DuckDuckGo

Duck.ai Anonymous AI Chat

Duck.ai is DuckDuckGo's anonymizing proxy in front of third-party LLMs. Free tier currently includes Anthropic Claude 4.5 Haiku, Meta Llama 4 Scout, Mistral Small 3 24B, OpenAI GPT-4o mini / GPT-5 mini / gpt-oss-120b. Duck.ai Plus adds GPT-4o, GPT-5.2, Claude Sonnet 4.5, Llama 4 Maverick. Duck.ai Pro adds Claude Opus 4.6, higher reasoning effort and 2x usage limits. DuckDuckGo strips IP / identifiers before forwarding to upstream model providers and does not retain prompts or train on them. There is no public REST API; access is via the web UI and the in-browser integration in DuckDuckGo Browser.

GitHub

Documentation

📖
Documentation
https://duckduckgo.com/duckduckgo-help-pages/duckai/

Other Resources

🔗
Portal
https://duck.ai/
🔗
Pricing
https://raw.githubusercontent.com/api-evangelist/duckduckgo/refs/heads/main/plans/duckduckgo-plans-pricing.yml
🔗
Capabilities
https://raw.githubusercontent.com/api-evangelist/duckduckgo/refs/heads/main/capabilities/shared/duck-ai-capabilities.yaml

API entry from apis.yml

apis.yml Raw ↑ 
aid: duckduckgo:duck-ai
name: Duck.ai Anonymous AI Chat
humanURL: https://duck.ai/
baseURL: https://duck.ai
tags:
- AI Chat
- LLM Proxy
- Privacy
- Anonymous
description: Duck.ai is DuckDuckGo's anonymizing proxy in front of third-party LLMs. Free tier currently
  includes Anthropic Claude 4.5 Haiku, Meta Llama 4 Scout, Mistral Small 3 24B, OpenAI GPT-4o mini / GPT-5
  mini / gpt-oss-120b. Duck.ai Plus adds GPT-4o, GPT-5.2, Claude Sonnet 4.5, Llama 4 Maverick. Duck.ai
  Pro adds Claude Opus 4.6, higher reasoning effort and 2x usage limits. DuckDuckGo strips IP / identifiers
  before forwarding to upstream model providers and does not retain prompts or train on them. There is
  no public REST API; access is via the web UI and the in-browser integration in DuckDuckGo Browser.
properties:
- type: Documentation
  url: https://duckduckgo.com/duckduckgo-help-pages/duckai/
- type: Portal
  url: https://duck.ai/
- type: Pricing
  url: plans/duckduckgo-plans-pricing.yml
- type: Capabilities
  url: capabilities/shared/duck-ai-capabilities.yaml