Sheet updated on 17 March 2026

sider.ai

Multi-model AI extension to boost reading, writing, and web search.

💰Freemium, plans from around $5/month ★★★★★ 4.8/5 (150 reviews)
Assistants Productivity
#AI Assistant #Content Creation #Résumé de documents #Translation & Localization

Overview of sider.ai

https://sider.ai
Screenshot of sider.ai
Visit sider.ai →

Présentation détaillée

✅ Strengths

  • All-in-one AI assistant for writing, reading, translating, and searching.
  • Browser extension discreet with sidebar on the web.
  • Multi-model AI: GPT, Claude, Gemini, DeepSeek, and others.
  • Automatic summarization of pages, PDFs, docs, and YouTube videos.
  • Instant translation with bilingual view on web pages.
  • File management: images, PDFs, docs, links, videos, audio.
  • Multi-device synchronization: browser, desktop, mobile.
  • Functions for deep search and data analysis.
  • Fast AI image generation for visuals and illustrations.
  • Clear interface, suited to professionals, students, and creators.

⚠️ Limits

  • Free version limited in credits and advanced features.
  • Some AI features depend on monthly credits.
  • Dense interface for completely new users.
  • Performance dependent on stable internet connection.
  • Limited customization versus dedicated no-code agents.
  • Strong dependency on browser ecosystem and extensions.
👤 GOOD CHOICE?

Is sider.ai right for you?

✓ Ideal if you…

  • Students summarizing courses, papers and videos faster
  • Content creators writing, translating and repurposing content
  • Professionals doing daily research, drafting and analysis
  • Freelancers and SMBs needing a general-purpose AI copilot
  • Users who want AI inside the browser rather than a separate app
  • People juggling reading, notes and translation workflows

✗ To avoid if you…

  • Organizations requiring strict on-premise deployment
  • Teams needing a full CRM/ERP inside the same product
  • Users expecting a 100% free tool with no limits
  • Workflows needing a full no-code automation studio
  • Teams requiring fine-grained model control and governance

🎯 Our verdict

sider.ai stands out as a transversal AI assistant focused on real productivity, rather than just a chatbot. By combining multiple advanced models (GPT, Claude, Gemini, DeepSeek…) in a browser extension, it follows users where they already work: reading articles, composing emails, preparing presentations, summarizing videos, or analyzing PDFs. The ability to compare responses from multiple AIs, instantly translate a page, or generate visuals makes it a very complete tool for professionals, students, and creators. The free version remains limited and the credit system may frustrate heavy users, but in return you get a powerful, accessible, multi-platform AI copilot capable of saving several hours per week for those who truly integrate it into their workflow.

❓ FREQUENT QUESTIONS

FAQ — sider.ai

Is sider.ai free?
Yes, sider.ai offers a free plan with a limited number of daily credits to test chat, page summaries, PDFs, and some key features. Paid plans unlock more credits, broader access to advanced models, and intensive usage.
How do I use sider.ai in the browser?
Simply install the sider.ai extension on Chrome, Edge, or Safari. A sidebar appears on web pages: you can launch chat, summarize the page, translate content, analyze a PDF or YouTube video, and generate text or images without leaving your tab.
What AI models are available in sider.ai?
sider.ai combines several cutting-edge models: GPT, Claude, Gemini, DeepSeek, Llama, and others depending on the plan chosen. You can sometimes compare their responses in the same conversation and let the tool automatically select the model best suited to your task.
Does sider.ai work well in French?
Yes, sider.ai handles French very well for writing, translation, summaries, and document analysis. The interface has a French version and supported models offer solid understanding of French content, useful for studies and work.
Are my data secure with sider.ai?
According to the editor, conversations and files are transmitted securely and used to provide the service, with privacy policies aligned with industry standards. As always, it’s recommended to avoid sending ultra-sensitive data and to check the privacy policy before critical use.
★★★★★ 4.8/5 (150 avis)
✅ Verified by Comparateur-IA
Assistants Productivity

Multi-model AI extension to boost reading, writing, and web search.

💰 Rate Freemium, plans from around $5/month
🆓 Free trial Yes
🌐 Languages 🇬🇧 English, 🇫🇷 Français
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