Merlin AI is an AI-powered productivity tool available as a browser extension and web application. It provides access to multiple large language models — including GPT-4, Claude, and Gemini — from a single interface. Users can perform AI-assisted web searches, summarize YouTube videos and web pages, generate and refine written content, and interact with documents such as PDFs. Merlin integrates directly into the browser, allowing users to invoke AI assistance on any webpage without switching tabs. The platform supports chat-based interactions, prompt templates, and the ability to search the web with AI-generated responses. It is designed to streamline research, writing, and information retrieval tasks for individuals and teams. Merlin also offers a mobile-accessible web app in addition to its browser extension, making it usable across devices. The product targets knowledge workers, students, marketers, and developers who want to consolidate AI tool usage into one accessible interface.
Target audience and deployment
- Solo / Freelancer
- Startup
- SMB
- Cloud
- Browser extension
Pricing
Free
Pro
Teams
Key features
Use cases
- Summarize web pages and YouTube videos
- Conduct AI-powered web research
- Generate and refine written content
- Chat with documents and PDFs
- Access multiple AI models from one interface
- Automate repetitive writing tasks with prompt templates
Best for
- Freelancers who need to research and write content faster using multiple AI models
- Students who need to summarize articles, papers, and videos for study
- Marketers who need to generate and refine copy directly within their browser
- Knowledge workers who need a single AI interface for daily research and writing tasks
Integrations
AI models included
GPT-4, Claude, Gemini
Other
YouTube, Google Search