In the catalog since Aug 19, 2026
Duck.ai
6index_DuckDuckGoCompany
Assistant from search engine DuckDuckGo: chat with other companies' models through an anonymous layer, with no training on conversations. A bet on privacy instead of its own model.
Facts
- Free model lineup as of Aug 19, 2026: Claude 4.5 Haiku, Mistral Small 4, GPT-5.4 nano, and GPT-5.4 mini, plus gpt-oss-120b and Gemma 4 31B hosted by Tinfoil (DuckDuckGo help for Duck.ai, Aug 19, 2026).
- Paid tiers follow the search-engine subscription: Plus adds GPT-5.4 and Claude Sonnet 4.6, while Pro also adds Claude Opus 4.8, a higher reasoning level, and double the limits (DuckDuckGo help, Aug 19, 2026).
- Product policy: the company does not store prompts, does not share users' identities with models, and prohibits providers from training on conversations (DuckDuckGo help center, Aug 19, 2026).
- The service launched in June 2024 as DuckDuckGo AI Chat and later received the separate duck.ai address (TechRepublic and AlternativeTo, June 2024; address verified Aug 19, 2026).
The full card is in the works: the "worth it or not" verdict, pricing and a comparison with neighbors will appear as it moves through the card factory.