All these tools NotebookLM , Grok AI , Caktus AI offer flexible pricing models suitable for students, office workers seeking AI-powered solutions to enhance their PDF Compressor efforts.
NotebookLM
- Free - $0
Grok AI
Caktus AI
- Base - $14.99 per month
- Pro - $19.99 per month
- Annual Base - $6.67 per month
- Annual Pro - $8.33 per month
These AI tools are among the best PDF Compressor tools available in 2025. For students, office workers, tools like NotebookLM , Grok AI , Caktus AI help streamline the PDF Compressor process by offering AI-powered features.
What is NotebookLM?
NotebookLM is an AI-powered research assistant developed by Google. It uses Google's Gemini 1.5 Pro model. It's designed to help users quickly extract information and insights from their documents. Users can easily import documents in various file formats.
What is Grok AI?
Grok 3 is an advanced AI chatbot developed by Elon Musk's xAI, designed to surpass other AI chatbots like OpenAI’s ChatGPT. This next-generation model is built with cutting-edge features aimed at providing enhanced user experiences.
What is Caktus AI?
Caktus AI is a best-in-class study tool for students. This tool is useful for doing homework and learning. Students can use 40 different tools that help in writing, math homework, and learning. Caktus AI provides high quality AI powered educational results. Caktus AI also provides coding help for students. From Python to Java it supports 10+ programming languages.
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Accuracy and Reliability:
4.9
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Cost-Efficiency:
4.8
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Customization and Flexibility:
4.9
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Data Privacy and Security:
4.8
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Ease of Use:
4.7
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Functionality and Features:
4.9
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Integration Capabilities:
4.6
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Performance and Speed:
4.5
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Support and Resources:
4.8
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Accuracy and Reliability:
4.9
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Cost-Efficiency:
5
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Customization and Flexibility:
4.9
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Data Privacy and Security:
4.9
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Ease of Use:
4.8
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Functionality and Features:
4.6
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Integration Capabilities:
4.6
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Performance and Speed:
4.6
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Support and Resources:
4.8
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Accuracy and Reliability:
4.6
-
Cost-Efficiency:
4.8
-
Customization and Flexibility:
4.9
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Data Privacy and Security:
4.7
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Ease of Use:
4.5
-
Functionality and Features:
4.9
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Integration Capabilities:
4.5
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Performance and Speed:
4.8
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Support and Resources:
4.2
NotebookLM
Personalized Assistance
In-Line Citations
Privacy
Efficient Research
Collaborative Features
Dependence on Source Quality
Data Privacy Concerns
Compatibility Issues
Beta Status
Static Document Uploads
Caktus AI
Generated content is plagiarism-free.
Human-like output responses.
Extensive range of features.
65+ innovative AI tools.
Useful for both teachers and students.
Slower than other similar AI tools.
Premium features are a bit pricey.
It may require some time to learn all the tools.
Students may become over-reliant on AI.
If you're looking for other PDF Compressor tools for students, office workers, you can also explore Smallpdf, which are highly rated in 2025.
- Mountain View, California, United States
- X
- Bastrop, Texas
- Caktus
- Newyork