Sider
AI sidebar assistant for any webpage and PDF.
Sider is a browser sidebar that brings multiple AI models to summarize, translate, chat and answer about the current page, PDF or YouTube video. Free daily uses; paid raises limits and adds features.
About Sider
Sider is one of 21 ai chatbots & assistants tools in our directory. It's positioned for research while browsing, summaries.
With a free tier, Sider stands out in ai chatbots & assistants — 20 of 21 tools in this category offer free access. The free plan is often limited in features or users, so verify that trial access covers your use case.
Key capabilities include Sidebar on any page, Multi-model chat, Summarize PDF/YouTube. These are standard in modern ai chatbots & assistants platforms. Evaluate whether the tool's depth in each area matches your plant's needs and technical maturity.
Best for: research while browsing, summaries, translation. When choosing between similar tools, validate that Sider has integrations with your existing systems (data historians, SCADA, ERP) and that support covers your region.
At $10.0/mo, Sider sits below the ai chatbots & assistants average of $12/mo, which ranges $0.14–$20.0/mo across the 15 paid ai chatbots & assistants tools we track. Entry/"from" prices; free tiers show as 0. Verify current pricing on each tool's site.
Key features
- Sidebar on any page
- Multi-model chat
- Summarize PDF/YouTube
- Translate and rewrite
- Group AI (compare answers)
Pros
- Convenient sidebar
- Multiple models
- Free tier
Cons
- Daily limits on free
- Browser extension only
Alternatives to Sider
Monica
All-in-one AI assistant in your browser across models.
Perplexity
AI answer engine that cites its sources for every claim.
Comet
AI-native browser that completes tasks for you
Compare Sider
Sider FAQ
Is Sider free?
Sider has a free tier you can start with; paid plans start from $10/mo.
How much does Sider cost?
Sider pricing starts from $10/mo. Check the official site for current plans.
What are the best alternatives to Sider?
Top alternatives to Sider include Monica, Perplexity, Comet.
What is Sider best for?
Sider is best for research while browsing, summaries, translation.
Reviewed by the ToolGlance editorial team · Last updated 2026-06-12
How we rate: ToolGlance scores combine pricing, core features, user-review signals and update frequency, compiled from public sources and vendor documentation — see our methodology. Figures are indicative and change often; always verify pricing and features on the vendor site before buying. Last updated 2026-06-12. Compiled by the ToolGlance editorial team.