All these tools Ahrefs , INK AI , NotebookLM , KeywordSearch offer flexible pricing models suitable for SEO specialist, content writer seeking AI-powered solutions to enhance their Keyword Research efforts.
Ahrefs
- Lite - $129/month
- Standard - $249/month
- Advanced - $449/month
- Enterprise - $1499/month
- Starter - $29/month
- Webmaster Tools - Free
INK AI
- Professional - $39/month
- Enterprise - $99/month
NotebookLM
- Free - $0
KeywordSearch
These AI tools are among the best Keyword Research tools available in 2025. For SEO specialist, content writer, tools like Ahrefs , INK AI , NotebookLM , KeywordSearch help streamline the Keyword Research process by offering AI-powered features.
What is Ahrefs?
Launched in 2010 by Dmytro Gerasymenko, Ahrefs is a leading all-in-one SEO and digital marketing platform designed to deliver actionable data for businesses, marketers, and agencies. Initially focused on backlink analysis, it has evolved into a robust suite supporting SEO, content marketing, PPC, and competitor research. Boasting a database with over 11 billion keywords and 400 billion indexed pages, Ahrefs empowers users to enhance website performance, monitor rankings, and outrank global competitors. Trusted by 44% of Fortune 500 companies, it’s a top choice for data-driven marketing strategies.
What is INK AI?
INK AI was founded in 2017 by Alexander De Ridder, Michael Umansky, and Gary Haymann. It is an AI content assistant for SEO and marketing. It helps users create, optimize, and protect their content. Create visuals and text 10X faster and easier with patented SEO plus user engagement optimization that boosts your reach by 450%.
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 KeywordSearch?
KeywordSearch is a useful AI tool for finding the most effective keywords for your content to attract the right audience and increase conversions. KeywordSearch AI algorithm finds the best keywords based on various factors including search volume, competition, and relevance.
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Accuracy and Reliability:
4.7
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Cost-Efficiency:
4.5
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Customization and Flexibility:
4.8
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Data Privacy and Security:
4.6
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Ease of Use:
4.4
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Functionality and Features:
4.5
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Integration Capabilities:
4.6
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Performance and Speed:
4.2
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Support and Resources:
4.5
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Accuracy and Reliability:
4.8
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Cost-Efficiency:
4.9
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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:
4.8
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Performance and Speed:
4.9
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Support and Resources:
4.7
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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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No ratings found!
Ahrefs
Industry-leading backlink and keyword data accuracy
Comprehensive tools for SEO
content
and PPC
User-friendly interface with advanced AI features
Global support with data from 170+ countries
Trusted by 44% of Fortune 500 companies
Premium pricing for advanced plans
Limited free tier functionality
The credit-based system may confuse beginners
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
- Ahrefs
- Singapore
- INK AI
- Houston, Texas
- Mountain View, California, United States
- Not Data Available!