Character.AI
AI Chat, Reimagined – Your Words. Your World.
VS
NotebookLM
Your AI-powered research, note-taking, and knowledge assistant.
Detailed comparison
Criteria
Character.AI
NotebookLM
Pricing
Freemium
Freemium
Plans & pricing
Free: Free, c.ai+: $9.99/mo
NotebookLM (Free Tier): Free, NotebookLM in Plus (Workspace): $14/mo, NotebookLM Pro (Google AI Pro): $19.99/mo, NotebookLM Ultra (Google AI Ultra): $249.99/mo, NotebookLM for Enterprise: $9/mo
Free trial
No
Yes
Audience
b2c
b2c
Platforms
Web, Ios, Android
Web, Ios, Android
API
No
No
Open Source
Proprietary
Proprietary
Integrations
—
Google drive
Categories
Chatbots
Productivity, Education
Popularity
Very High
Very High
Description
Character.AI is an AI chatbot platform where users can create and interact with AI characters powered by large language models. These characters can b...
NotebookLM is an AI-powered research and note-taking tool from Google, leveraging Gemini models to help you synthesize information and build a compreh...
Pricing
Character.AI
Freemium
NotebookLM
Freemium
Plans & pricing
Character.AI
Free: Free, c.ai+: $9.99/mo
NotebookLM
NotebookLM (Free Tier): Free, NotebookLM in Plus (Workspace): $14/mo, NotebookLM Pro (Google AI Pro): $19.99/mo, NotebookLM Ultra (Google AI Ultra): $249.99/mo, NotebookLM for Enterprise: $9/mo
Free trial
Character.AI
No
NotebookLM
Yes
Audience
Character.AI
b2c
NotebookLM
b2c
Platforms
Character.AI
Web, Ios, Android
NotebookLM
Web, Ios, Android
API
Character.AI
No
NotebookLM
No
Open Source
Character.AI
Proprietary
NotebookLM
Proprietary
Integrations
Character.AI
—
NotebookLM
Google drive
Categories
Character.AI
Chatbots
NotebookLM
Productivity, Education
Popularity
Character.AI
Very High
NotebookLM
Very High
Description
Character.AI
Character.AI is an AI chatbot platform where users can create and interact with AI characters powered by large language models. These characters can b...
NotebookLM
NotebookLM is an AI-powered research and note-taking tool from Google, leveraging Gemini models to help you synthesize information and build a compreh...
Features
Character.AI
Create and customize AI characters with unique personalities and backstories
Engage in advanced, context-aware conversations with AI characters
Utilize voice chat to speak directly with AI characters
Participate in group chats with multiple users and AI characters
Benefit from continuous improvements in character memory for consistent interactions
Access creator tools for fine-tuning character behavior and responses
NotebookLM
Multi-source AI grounding (PDFs, Docs, YouTube, audio)
AI-powered Summaries, Reports & Quizzes
Audio & Video Overviews with AI narration
Interactive Mind Maps & Visualizations
Enhanced Chat & Notebook Sharing
Mobile App & Google Drive Integration
Key differentiators
Character.AI
- User-created, customizable AI characters
- Advanced, context-aware conversations
- Voice & group chat capabilities
NotebookLM
- Google AI, Gemini-powered
- Multi-source AI grounding
- Hallucination-free content grounding
Other comparisons
FAQ: Character.AI vs NotebookLM
Character.AI: AI Chat, Reimagined – Your Words. Your World.. NotebookLM: Your AI-powered research, note-taking, and knowledge assistant.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Character.AI is freemium and NotebookLM is freemium.
The best choice between Character.AI and NotebookLM depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Both are primarily designed for individuals. The choice depends on which specific features you need.
Character.AI offers: Create and customize AI characters with unique personalities and backstories, Engage in advanced, context-aware conversations with AI characters, Utilize voice chat to speak directly with AI characters, Participate in group chats with multiple users and AI characters. NotebookLM offers: Multi-source AI grounding (PDFs, Docs, YouTube, audio), AI-powered Summaries, Reports & Quizzes, Audio & Video Overviews with AI narration, Interactive Mind Maps & Visualizations.
Based on our data, NotebookLM currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.