ChatGPT
OpenAI's AI assistant for writing, research, coding, image generation and voice chat
4.0(1 review)Freemium
Duck.ai
Chat with ChatGPT, Claude and other AI models without handing over your data
Freemium
Verdict
ChatGPT and Duck.ai are both AI Assistants tools. ChatGPT scores higher in FinderAtlas's editorial review (8.9 vs 7.8 out of 10). Both have a free plan or trial. Only ChatGPT is available on Windows, macOS and iOS.
Best overall
ChatGPT
- Students
- Writers
- Software Developers
- Researchers
Choose ChatGPT if
- You want a tool built for everyday questions, drafting and editing text, summarizing documents, coding help, data analysis and image generation in one assistant.
- One assistant covers text, voice, images, file analysis, search and coding.
- Free tier lets users try the service without a card.
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
- ChatGPT
- Best for business
- ChatGPT
Features
16 features compared.
- Chat with web searchChatGPTAvailableDuck.aiNot available
- Voice modeChatGPTAvailableDuck.aiNot available
- Image generationChatGPTAvailableDuck.aiAvailable
- File and image analysisChatGPTAvailableDuck.aiNot available
- ProjectsChatGPTAvailableDuck.aiNot available
- ChatGPT agentChatGPTAvailableDuck.aiNot available
- CodexChatGPTAvailableDuck.aiNot available
- Connectors and appsChatGPTAvailableDuck.aiNot available
- Multi-model chatChatGPTNot availableDuck.aiAvailable
- No account requiredChatGPTNot availableDuck.aiAvailable
- Metadata removalChatGPTNot availableDuck.aiAvailable
- No training on chatsChatGPTNot availableDuck.aiAvailable
- Local recent chatsChatGPTNot availableDuck.aiAvailable
- Voice chatChatGPTNot availableDuck.aiAvailable
- File and image uploadChatGPTNot availableDuck.aiAvailable
- Subscription bundleChatGPTNot availableDuck.aiAvailable
Pricing
Plans as listed by each vendor. Check their sites for current prices.
- Pricing modelChatGPTFreemiumDuck.aiFreemium
- Free planChatGPTYesDuck.aiYes
- Starting priceChatGPT$0Duck.ai$0
- PlansChatGPT8 plansDuck.ai3 plans
ChatGPT plans
Free
$0
Limited access to OpenAI's models for everyday use
- Limited messages
- Limited file uploads
- Limited image generation
- May show ads in some regions
Go
$8/month
Low-cost plan with more usage than Free
- More messages than Free
- More uploads and image generation
- May show ads
Plus
Most popular$20/month
For individuals who want more capable models and higher limits
- Access to more advanced models
- Projects
- Expanded Codex
- Higher limits for research and voice
Pro 100
$100/month
High-volume use for research and coding
- About 5x Plus usage
- Everything in Plus
Pro 200
$200/month
Higher usage than Pro 100
- About 20x Plus usage
- Everything in Plus
Pro 500
$500/month
Highest usage tier
- Highest usage limits
- Ultrafast model variants
- Everything in Plus
Business
$25/user/mo
For small teams, with a two-seat minimum
- Shared workspace
- Admin controls
- Business data not used for training by default
Enterprise
Custom/user/mo
For large organizations, priced by contract
- Single sign-on
- Admin and security controls
- Dedicated support
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.
- ChatGPT
- 8.9overall
- Duck.ai
- 7.8overall
General Reasoning & Logic
- ChatGPT
- 9.0
- Duck.ai
- Not rated
Conversational Fluency
- ChatGPT
- 9.2
- Duck.ai
- Not rated
Coding & Data Analysis
- ChatGPT
- 8.8
- Duck.ai
- Not rated
Multimodal Processing
- ChatGPT
- 9.0
- Duck.ai
- Not rated
Ecosystem & Integrations
- ChatGPT
- 8.7
- Duck.ai
- Not rated
Ease of Use
- ChatGPT
- Not rated
- Duck.ai
- 9.0
Feature Depth
- ChatGPT
- Not rated
- Duck.ai
- 7.0
Value for Money
- ChatGPT
- Not rated
- Duck.ai
- 8.0
Performance & Speed
- ChatGPT
- Not rated
- Duck.ai
- 7.5
Documentation & Support
- ChatGPT
- 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
ChatGPT
Pros
- One assistant covers text, voice, images, file analysis, search and coding
- Free tier lets users try the service without a card
- Apps for web, iOS, Android, macOS and Windows with synced history
- Large ecosystem of connectors, projects and agent features
- Plans range from $8 to $500 per month, so users can match spend to usage
Cons
- Free and Go usage limits are low and may include ads
- Pricing and model lineup change often, which makes limits hard to compare over time
- Answers can be wrong and need checking, especially for facts and citations
- The top Pro tiers cost $100 to $500 per month
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
- WebChatGPTSupportedDuck.aiSupported
- WindowsChatGPTSupportedDuck.aiNot supported
- macOSChatGPTSupportedDuck.aiNot supported
- iOSChatGPTSupportedDuck.aiNot supported
- AndroidChatGPTSupportedDuck.aiNot supported
- APIChatGPTNot supportedDuck.aiNot supported
- Browser ExtensionChatGPTNot supportedDuck.aiNot supported
Integrations
ChatGPT
2 integrations- Gmail
- MCP connectors
Duck.ai
2 integrations- DuckDuckGo Search
- DuckDuckGo Browser
Company
- CompanyChatGPTOpenAIDuck.aiDuckDuckGo
- FoundedChatGPT2015Duck.ai2008
- HeadquartersChatGPTSan Francisco, CADuck.aiPaoli, PA
- ListingChatGPTClaimedDuck.aiClaimed
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Frequently asked questions
Is ChatGPT better than Duck.ai?
It depends on your workflow. ChatGPT is built for everyday questions, drafting and editing text, summarizing documents, coding help, data analysis and image generation in one assistant. 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 ChatGPT and Duck.ai?
ChatGPT: OpenAI's AI assistant for writing, research, coding, image generation and voice chat. Duck.ai: Chat with ChatGPT, Claude and other AI models without handing over your data. ChatGPT is rated 4.0/5 from 1 user review.
Does ChatGPT or Duck.ai have a free plan?
Yes, both do. ChatGPT is freemium and Duck.ai is freemium, and each has a free plan or trial.
Which is cheaper, ChatGPT 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.