Merlin AI records 1,382,634 monthly visits with +13.1% month-over-month growth and Freemium pricing. Side Space records 0 monthly visits with 0% growth and Freemium, Paid pricing.
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
The AI-powered vertical tab manager for a tidier browser
| Dimension / Metric | | |
|---|---|---|
| Official Domain | getmerlin.in | sidespace.lemonsqueezy.com |
| Pricing Model | Freemium | Freemium, Paid |
| Monthly Visits | 1.38M (1,382,634) | 0 (0) |
| MoM Traffic Delta | +159.85K (+13.1%) | 0 (0%) |
| Primary Market & Share | 🇺🇸 United States (15%) | 🌐 Global (—) |
| Direct Visits / mo | 695.32K | 0 |
| User Rating | 4.3 | 4.2 |
| Supported Platforms | Browser Extension | Website |
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
Switch between GPT, Claude, Gemini, DeepSeek, Mistral and Llama class models from a single interface instead of juggling separate subscriptions.
Summarize articles, YouTube videos, PDFs and documents in place, then ask follow-up questions grounded in that content.
Draft and reply to emails in Gmail, compose posts and comments for X and LinkedIn, and repurpose web pages or videos into blogs and articles.
Generate images from prompts using more than 20 image models and multiple aspect ratios for web and social output.
The AI-powered vertical tab manager for a tidier browser
Move your open tabs out of the cramped top bar and into a full-height sidebar where titles and favicons are easy to read.
Let the extension cluster related tabs automatically with AI, so research or project sessions stay grouped without manual sorting.
Nest tabs under parent tabs and drag them between groups to mirror how you actually think about your work.
Built for Chromium-based browsers including Chrome, Brave and Edge, so your setup travels across the browsers you already use.
SpecialistProvides superior core reasoning and advanced coding agents, but lacks Merlin's seamless one-click browser tab integration and sidebar shortcuts.
SpecialistProvides superior core reasoning and advanced coding agents, but lacks Merlin's seamless one-click browser tab integration and sidebar shortcuts.
SpecialistOffers massive context windows and Google Workspace integration, but functions as a standalone web app rather than an inline sidebar.
SpecialistOffers massive context windows and Google Workspace integration, but functions as a standalone web app rather than an inline sidebar.
SpecialistExcels at nuanced document analysis and writing, but operates as a dedicated web workspace rather than a browser extension.
SpecialistExcels at nuanced document analysis and writing, but operates as a dedicated web workspace rather than a browser extension.
SpecialistDelivers superior citation-backed web research and real-time search, but lacks Merlin's multi-purpose browser writing tools and sidebar utilities.
SpecialistDelivers superior citation-backed web research and real-time search, but lacks Merlin's multi-purpose browser writing tools and sidebar utilities.
Aggregates diverse frontier models into one conversational interface, but operates primarily as a web/app client rather than a native extension.
Aggregates diverse frontier models into one conversational interface, but operates primarily as a web/app client rather than a native extension.
Provides comparable all-in-one browser assistance and multi-model chat, but includes more robust built-in painting and drawing suites.
Provides comparable all-in-one browser assistance and multi-model chat, but includes more robust built-in painting and drawing suites.
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
The AI browser that reads between your tabs
The agentic AI browser that reads your tabs, files, and screenshots as context
The agentic AI browser that reads your tabs, files, and screenshots as context
Delivers a cross-platform AI chat client with local file Q&A, but requires desktop installation rather than browser extension access.
Delivers a cross-platform AI chat client with local file Q&A, but requires desktop installation rather than browser extension access.
One browser agent that combines every major AI model with web automation
Focuses on side-by-side multi-model comparison in a sidebar, but lacks Merlin's deeper document and video summarization workflows.
Focuses on side-by-side multi-model comparison in a sidebar, but lacks Merlin's deeper document and video summarization workflows.
