- Liner announced on August 25 that it has raised $36.1 million in a Series C funding round, led by LB Investment.
- The funding round comes approximately one year and ten months after Liner's previous funding, bringing its cumulative funding to about $71 million.
- Liner scored 95.3 on OpenAI's SimpleQA benchmark, achieving world-leading performance and outperformed GPT-4o in AI search answer generation evaluations.
- Liner launched Liner Scholar, Liner Write, and Liner Finance as personal productivity agents.
- As of late July 2026, Liner ranked 30th in Similarweb's global AI service traffic rankings.
- Liner is the only Korean AI startup to appear four consecutive times on a16z's Top 100 GenAI Consumer Apps list since 2024.
- Liner partnered with HUMAIN, a Saudi Arabian national AI company, supplying its deep research-based AI search engine for HUMAIN ONE.
- Liner's previous funding round occurred approximately one year and ten months ago, contributing to its total funding of about $71 million.
Liner, a global AI agent startup, announced on August 25 that it has raised $36.1 million in a Series C funding round led by LB Investment. This funding round marks a significant milestone, bringing Liner's total funding to approximately $71 million since its inception.123
The company achieved a remarkable score of 95.3 on OpenAI's SimpleQA, surpassing GPT-4o in search-response generation, which validates its proprietary technology. Jinwoo Kim, CEO of Liner, stated, "This funding round is a strategic foundation for securing the technological infrastructure and talent responsible for reliability, the core of AI agents."4
Liner currently serves 14 million users across 220 countries, including the U.S., Europe, India, and Southeast Asia. The company has also ranked 30th in Similarweb’s global AI service traffic rankings, ahead of competitors like Poe and Mistral AI.6
The Series C investment will focus on R&D to enhance Liner's technological edge. Ki-ho Park, CEO of LB Investment, remarked, "Liner now serves 14 million users, ranks No. 30 globally in AI web traffic, has deployed its technology to HUMAIN, and has expanded into enterprise AI. Those milestones attracted $36.1 million in new funding."89
Liner's innovative products, such as "Liner Scholar" and "Liner Write," cater to various sectors, establishing a robust portfolio of personal productivity agents. The company is also the only South Korean AI startup to appear four consecutive times in Andreessen Horowitz’s Top 100 Generative AI Consumer Apps list since 2024, demonstrating sustained demand from global consumers.57
“The round brings Liner's cumulative funding to approximately $71 million, with new investors including KDB, KB Securities, and STIC Ventures. Liner serves 14 million users across 220 countries and ranks 30th in global AI web traffic, ahead of Poe and Mistral AI.”
