Liner, founded by CEO Jinwoo Kim, challenges the global AI search market. It reached 220 countries and serves 11 million users. The startup provides reliable, source-backed information to international business professionals.
Liner outperforms major Silicon Valley competitors in key accuracy metrics. This growth positions Korea as a central hub for AI innovation. Users worldwide now trust the platform for verified factual data.
Jinwoo Kim established the legal entity in 2012. He was a computer science student at Yonsei University. The official service launched in 2015 as a web highlighting tool.
It aimed to overcome limitations of traditional search engines. Liner began accumulating a massive repository of high-quality data. Users highlighted and saved essential information from web pages.
This curated data became the cornerstone of the AI search service. Liner utilized the collective intelligence of millions of users. These users manually identified the most valuable content on the web.
This unique dataset provides reliability that large tech giants lack. Liner officially pivoted toward an AI-centric search model in 2023. The system prioritizes verifiable citations for every single sentence.
The SimpleQA benchmark validated these technical results. Liner Pro Reasoning achieved a score of 95.3 points. The standard Liner Pro recorded a score of 93.7 points.
These figures represent a significant milestone in AI history. The results surpass models like OpenAI’s ChatGPT. They also beat Google’s Gemini in factual accuracy tests.
The platform minimizes hallucinations to build trust with professionals. It anchors every claim to a credible and reachable source. This allows users to conduct immediate and accurate fact-checking.
The specialized Academic Mode draws from 460 million scholarly papers. It utilizes more than 50 prestigious academic databases. These include ArXiv, PubMed, Nature, and IEEE.
Researchers generate citations in various styles with one click. They also use filters for citation counts and publication years. This focus on rigor has solidified its global reputation.
The Deep Research feature decomposes complex questions into sub-queries. The AI navigates news outlets, Wikipedia, and government reports. It then constructs a logically structured response for the user.
This investigation process is ten times faster than competitors. Autonomous Research Agents further enhance productivity for high-level tasks. These agents effectively serve as an AI-powered assistant team.
The Liner Copilot integrates directly into Chrome and Edge. It allows users to access AI features without leaving a page. This seamless workflow drives high retention rates among global users.
Auto Highlight identifies the most important sentences in a document. The AI analyzes 10 years of data to understand context. Users grasp the essence of lengthy files without reading every word.
The platform also summarizes YouTube videos in seconds. This feature saves time for students and busy professionals. Users interact with uploaded PDF documents to fact-check internal data.
Liner manages highlights and comments through a tag-based system. Approximately 90% of the user base resides outside of Korea. More than 60% of paid subscribers live in the United States.
US paid subscribers increased by 13.5 times in one year. The San Francisco office serves the North American market. In January 2024, the platform recorded 65 million visitors.
The organization secured 27 billion KRW in Series B2 funding. Atinum Investment and Intervest led the successful investment round. The round closed just two weeks after it opened.
Total accumulated investment has now reached 44 billion KRW. Investors like Samsung Venture Investment and LB Investment participated. The funds will support service optimization and global marketing.
Liner operates a freemium model with four different tiers. These include Free, Pro, Max, and Team plans. Paid tiers offer unlimited searches and more file upload capacity.
Kim stated that B2C models usually include subscriptions and ads. Liner uses subscriptions and currently tests advertisements. This approach aims to maximize the value of active participants.
The company focuses on lowering variable costs while increasing revenue. It is a key member of the K-AI Alliance led by SK Telecom. It also collaborates with LG Uplus on bundled services.
The Korea Artificial Intelligence Association recognized its contributions. Liner continues to refine its source curation technology. It addresses the significant pain point of AI misinformation.
The evolution of Liner demonstrates the power of specialized data. Its success in the US proves that Korean startups can win. The company sets a new standard for trustworthy artificial intelligence.
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