The only AI search engine you ever need
The only AI search engine you ever need
The only AI search engine you ever need
Users around the world have saved hours with Liner
What do you get with a Professional Plan?
Professional
The World’s Most Accurate AI
Liner Pro outperformed other AI search tools by achieving the highest score on the SimpleQA benchmark. SimpleQA, developed by OpenAI, is the leading benchmark for evaluating the factual accuracy of language models.
Professional
Top AI Models, All in One Place
Liner Pro offers the top 8 AI models, created by OpenAI, Anthropic, Google and Meta. You can choose the best model for any question. We're constantly evaluating and integrating the latest and most advanced AI models to ensure our users always have access to the best technology for their research needs.
Professional
Work with Files & Images
Liner Pro reads files (pdf, ppt, docx, etc) and images. Summarize, analyze, or translate the files.
Professional
Advanced Reasoning
Enhance answer accuracy with detailed thinking. DeepSeek's new model R1 is securely hosted in the US.
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Frequently asked questions about Liner’s pricing
Can I use Liner for free?
Yes, you can use Liner for free. However, subscription membership is required to use advanced features as described above.
What payment methods do you accept?
Liner accepts major credit cards and PayPal. For more information, please contact us.
Do you offer refunds?
We do not offer refunds but you can cancel your subscription before it automatically renews or before your free trial ends. To cancel your subscription, please visit Settings - Subscription.
How do I cancel my paid plan?
If you paid with card, please visit the settings page on our website to cancel your plan. If you paid by PayPal, you need to cancel it on PayPal settings page. Subscription will be automatically started or renewed until you cancel the plan.
If you paid but were not upgraded.
Upgrade can take time depending on the network condition. Please wait 5-10 minutes or refresh the page. If your account is still not upgraded, please contact us.