Sider: AI Research Agent & Extension

Deep Research Agent & AI Research Browser Extension

4.4•25 reviews•

3.9K followers

Deep Research Agent & AI Research Browser Extension

4.4•25 reviews•

3.9K 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.

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Viktor.comAn AI coworker that actually does the work

Promoted

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

4.4

Based on 25 reviews

Review Sider: AI Research Agent & Extension?

Reviewers mostly see Sider as a practical browser companion that speeds up research, reading, and everyday writing. They repeatedly praise the sidebar integration, multi-model access, source scanning, summarization, note organization through Wisebase, and responsive updates from the team. Several say it stands out against similar sidebar tools for packing many features into one extension. The main complaints are tighter-than-expected credit and model limits, unclear usage rules, occasional weak results, and pricing or refund frustration, especially around restricted access to premium models.

+22

Summarized with AI

Pros

browser integration (3)

productivity boost (2)

Cons

credit limitations (2)

Pros

Cons

Reviews

All Reviews

Most Informative

•8 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

53 views10d 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

519 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 (2)browser integration (3)

Report

419 views11mo ago

•8 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

53 views10d ago

•1 review

What needs improvement

credit limitations (2)limited concurrency (1)

Report

519 views1yr ago

•18 reviews

What's great

time-saving (1)productivity boost (2)browser integration (3)

Report

419 views11mo ago