Liner combines AI search, academic research, and writing tools for professional workflows. Its search answers include citations users can follow, and it can answer questions using a chosen pool of sources. Liner Scholar supports paper discovery, citation following, comparisons across papers, literature reviews, and research hypotheses. Liner Write can draft from a topic, add citations, revise text with AI, and export to PDF or DOCX. The Free plan includes unlimited Advanced Search and access to Image Generation and Deep Research, but gives no agent credits and limits file uploads to one per day, up to 25MB each; answers include ads. Pro and Max list access to ChatGPT, Gemini, and Claude models. Pro is 14.99 USD per year (billed $14.99/month, billed annually); Max is 29.99 USD per year (billed $29.99/month, billed annually). Liner is available on Android, iOS, macOS, web, Windows, as an extension, and through an API. Its listed credentials include SOC 2 Type I and II, HIPAA, and ISO 27001:2022.
Who it is for
Liner may suit researchers who need paper discovery and comparison alongside cited search, as well as professionals who draft and edit documents. Its writing tools identify sales personnel, marketers, small business owners, and consultants as intended users.
What is good
- Search answers provide citations users can check.
- Scholar supports paper comparison and literature reviews.
- Write exports documents as PDF or DOCX.
- Team data is excluded from AI training.
- Available across mobile, desktop, web, extension, and API.
What to know first
- Free plan provides zero agent credits per month.
- Free uploads are limited to one file daily.
- Free answers include ads.
Verdict
Liner brings cited search, research workflows, and document writing together, with a free plan and paid tiers. Review the upload and agent-credit limits against the work you need to do.
Liner plans and pricing
All plansCompared on AI research assistants
- Free plan
- Yes
- Paid from
- $14.99/user/mo
- Source citations
- Yes
- Deep research mode
- Yes
- Source access
- web+files
- File uploads
- Yes
- Source limit
- 5 sources
- Team workspace
- Yes
