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Duck.ai

DuckDuckGo's anonymised chat front end to models from OpenAI, Anthropic, Mistral and open-weight models.

  • DuckDuckGo
  • Cloud
  • Free tier · paid plans

Official site

Where it ranks

Tools without a benchmark of their own inherit the tier of the best model they offer.

Facts

Vendor
DuckDuckGo
Approach
Apps
Where it runs
Cloud only: needs the vendor’s service
Interface
Web app, Desktop app, Mobile app, Browser extension
Skill level
Beginner: works out of the box
Price
Free tier · paid plans
Pricing notes
Free models: GPT-6 Luna, GPT-5.4 mini, Claude 4.5 Haiku, Mistral Small 4, gpt-oss-120b, Gemma 4 31B. Plus adds GPT-5.6 Terra and Claude Sonnet 4.6; Pro adds Claude Opus 4.8 and GPT-5.6 Sol. Plan prices not on the help page.
Source code
Closed source
Last verified
19 Oct 2026

Price from duckduckgo.com, 19 Oct 2026.

Models it gives you

Sources