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Merlin AI is a browser-based platform providing real-time AI assistance for writing, summarising, researching, coding, and productivity tasks.
Merlin AI is an artificial intelligence-powered browser extension and productivity platform developed by Foyer Tech Inc., a company founded in 2022 and headquartered in California, United States. The platform enables users to interact with leading AI models such as ChatGPT, GPT-4o-mini, GPT-5, Claude 4 Opus, Claude 3.7 Sonnet, Gemini 2.5 Pro, Grok 4, Mistral Large, Llama 3.1, and DeepSeek directly from popular websites like Gmail, LinkedIn, YouTube, and Google Search.
Merlin helps users summarise videos and web pages, write emails, generate content, conduct research, and perform coding tasks in real time. It integrates seamlessly with browsers and offers desktop and mobile applications for iOS and Android.
Since its launch, Merlin AI has gained over one million users worldwide and is available as both a free and paid service. The free plan offers limited access to AI tools, while the Pro and Teams plans provide extended model access, a 100K-token context window, and more than 70 built-in AI utilities, including tools for summarising, image generation, translation, plagiarism checking, and essay writing. The company claims to offer one of the most affordable multi-model AI subscriptions, combining access to several premium models in one interface.
Foyer Tech Inc. has raised approximately US $7 million in funding through two rounds, including backing from Better Capital India, Dharmesh Shah (co-founder of HubSpot), and several angel investors. The company is led by founder and CEO Pratyush Rai and employs between 11 and 50 people. Its operations focus on building AI products that make generative technologies more accessible.
Merlin AI ensures compliance with SOC 2, GDPR, and ISO 27001 data-security standards. It stores user data securely on the cloud, does not sell user information, and allows complete data ownership. The company’s goal is to provide users with an efficient, all-in-one AI assistant for browsing, research, and content creation.
Merlin AI began in 2022 when Foyer Tech Inc. set up operations in California and started building a browser-based assistant that worked on top of popular websites. The initial focus was a Chrome extension that could read the current page and help with drafting, summarising and research across Gmail, LinkedIn, YouTube and general web pages.
Early versions routed requests to a small set of large language models and supported simple page and video summaries. By late 2022 the team opened wider access, added keyboard activation (Ctrl/?+M) and introduced a free tier to drive adoption. In the first year Merlin crossed one million users on Chrome and began publishing claims of up to 102 free queries per user per day on the free plan.
In 2023 Foyer Tech raised about US$7 million across two rounds. Publicly disclosed backers include Better Capital India, Dharmesh Shah and other angels; some databases also show a small 2023 convertible note of about US$250,000.
With this funding the team expanded the product from a single-model helper to a multi-model interface and built out integrations for email writing, post and reply generation on X and LinkedIn, and “chat with page/PDF”. Through 2023 the company widened model access to leading systems from OpenAI, Anthropic and Google, and added a basic image generator.
During 2024 Merlin introduced Pro and Teams plans with a 100K-token context window, device sync and an expanded toolkit (over 70 utilities). New modules included Projects (knowledge bases with retrieval from sources such as links, Google Drive and YouTube), Analyst Mode for spreadsheet-style analysis with code, and a Live Search mode.
The extension was complemented by a web app and mobile apps on iOS and Android. The company released an affiliate programme and published Chrome Web Store feedback metrics. Security statements were updated to list SOC 2, GDPR and ISO 27001 compliance, cloud storage in the United States, and user data ownership and deletion on request.
In 2025 Merlin broadened the model roster and published a comparison against single-vendor subscriptions. The Pro plan emphasised extended access to models (including GPT-series, Claude-series, Gemini 2.5 Pro, Grok, DeepSeek, Llama and Mistral where available), advanced image generation and editing, and “Deep Research Mode” with limited monthly queries. Teams added central billing, usage dashboards, larger context windows and basic admin controls.
