Sider
Your AI agent for the browser
Sider is an AI sidebar and agent designed for the browser. It provides a unified interface for chat, automation, and code customisation across web platforms.
| Best for | users seeking automated research and cross-site information comparison |
| Website | sider.ai |
Company facts
| Social profiles | LinkedIn, X, Facebook, YouTube, TikTok |
Facilities and features
- Published pricing
What stands out
The AI tool supports multiple frontier models including GPT and Claude.
“Chat with GPT, Claude, Gemini, Grok & more”Sider, own website
Sider automates multi-step tasks using your existing logged-in sessions.
“It works across real websites, uses your logged-in sessions, and turns multi-step work into usable results.”Sider, own website
Strengths and trade-offs
- The AI tool supports multiple frontier models including GPT and Claude.
- Sider automates multi-step tasks using your existing logged-in sessions.
Appears in
How Sider ranks
#7 in AI research assistants with a Chrome extension
How the score is made up: Evidence on its own site 20; How complete its published information is 16; Fit to this ranking's criteria 40; Buying information on its own site 8.
“Research, compare, extract, and organize information across the websites you already use.”Sider, own website
“Add to Chrome 10M+ Active users 100K+ 5-star ratings Editors Picks Chrome · 2026”Sider, own website
Alternatives to Sider
 SageTubeChat with YouTube channels using citable AI answers | #1 in AI research assistants with a Chrome extension | 90.0 |
 Fusion ChatSmarter, faster, and simpler AI tools for every task | #2 in AI research assistants with a Chrome extension | 88.0 |
 LitSourceFind papers for biomedical claims and compare references | #3 in AI research assistants with a Chrome extension | 88.0 |
 Notebooker.aiSave what you find, ask questions about it, and build something out of it. | #4 in AI research assistants with a Chrome extension | 88.0 |
 GlarityYour AI copilot for summarising and translating web content | #5 in AI research assistants with a Chrome extension | 84.0 |
 JenniMeet your intelligent research assistant | #6 in AI research assistants with a Chrome extension | 84.0 |
Questions about Sider
Who is Sider best for?
Sider is best for users seeking automated research and cross-site information comparison.
Where does Sider rank?
Sider is ranked #7 in AI research assistants with a Chrome extension (Lister Score 84.0).
What are the best alternatives to Sider?
The closest alternatives on Lister are SageTube (#1 in AI research assistants with a Chrome extension), Fusion Chat (#2 in AI research assistants with a Chrome extension) and LitSource (#3 in AI research assistants with a Chrome extension).
Is this your company?
Claim Sider to suggest corrections to its listing (pricing, features, details) or ask about an enhanced profile. We review every claim before anything changes.