Character.AI
Chat, call and role-play with millions of user-made AI characters
Freemium
Duck.ai
Chat with ChatGPT, Claude and other AI models without handing over your data
Freemium
Verdict
Character.AI and Duck.ai are both AI Assistants tools. Duck.ai scores higher in FinderAtlas's editorial review (7.8 vs 7.6 out of 10), led by ease of use and value for money. Both have a free plan or trial. Only Character.AI is available on iOS and Android.
Best overall
Duck.ai
- Privacy-conscious users
- Casual AI chatbot users
- Professionals handling sensitive information
- Users comparing multiple AI models
Choose Character.AI if
- You want a tool built for character role-play.
- Free tier with unlimited messaging and character creation.
- Large catalog of user-created characters.
Choose Duck.ai if
- You want a tool built for everyday questions and drafting where you do not want chats tied to an account or used for training, and trying several models in one place.
- Free tier works without an account.
- Personal metadata such as IP address is removed before prompts reach providers.
- Best for beginners
- Character.AI
- Best for business
- Duck.ai
Features
17 features compared.
- Character chatCharacter.AIAvailableDuck.aiNot available
- Character creationCharacter.AIAvailableDuck.aiNot available
- Voice callsCharacter.AIAvailableDuck.aiNot available
- Memory and pinsCharacter.AIAvailableDuck.aiNot available
- LorebooksCharacter.AIAvailableDuck.aiNot available
- Image attachmentsCharacter.AIAvailableDuck.aiNot available
- CharmsCharacter.AIAvailableDuck.aiNot available
- Mobile appsCharacter.AIAvailableDuck.aiNot available
- Multi-model chatCharacter.AINot availableDuck.aiAvailable
- No account requiredCharacter.AINot availableDuck.aiAvailable
- Metadata removalCharacter.AINot availableDuck.aiAvailable
- No training on chatsCharacter.AINot availableDuck.aiAvailable
- Local recent chatsCharacter.AINot availableDuck.aiAvailable
- Voice chatCharacter.AINot availableDuck.aiAvailable
- Image generationCharacter.AINot availableDuck.aiAvailable
- File and image uploadCharacter.AINot availableDuck.aiAvailable
- Subscription bundleCharacter.AINot availableDuck.aiAvailable
Pricing
Plans as listed by each vendor. Check their sites for current prices.
- Pricing modelCharacter.AIFreemiumDuck.aiFreemium
- Free planCharacter.AIYesDuck.aiYes
- Starting priceCharacter.AI$0Duck.ai$0
- PlansCharacter.AI3 plansDuck.ai3 plans
Character.AI plans
Free
$0
Free chat with ads and slow mode
- Free messaging
- Character creation
- Basic memory
- 15 pins
- Basic lorebook
(c.ai) lite
$4.99/month
Mid-tier plan with fewer ads
- Fewer ads
- Better memory
- 30 pins
- Detailed memory usage
- Less slow mode
c.ai+
Most popular$9.99/month
Top tier with no ads
- No ads
- Best memory
- 30 pins
- Advanced lorebook
- Highest feature limits
- No slow mode
Duck.ai plans
Free
$0
No-account access to smaller models within daily limits
- Text chat
- Voice chat
- Image generation
- Daily usage limits
Plus
Most popular$9.99/month
DuckDuckGo subscription with advanced models and privacy bundle
- Advanced models
- Reasoning models
- VPN
- Personal Information Removal
- Identity Theft Restoration
Pro
$19.99/month
Highest reasoning models and doubled usage
- Everything in Plus
- Claude Opus access
- Highest reasoning effort
- 2x Plus usage limits
Our ratings
Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.
- Character.AI
- 7.6overall
- Duck.ai
- 7.8overall
Character.AI leads in 0 categories and Duck.ai in 2.
Persona Fidelity & Memory
- Character.AI
- 7.8
- Duck.ai
- Not rated
Conversational Engagement
- Character.AI
- 8.5
- Duck.ai
- Not rated
Ease of Use
Duck.ai leads by 0.5- Character.AI
- 8.5
- Duck.ai
- 9.0
Value for Money
Duck.ai leads by 0.5- Character.AI
- 7.5
- Duck.ai
- 8.0
Platform Stability
- Character.AI
- 5.5
- Duck.ai
- Not rated
Feature Depth
- Character.AI
- Not rated
- Duck.ai
- 7.0
Performance & Speed
- Character.AI
- Not rated
- Duck.ai
- 7.5
Documentation & Support
- Character.AI
- Not rated
- Duck.ai
- 7.5
Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.
Pros and cons
Character.AI
Pros
- Free tier with unlimited messaging and character creation
- Large catalog of user-created characters
- Text chat plus live voice calls
- Apps for web, iOS and Android
- Lower-priced (c.ai) lite plan at $4.99 per month
Cons
- Company filed for Chapter 11 on October 12, 2026, so the platform's future depends on a sale
- Free users see ads and slow mode
- Best memory, lorebook and limits are reserved for c.ai+ at $9.99 per month
- No public API and no pricing page on the website
Duck.ai
Pros
- Free tier works without an account.
- Personal metadata such as IP address is removed before prompts reach providers.
- Chats are not used for training by DuckDuckGo, and providers agree not to train on them.
- Several providers' models are available from one interface.
- Plus ($9.99/month) bundles a VPN and identity protection services.
Cons
- Free tier is limited by daily usage caps, and the paid limits are not published as numbers.
- Strongest models are subscriber-only, and the top tier costs $19.99/month.
- No public API and no standalone mobile app found.
- Chat history is local by default, so it does not sync across devices without opting into Sync & Backup.
Platforms
- WebCharacter.AISupportedDuck.aiSupported
- WindowsCharacter.AINot supportedDuck.aiNot supported
- macOSCharacter.AINot supportedDuck.aiNot supported
- iOSCharacter.AISupportedDuck.aiNot supported
- AndroidCharacter.AISupportedDuck.aiNot supported
- APICharacter.AINot supportedDuck.aiNot supported
- Browser ExtensionCharacter.AINot supportedDuck.aiNot supported
Integrations
Character.AI
No integrations listed.
Duck.ai
2 integrations- DuckDuckGo Search
- DuckDuckGo Browser
Company
- CompanyCharacter.AICharacter Technologies, Inc.Duck.aiDuckDuckGo
- FoundedCharacter.AI2021Duck.ai2008
- HeadquartersCharacter.AIMenlo Park, CADuck.aiPaoli, PA
- ListingCharacter.AIClaimedDuck.aiClaimed
Featured AI Assistants
Picked by our editors. Not paid placement.
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Related comparisons
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Frequently asked questions
Is Character.AI better than Duck.ai?
It depends on your workflow. Character.AI is built for character role-play. Duck.ai is built for everyday questions and drafting where you do not want chats tied to an account or used for training, and trying several models in one place.
What are the key feature differences between Character.AI and Duck.ai?
Character.AI: Chat, call and role-play with millions of user-made AI characters. Duck.ai: Chat with ChatGPT, Claude and other AI models without handing over your data.
Does Character.AI or Duck.ai have a free plan?
Yes, both do. Character.AI is freemium and Duck.ai is freemium, and each has a free plan or trial.
Which is cheaper, Character.AI or Duck.ai?
Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.