Sider: AI Research Agent & Extension

Deep Research Agent & AI Research Browser Extension

4.5•24 reviews•

3.8K followers

Deep Research Agent & AI Research Browser Extension

4.5•24 reviews•

3.8K followers

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Prompt Engineering Tools

Sider Deep Research Agent mimics human research process: scanning 100+ relevant sources and creating visualized reports. It automatically reflects on findings, highlights key information, takes inspirational notes, and saves above all materials to Wisebase—an evolving AI knowledge base that grows with you. For on-the-go research, Sider AI browser extension brings powerful tools anywhere you browse online, putting instant research assistance at your fingertips.

This is the 4th launch from Sider: AI Research Agent & Extension. View more

Sider 6.0

Launching today

Your AI Agent for the Browser

Sider AI 6.0 introduces Wisebase for unlimited document Q&A and auto-building an AI knowledge base, Claw for automating multi-page browser tasks, and Code for instantly customizing any website with AI — no coding needed, changes persist. Available on Chrome, Edge, iOS, Android & Desktop.

Free Options

Launch tags:Browser Extensions•Productivity•Artificial Intelligence

Launch Team / Built With

Fin Startups get Fin free for a year + 93% off Intercom

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Previous Sider: AI Research Agent & Extension Launches

Sider 5.0: Deep Research with WisebaseMimic Human Research & Save Findings in AI Knowledge Base

Launched on March 19th, 2025

Sider 4.0Group chat with multiple AI bots to reduce hallucinations

Launched on November 30th, 2023

ChatGPT Sidebar Chrome ExtensionAI & you work side by side on any page

Launched on March 2nd, 2023

4.5

Based on 24 reviews

Review Sider: AI Research Agent & Extension?

Reviewers mostly see Sider as a practical, browser-based AI helper that saves time on research, email drafting, grammar, idea generation, and simplifying technical text. The most repeated praise is its tight browser integration, broad feature set, and source-scanning summaries, with some users also noting fast updates and responsive community support. The main complaints are less about core usefulness than about pricing and plan limits: several users want clearer usage rules, and one sharply negative review says “unlimited” access still felt heavily restricted and refund handling was poor.

+21

Summarized with AI

Pros

browser integration (3)

Cons

credit limitations (2)

Pros

Cons

Reviews

All Reviews

Most Informative

•7 reviews

What's great

Sider brings top AI models (GPT, Claude, Gemini) right into your browser sidebar. Seamless browser integration, Wisebase for organizing notes, automatic note-taking, and document summarization make research and reading much faster.

What needs improvement

Credit limits can feel tight on busy days, source transparency could improve, and concurrency/model throttling are occasional pain points.

vs Alternatives

I compared it with other AI sidebar tools like Monica and Merlin, but chose Sider for its multi-model support and stronger Wisebase organization features.

Ratings

Ease of use

Reliability

Value for money

Customization

Report

6 views2d ago

•1 review

I needed to use Claude-opus-4 (thinking). I saw Sider.ai, and I purchased a one-month trial with an UNLIMITED plan. Upon checking again, I found that Claude-opus requires 20 advanced credits, and even with the unlimited plan, there are credit limitations. It stated that after using all credits, the quality of responses would decline, and I agreed to that. Based on this situation, I bought a one-month subscription. On the first day of using Claude-opus-4 (thinking), I was only able to use it once, and then I was limited to one use per day. Later, I switched to Claude-opus-4, and the same thing happened. Afterward, I requested a refund, but they refused (I communicated with them via email, back and forth, for about 4 days, with one reply each day). Later, I checked the website again and saw that it changed to: "Due to the limited concurrency and high operational costs of Claude 4 Opus, as well as a recent surge in user demand, each user is currently limited to one use per day."

What needs improvement

credit limitations (2)limited concurrency (1)

Report

480 views1yr ago

•18 reviews

Sider mimics the human research process, scanning tons of sources and summarizing key points is a huge time-saver. Plus, integrating it into your browser as an extension is slick. Imagine having research help literally in your back pocket as you browse. For someone who's all about efficiency and cutting down the noise, this feels like a tool built for the future.

What's great

time-saving (1)productivity boost (1)browser integration (3)

Report

404 views11mo ago

•7 reviews

What's great

What needs improvement

Credit limits can feel tight on busy days, source transparency could improve, and concurrency/model throttling are occasional pain points.

vs Alternatives

I compared it with other AI sidebar tools like Monica and Merlin, but chose Sider for its multi-model support and stronger Wisebase organization features.

Ratings

Ease of use

Reliability

Value for money

Customization

Report

6 views2d ago

•1 review

What needs improvement

credit limitations (2)limited concurrency (1)

Report

480 views1yr ago

•18 reviews

What's great

time-saving (1)productivity boost (1)browser integration (3)

Report

404 views11mo ago