Sider AI Assistant Account
A Sider AI Assistant account turns your browser into an AI workspace, embedding GPT, Claude and Gemini as a sidebar that can summarize webpages, translate PDFs, explain YouTube videos and chat with any content you see.
What you get
- Sidebar access to GPT-4o, Claude, Gemini and more
- Summarize and translate any webpage or PDF
- YouTube video summaries with timestamped notes
- AI writer, prompt library and image tools
Sider vs other browser AI tools
| Feature | Sider | Monica AI | Merlin AI |
|---|---|---|---|
| Model coverage | GPT, Claude, Gemini | GPT, Claude | GPT, Claude |
| PDF chat | Yes | Yes | Yes |
| YouTube summary | Timestamped | Basic | Basic |
Related products
Compare with Poe, ChatGPT Go or browse the AI Tools category.
Delivery and support
Access is delivered instantly - see key delivery, refund policy and FAQ.
Final thoughts
Sider is the easiest way to add multi-model AI superpowers to your everyday browsing without switching tabs.








