Use 350+ AI models in one place with Liner.

Choose a model to chat with, check the sources behind its answers with web search, and write what you need.
Liner is your AI search and research assistant for essays and reports, work research, travel plans, and everyday questions.
Skip switching between AI services and pick the right model for every question.
When you need to go further, continue with Deep Research.

[350+ AI Models in One Place]
Choose the right AI model for search, reasoning, writing, and more. Save the models you use most to Favorites and discover new ones.

- Pick the right AI model for each task
- Find models with tags and filters
- Get quick access to your favorite models
- See estimated credits for each model

[Ask in Chat, Verify With Sources]
Turn on search, and your selected model answers based on Liner's search results and shows the sources behind it. Ask follow-up questions and check the original sources whenever you need to.

- See the sources cited in each answer
- Open original sources through citation numbers
- Explore information from multiple perspectives
- Ask follow-up questions for more detail

[From Research to Drafting and Editing]
Write with the information you find, or polish what you've already written. Use AI for essays, reports, work documents, and more.

- Organize ideas and structure
- Create a draft that fits your purpose
- Refine sentences and wording
- Summarize the key points of long materials

[Compare Answers From Multiple AIs]
Send the same question to up to 4 models and see how each one approaches and explains it. Review the differences and check the sources for anything you need to verify.

- See answers from up to 4 models with one question
- Switch between each model's answer and sources in tabs
- Compare different perspectives and explanations

[Explore Further With Deep Research]
Enter a topic, and Liner finds and analyzes multiple sources, then organizes the findings into an answer with citation numbers. Explore key points and evidence together, even on complex topics.

- Research across multiple sources
- Organize key findings into tables and lists
- Check evidence with citation numbers
- Ask follow-up questions based on the results

[Find Experts That Match Your Criteria]
Search for experts by field and experience. Explore the backgrounds of professionals you'd like advice from or candidates you're looking to hire.

- Search for experts by field and experience
- Explore professionals and hiring candidates
- View experience, location, and key background

[Do More With Liner]

- Search and summarize academic papers
- Summarize PDFs and complex documents
- Summarize key points from YouTube videos

[Plan Details]

- Access to 350+ AI models is available for Pro and Max subscribers. Liner's default model is available without credits.
- Available models may change as they are released or retired.

From your first question to research and writing, start with the AI model you want on Liner.

[Terms of Service]
https://liner.com/terms