Merlin vs OmniBox

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Merlin compared with OmniBox
Detail	Merlin	OmniBox
What it does	AI assistant providing access to top AI models without sign-up or ads	Your AI knowledge partner for collecting, organizing, and creating from information
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	CN
Pricing model	Freemium	Freemium
Pricing	Free plan with 102 daily queries; Merlin Pro at $19 per month billed annually. Free users get 102 queries daily with GPT 3.5, Gemini, and Claude 3 Haiku consuming 1 query each; GPT 4, Gemini 1.5, and Mistral Large consuming 30 queries each.	Free plan: 5 GB storage, PDF/image parsing up to 600 pages/month, audio/video up to 60 minutes/month, maximum file size 20 MB. Pro plan: ¥35/month (or ¥0.94/day when paid annually with ¥70 discount) includes 50 GB storage, PDF/image parsing up to 3000 pages/month, audio/video up to 300 minutes/month
Key features	Access to multiple AI models including ChatGPT, Claude, Gemini, DeepSeek, and Mistral Real-time web search integration YouTube video summarization and transcription Chrome extension for one-click answers Social media content generation and posting Email composition with AI Custom knowledge bases and projects Code snippets and web components generation Diagram and flowchart generation AI image generation with Flux 1.1 Pro	Web content capture and saving from browser PDF, Word, and PPT file parsing into searchable documents Automatic OCR for images and document scans Audio and video transcription with summaries and key frames Natural language search across knowledge base AI-powered question answering with source citations WeChat and QQ message forwarding to knowledge base RSS feed subscription and auto-import AI Agent for file organization and workflow execution Open source code with self-hosting and offline support
What makes it different	Free access to multiple top AI models without separate subscriptions Works without sign-up or ads Available in 200+ countries where ChatGPT is restricted All AI tools consolidated in one affordable subscription Works seamlessly across all devices with synchronized history	Unified content collection from multiple sources including chat apps, RSS, and web without changing habits Automatic understanding and indexing of all content types for search and AI use AI capabilities integrated directly into other AI tools via Skill integration Free tier with generous quotas for most users before paid upgrade needed
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	72 no change since last check	18 no change since last check
Trust Flow (Majestic)	19	4
Citation Flow (Majestic)	46	29
Referring domains (Majestic)	2535	227

5 details filled in for both companies.

More alternatives to Merlin More alternatives to OmniBox