing the extension, set a custom shortcut (Alt+C by default) to quickly open ChatHub.
Tips for use
- The free version has a limit on the number of times it can be used, so we recommend registering and checking the remaining amount.
- Paid plans (ChatHub Pro+ or Unlimited) unlock more models and features.
- When in trouble, visit the
doc.chathub.gg
Check out the official help documentation.
application scenario
- academic research
Researchers need to quickly validate the answers of different AI models to complex questions, and ChatHub allows for simultaneous input of paper-related questions, comparing the answers of GPT-4o and Claude 3.5 to find the most accurate interpretations. - content creation
Writers can use ChatHub to generate article outlines. Type in "Write an outline for an article about the environment" and compare ideas from multiple models to pick the best one. - Programming
Programmers enter code problems, such as "How to optimize Python sorting algorithms", and ChatHub provides solutions for different models, making it easy to choose the cleanest code. - Day-to-day decision-making
Users plan a trip, enter "5-day Tokyo itinerary suggestion", compare the recommendations of each model, and come up with the most suitable plan.
QA
- Do I need to register to use ChatHub?
Not required. The web version does not require registration to experience the basic features, but registering an account saves settings and unlocks more features. - What is the difference between the free version and the paid version?
The free version supports basic models and a limited number of times, while the paid version unlocks advanced models, unlimited times and the ability to upload documents. - How do I ensure the privacy of my uploaded documents?
Uploaded PDF files are used only to answer questions and are automatically deleted after 24 hours and are not used for training or storage. - Can I use my own API key?
Can. Enter the API key in Settings to connect to your personal account's AI model. - What languages does ChatHub support?
Supports multi-language input and output, with the best performance in mainstream languages such as Chinese and English.