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Merlin vs Sider AI Sidebar

Merlin or Sider AI Sidebar? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.

In short

  • Both: Searches the web, Reads your files, Makes images, Mobile app
  • Only Merlin states: Projects
  • Only Sider AI Sidebar states: Understands images, Acts for you, Desktop app

Merlin

Merlin is an AI chat assistant, browser extension, and mobile app for writing, research, coding, summaries, images, and data analysis.

Plans

Merlin Free

Free

    Merlin $2 plan

    • $2/month
    • $24 per year
    • Access to key Pro-level features
    • Smaller usage quota than Merlin Pro

    Pro(mini)

    • $5/month billed annually
    • $60/year
    • Access to top AI models
    • 70+ AI tools for research and writing
    • Same features as Merlin Pro, with about one-fifth of the usage

    Prices checked 2026-09-24 on the maker’s page.

    Capabilities

    • Searches the web — “Use Live Search in tandem with websites and document sources to write precise, up-to-date reports” source
    • Reads your files — “Just upload guidebooks or lecture PDFs, let Merlin learn from them and respond.” source
    • Makes images — “Generate images with 20+ image models and aspect ratios for web and social media.” source
    • Projects — “With Projects, add any context, create reusable knowledge bases and query repeatedly for tailored responses.” source
    • Mobile app — “iOS app Android app” source

    Latest updates

    About Merlin

    Sider AI Sidebar

    Sider AI is a browser sidebar for chatting with webpages, PDFs, videos, and multiple AI models while you browse.

    Plans

    Nano

    • US$ 10 / mo
    • Temporary Cloud Computer
    • Chat with GPT-6, Claude Fable 5.1, DeepSeek, Gemini, and more
    • Automate tasks across real websites with an AI browser agent
    • Customize any website and save your preferred experience
    • Generate images, videos, slides, documents, and more

    Pro

    • US$ 50 / mo
    • Dedicated Cloud Computer (2 vCPU · 4 GB RAM · 40 GB SSD)
    • Chat with GPT-6, Claude Fable 5.1, DeepSeek, Gemini, and more
    • Automate tasks across real websites with an AI browser agent
    • Customize any website and save your preferred experience
    • Generate images, videos, slides, documents, and more

    Max

    • US$ 100 / mo
    • Dedicated Cloud Computer (4 vCPU · 8 GB RAM · 40 GB SSD)
    • Chat with GPT-6, Claude Fable 5.1, DeepSeek, Gemini, and more
    • Automate tasks across real websites with an AI browser agent
    • Customize any website and save your preferred experience
    • Generate images, videos, slides, documents, and more

    Prices checked 2026-09-24 by web search.

    Capabilities

    • Searches the web — “Additionally, it offers smart internet access, YouTube summary, ChatPDF, AI painting, and AI chatbots leveraging ChatGPT, DeepSeek, Claude, and Gemini.” source
    • Reads your files — “Your uploaded documents and pages are ready to provide personal assistance in your work and life.” source
    • Understands images — “Vision (Chat with Image)” source
    • Makes images — “With Sider, anyone can transform plain words or images into stunning arts, based on the latest Stable Diffusion.” source
    • Acts for you — “Automate your browser tasks” source
    • Mobile app — “Chrome extension, Edge extension, Safari extension, iOS app, Android app, Mac app, and Windows app.” source
    • Desktop app — “Chrome extension, Edge extension, Safari extension, iOS app, Android app, Mac app, and Windows app.” source

    Latest updates

    About Sider AI Sidebar