Company size is reported as 11–50 employees, with a listed headquarters address at 9245 Laguna Springs Drive, Suite 200, Elk Grove, California 95758, United States, and about 40+ LinkedIn members listing Merlin AI by Foyer as their workplace. As of today, Merlin AI continues to run a free tier with limited model access, paid Pro and Teams plans with fair-use limits, and ongoing work on a fuller product stack to make generative AI available across browsing, documents and video.
The mission of Merlin AI is to make artificial intelligence accessible and useful to everyone by simplifying how people interact with technology. The company focuses on improving daily workflows by combining top AI models into one platform that helps with writing, research, coding, and communication. Merlin aims to empower professionals, students, and teams to save time, work efficiently, and make better use of online information. By integrating AI tools directly into browsers and applications like Gmail, LinkedIn, and YouTube, Merlin ensures users can access intelligent assistance without leaving their workspace, promoting productivity through simplicity and ease of use.
Merlin AI’s vision is to become the leading all-in-one AI companion for everyday digital tasks, enabling seamless collaboration between humans and artificial intelligence. The company seeks to create a future where AI tools are not limited to specific platforms but are available across all devices and workflows. Its goal is to help users achieve more with less effort by merging multiple AI models into a single, easy-to-use interface. Through continuous innovation, responsible data handling, and focus on accessibility, Merlin aims to build a world where everyone can use AI technology confidently, safely, and efficiently for personal and professional growth.
Merlin AI offers a complete set of artificial intelligence products and services designed to make online work easier, faster, and more efficient. Developed by Foyer Tech Inc., the platform combines multiple AI models and tools into a single system that can be used directly within web browsers, emails, and other online applications.
Its main product is the Merlin AI browser extension, available on Chrome, which integrates seamlessly with popular websites such as Gmail, LinkedIn, YouTube, Google Search, and Twitter (X). The extension allows users to summarise pages and videos, write and reply to emails or posts, research topics, and create or edit content in real time.
Merlin AI provides access to a wide range of powerful models, including GPT-4o-mini, GPT-5, Claude 4 Opus, Claude 3.7 Sonnet, Gemini 2.5 Pro, Grok 4, Llama 3.1 405B, Mistral Large, and DeepSeek. This multi-model support allows users to switch between AI systems depending on their needs, such as content creation, analysis, coding, or image generation.
The service is available through three plans — Free, Pro, and Teams. The Free plan provides limited daily access to basic tools, while the Pro plan unlocks full access to all models, a larger context window of up to 100,000 tokens, and more than 70 integrated AI tools. The Teams plan extends these benefits to businesses, with added features for managing multiple users, tracking usage, and ensuring compliance with industry-standard security requirements such as SOC 2, GDPR, and ISO 27001.
The platform’s tools are designed for both individuals and organisations. Some of its most used features include “Chat with Merlin” for general conversation and research, “Chat with PDF” for document reading, and “Chat with Websites” for analysing online content directly. Users can also upload multiple files for AI-powered summarisation or data extraction.
For professionals, Merlin includes tools for writing emails, social media posts, blog articles, and academic essays with citation support. It also provides AI-based detection and humanisation features, plagiarism checking, and translation tools. Its “Analyst Mode” supports spreadsheet analysis and coding for data visualisation, making it useful for business and technical users alike.
Merlin AI’s image generation tools are another core offering. They include advanced models like FLUX 1.1 Pro, Recraft V3, Ideogram V3 Turbo, and HiDream L1, which allow users to create, edit, upscale, and enhance images. These tools can remove or replace backgrounds, erase objects, or convert existing images into new visuals. All image features are supported within the browser, allowing quick and convenient use without additional software.
The company also offers a web app and mobile applications for iOS and Android, ensuring users can access their projects across devices. Through its affiliate programme, users can earn money by referring others, promoting wider adoption of the platform. Merlin AI provides secure cloud-based data storage and gives users full ownership of their data. By combining accessibility, flexibility, and multi-model power, Merlin AI continues to expand its role as a reliable all-in-one AI assistant for writing, research, creativity, and productivity.
