# Duck.ai Anonymous AI Chat

**Canonical:** https://apis.io/apis/duckduckgo/duck-ai/  
**Provider:** DuckDuckGo — https://apis.io/providers/duckduckgo/  
**Base URL:** https://duck.ai  
**Documentation:** https://duck.ai/

Duck.ai Anonymous AI Chat is one of 5 APIs that [DuckDuckGo](https://apis.io/providers/duckduckgo/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include AI Chat, LLM Proxy, Privacy, and Anonymous. The published artifact set on APIs.io includes API documentation and pricing.

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.

## Machine-readable artifacts (4)

- **Documentation** — https://duckduckgo.com/duckduckgo-help-pages/duckai/
- **Portal** — https://duck.ai/
- **Pricing** — https://raw.githubusercontent.com/api-evangelist/duckduckgo/refs/heads/main/plans/duckduckgo-plans-pricing.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/duckduckgo/refs/heads/main/apis.yml

## Other DuckDuckGo APIs (4)

- [DuckDuckGo Tracker Radar Dataset](https://apis.io/apis/duckduckgo/tracker-radar/)
- [DuckDuckGo !Bang Redirector](https://apis.io/apis/duckduckgo/bang-redirector/)
- [DuckDuckGo Bangs API](https://apis.io/apis/duckduckgo/duckduckgo-bangs-api/)
- [DuckDuckGo Instant Answers API](https://apis.io/apis/duckduckgo/duckduckgo-instant-answers-api/)

## Tags

AI Chat, LLM Proxy, Privacy, Anonymous

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/duckduckgo/duck-ai/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/duckduckgo/.