Compare Launch app →
Character.AI vs NotebookLM
Compare Character.AI vs NotebookLM: pricing, context window, benchmarks (coding, math, reasoning), capabilities. Updated April 2026.
Open in compare tool — pick different models →Character.AI
character.ai ↗ NotebookLM
notebooklm.google.com ↗ Pricing
Free tier
Most features free; unlimited messages
Free, generous; Plus included with Google AI Pro
Standard plan
c.ai+ — $9.99/mo
Google AI Pro — $20/mo
Top plan
c.ai+ — $9.99/mo
Google AI Ultra — $250/mo
API input / 1M tokens
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API output / 1M tokens
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Capability
Context window
8K
1M Best
Max output tokens
2K
8K Best
Knowledge cutoff
2024-06
Live (web)
Benchmarks
Coding (LiveCodeBench)
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Math (AIME 2025)
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Reasoning (GPQA Diamond)
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Human pref. (LMArena Elo)
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Features
Image input
Partial
Partial
Voice mode
✓
Partial
Web search
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✓
File upload
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✓
Image generation
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Code execution
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Agent / tool use
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Persistent memory
✓
✓
Character.AI
Roleplay and companion focus, not a general assistant. Massive Gen-Z user base. Voice calls with characters. Different intent than chat-AI competitors.
NotebookLM
Document research specialist — not a general chat assistant. Generates podcast-style "Audio Overview" from your sources. Best for grounded study and literature review.
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Get all 2 of them — plus 30+ more — for $14.99/month.
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