If you’ve been curious about AI chat tools but felt intimidated by the idea of signing up for yet another account, creating a password, handing over your email, and wondering what’s being done with your data — Duck.ai might be exactly what you’ve been waiting for.
What Is Duck.ai?
Duck.ai is a free AI chat service from DuckDuckGo, the privacy-focused search engine you may already know and love. Launched in 2025, it gives anyone instant access to multiple popular AI models — no account, no login, no credit card. Just go to duck.ai and start chatting.
The Big Deal: Total Privacy, Zero Friction
Most AI chat tools require you to sign up, and once you do, your conversations can be used to train future AI models. Duck.ai flips that.
DuckDuckGo acts as a privacy middleman — your chats are anonymized before they even reach the AI model, and none of your conversations are stored on their servers or used for AI training. Your recent chats are saved locally on your device only, and you can wipe them any time with a single click using DuckDuckGo’s signature “Fire Button.”
I use Duck.ai with the Mullvad browser on my desktop; Mullvad wipes everything clean when you shut down the browser. The default browser settings, if left unchanged, don’t save browsing history, open tabs, or Duck.ai chats. I also have a shortcut on my phone that opens Duck.ai in Firefox.
For anyone who’s ever hesitated to type something into ChatGPT because they weren’t sure who was watching — Duck.ai is a breath of fresh air.
Multiple AI Models to Explore for Free
One of the coolest things about Duck.ai is that it’s not locked into a single AI. The free version gives you access to several well-known models, including:
- GPT-4o mini and GPT-5 mini from OpenAI
- Claude 4.5 Haiku from Anthropic
- Llama 4 Scout from Meta
- Mistral Small 3 from Mistral AI
Each model has its own personality and strengths. You can switch between them mid-session to compare answers, explore different writing styles, or just figure out which one clicks for you. This makes Duck.ai a fantastic sandbox for anyone just getting started with AI.
What Can You Actually Do With It?
Duck.ai is great for everyday tasks like:
- Asking questions — get clear explanations on any topic.
- Writing help — drafting emails, brainstorming ideas, editing text.
- Summarizing — paste in an article or a wall of text and ask for a summary.
- Learning something new — ask it to explain a concept like you’re a beginner.
- Just exploring — have a conversation and see where it goes.
It’s also deeply integrated with DuckDuckGo search, so you can jump between chat mode and search results naturally as you research a topic.
New in 2026: Voice Mode
Duck.ai recently added real-time voice chat, letting you speak your prompts instead of typing them. It follows the same privacy principles — audio isn’t stored after your chat ends. It’s currently available on most major browsers and is rolling out broadly.
Who Is Duck.ai Perfect For?
- Complete beginners who want to try AI without the commitment of an account.
- Privacy-conscious users who don’t want their conversations tracked or used for training.
- Curious explorers who want to compare different AI models side by side.
- Anyone on a budget — the core features are completely free.
How to Get Started
Seriously, it couldn’t be simpler:
- Open your browser and go to duck.ai
- Pick a model from the dropdown (or start with the default)
- Type your first question or prompt
- That’s it — you’re doing AI
No email. No password. No waiting for a confirmation link. Duck.ai is proof that getting started with AI doesn’t have to be complicated — or invasive.