All these tools Spellar AI , Fireflies.ai , NotebookLM offer flexible pricing models suitable for AI researcher, machine learning engineer seeking AI-powered solutions to enhance their Artificial General Intelligence (AGI) efforts.
Spellar AI
Fireflies.ai
- Free - $0
- Pro Plan - $10/seat/month (billed annually)
- Business Plan - $19/seat/month (billed annually)
- Enterprise Plan - $39/seat/month (billed annually)
NotebookLM
- Free - $0
These AI tools are among the best Artificial General Intelligence (AGI) tools available in 2026. For AI researcher, machine learning engineer, tools like Spellar AI , Fireflies.ai , NotebookLM help streamline the Artificial General Intelligence (AGI) process by offering AI-powered features.
What is Spellar AI?
Spellar AI is an innovative, bot-free AI meeting note-taker launched in 2023, designed to enhance productivity by automating note-taking and analysis for macOS, iOS, iPad, and web users. As of June 4, 2025, at 03:58 PM IST, Spellar has gained recognition for its ability to transcribe conversations in over 100 languages, generate smart summaries, and integrate seamlessly with tools like Notion, Google Docs, Jira, and Confluence. It is particularly valued for its privacy-centric approach and cross-platform accessibility, making it a top choice for professionals, students, and remote teams.
What is Fireflies.ai?
Fireflies.ai is an application that uses technology to take and summarize the minutes of meetings. It works with Google Meet, Team, and Zoom, where people can record or translate audio and even video. Some of the features are meeting note templates, integration capabilities, collaborative tools, and productivity analytics such as speakers’ words said and sentiment analysis. It also operates with notes in the CRM systems and generates tasks in collaborating apps of work flows. It has basic and premium plans and is suitable for one person, a small group, or a large company.
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.
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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:
4.5
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Performance and Speed:
4.8
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Support and Resources:
4.9
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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
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
If you're looking for other Artificial General Intelligence (AGI) tools for AI researcher, machine learning engineer, you can also explore ObjectAGI, which are highly rated in 2025.
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- Fireflies.ai
- Pleasanton, CA
- Mountain View, California, United States