URL
FreeFree
FreeFree tier
Inputs: textOutputs: text
About URL
Sider is a Chrome extension that integrates multiple AI models into a single sidebar, allowing users to access ChatGPT, DeepSeek, Gemini, Claude, and Grok without switching tabs. It is designed to enhance web browsing, email, writing, and translation tasks by providing an in-context AI assistant. The extension supports group chat, where users can query multiple AIs simultaneously and compare responses, and offers prompt management for saving and deploying prompts across the web. Sider is developed by Vidline Inc., a Boston-based startup, and is available as a free extension with a large user base.
Key Features
Access to multiple AI models (GPT-5, Claude, DeepSeek, Gemini, Grok) in one sidebar
Side-by-side AI assistant that works on any web page without tab switching
Group chat feature for comparing responses from different AIs in real-time
Context-aware assistance for reading articles, responding to tweets, and searching
Prompt management to save and deploy prompts anywhere on the web
Integration with daily workflows like email, writing, and translation
Pros & Cons
Pros
- Free to use with a large user base and high ratings
- Supports multiple leading AI models in one interface
- Sidebar design allows multitasking without leaving the current page
- Group chat enables direct comparison of AI responses
- Context-aware assistance integrates with browsing and writing tasks
Cons
- Requires a Chrome browser and internet connection
- Free tier may have usage limits that should be verified
- Output quality depends on the specific AI model used
- As a browser extension, it may not be available on all platforms
Best For
Enhancing web search with AI-generated answers and summariesImproving writing and editing emails or documents with AI suggestionsTranslating text on web pages using AI modelsComparing responses from multiple AI models for research or decision-makingManaging and reusing custom prompts for repetitive tasks
FAQ
Is Sider free to use?
The extension appears to be free, but exact usage limits or premium features should be verified on the Chrome Web Store page.
Which AI models does Sider support?
Based on available information, Sider supports GPT-5, Claude, DeepSeek, Gemini, and Grok.
Does Sider work on all websites?
Sider is designed to work as a sidebar on any web page, but compatibility with specific sites should be tested.
Can I use Sider without a ChatGPT account?
Sider appears to provide access to multiple AI models, but some features may require accounts for certain services; this should be verified.
Is my data private when using Sider?
Privacy practices are not detailed in the provided content; users should review the extension's privacy policy for specifics.