Sider AI
AI sidebar with browser agent, deep research and GPT-5 access for millions of users
Sider is a browser extension used by millions of users with outstanding reviews. The browser agent automates web tasks, deep research digs into sources thoroughly, and access to top models (GPT-5, Claude, Gemini) happens from a sleek side panel.
Sider AI is an artificial intelligence tool in the Chatbots & AI Agents category, developed by Sider and launched in 2023. Sider is a browser extension used by millions of users with outstanding reviews. The browser agent automates web tasks, deep research digs into sources thoroughly, and access to top models (GPT-5, Claude, Gemini) happens from a sleek side panel. Key features include: Autonomous browser agent, Deep research multi-source, Access to GPT-5, Claude, Gemini, Massive user base with outstanding reviews, Sidebar + chat + writing + translation, Page and video summaries. The tool is available on web with a freemium pricing model.
💰 Pricing
✨ Features
🎯 Use Cases
- Web task automation via agent
- In-depth research and synthesis
- Contextual AI on every page visited
- Assisted writing and translation
⚖️ Pros & Cons
👍 Pros
- Autonomous browser agent — automates repetitive tasks directly in the browser, a true web co-pilot
- Deep research digs the web thoroughly — multi-source synthesis with citations, superior to simple chat
- Millions of users with outstanding reviews — massive adoption that proves battle-tested reliability
- Basic at only ~$4.20/month — the lowest entry price on the market for premium multi-model access
- Unified access to GPT-5, Claude and Gemini — compare responses without juggling between platforms
👎 Cons
- Browser extension required — no standalone desktop or mobile app, depends on the browser
- Data processed on Sider servers — no local mode, sensitive content passes through the cloud
- Advanced features (agent, deep research) reserved for Pro+ — Basic remains limited to simple use cases
🏆 Verdict
In summary, Sider AI stands out in the chatbots & ai agents AI landscape thanks to its strengths: autonomous browser agent — automates repetitive tasks directly in the browser, a true web co-pilot, deep research digs the web thoroughly — multi-source synthesis with citations, superior to simple chat, millions of users with outstanding reviews — massive adoption that proves battle-tested reliability. However, some users note: browser extension required — no standalone desktop or mobile app, depends on the browser, data processed on sider servers — no local mode, sensitive content passes through the cloud. If you're looking for alternatives, you can compare Sider AI with ChatGPT, Microsoft Copilot, Monica AI. Our overall rating: 4.2/5.
ℹ️ Information
| Company | Sider |
|---|---|
| Launched | 2023 |
| Platforms | WEB |
| Category | Chatbots & AI Agents |
| Site | https://sider.ai |