Sinai.ai

Based in the US, Sinai. ai provides an AI-powered platform that transforms the reading experience, enabling users to engage interactively with texts and fostering deeper understanding. Sinai. ai is a US-based company founded in 2024, focused on enhancing reading engagement through its innovative platform.

The company has raised USD 1. 45 mn in funding, with its most recent deal occurring on April 20, 2026, co-led by KAUST Innovation Ventures and DisrupTech Ventures. The founder's history is not detailed, nor is there mention of any pivots or subsidiaries. Sinai.

ai offers an innovative AI-powered platform designed to enhance the reading experience through interactive engagement. Their core product, aiBook™, serves as a personalized reading companion that allows users to interact with books in real time, facilitating discussions around themes, meanings, and perspectives. The platform addresses common challenges faced by readers, such as the limitations of static digital texts and the desire for deeper engagement with content. By providing features like instant explanations, tailored summaries, and real-time translations, Sinai.

ai aims to make reading more dynamic and participatory. The product is targeted at diverse users, including avid readers, students, and professionals, and is designed to function across multiple major languages. Currently, it is positioned for markets looking for advanced reading solutions, with a focus on regions that prioritize digital literacy and educational innovation. Sinai.

ai's revenue model is primarily based on subscription services, allowing users to access a range of interactive reading experiences tailored to their preferences and needs. Clients can subscribe to different plans that offer varying features and access to content, including flagship services associated with their aiBook™ product. Through this model, individuals and institutions can engage directly with the platform, which supports both B2C and potential B2B relationships. Transactions typically occur on a recurring basis, providing users with continuous access to evolving book content and personalized reading tools.

Specific pricing structures for subscriptions and services are established to cater to different user segments, ensuring comprehensive access to the platform's capabilities while enhancing user engagement with their reading journeys. In April 2026, Sinai. ai raised USD 1. 45 mn in pre-seed funding, which will be utilized to develop its AI infrastructure.

The company is also planning to expand its product offerings, focusing on launching new features for the aiBook™ platform. Additionally, there are plans for geographic expansion into markets that prioritize digital literacy and educational innovation, aligning with their mission to enhance reading engagement.