AI-powered conversational assistant for diverse tasks

Released May 20
Freemium · From $20/month for ChatGPT Plus
AI search, research, and writing tools for professionals
Liner provides AI search, research, and writing tools for professionals to find reliable information, cite sources, and create clear documents.

Liner is an AI-powered suite of tools for search, academic research, and professional writing.
Start with Liner Search to get verified answers with citations, move to Liner Scholar for paper discovery and literature reviews, or use Liner Write to draft and refine documents—all under one subscription.
Liner is an AI-powered suite designed for professionals who need trustworthy information and efficient writing. It combines three core tools: Liner Search delivers fact‑checked answers with inline citations that can be verified with one click; Liner Scholar helps users discover, compare, and review academic papers, generate literature reviews, and manage citations; Liner Write lets users draft, edit, and polish documents such as emails, reports, and newsletters without losing flow. All tools share a single subscription, enabling seamless switching between search, research, and writing tasks.
All three products are services built on precise AI search technology, but each has optimized features for different purposes. Liner – AI search for quickly finding reliable information. Liner Scholar – Academic research AI for paper‑based research. Liner Write – AI for writing content ready for professional use. Rather than spending time learning to master AI, we designed these tools so you can choose the right AI for your purpose and get results faster.
No. You can use all of them with one subscription. When you subscribe to Liner Pro or Liner Max, you can use all three products together at no additional cost. Feel free to search, research, and write within your plan's usage limits.
You can find information based on Liner’s search and verify the sources at the same time, so you can complete everything from research to writing in one go. If you want to focus directly on writing without having to search and organize information separately, Liner Write is the better choice.
Yes, Liner Scholar also supports both writing and searching. It's particularly well‑suited for research‑focused tasks like academic paper‑based writing or literature review. You can seamlessly progress from research to writing using the document editing features.
Currently, Liner Write and Liner Scholar are only supported on desktop environments. Because both products are optimized for tasks that require focus such as writing and research, they are most convenient to use on larger screens.
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