✓ 100% no sign-up — every listing verified
No-Signup AI Agents Directory
Twelve AI agents, each personally checked: open the link, start using it, no account created. If a provider adds a signup wall later, it gets removed from this list.
💬 AI Chat — no login required
✓ No sign-up
Duck.ai
- One-line review
- DuckDuckGo's private AI chat. Switch between GPT, Claude, Llama and Mistral models; prompts are anonymized before reaching providers.
- Best for
- Private everyday chat.
- Limits
- Daily usage caps on the free tier; chat history stays on your device only.
Open duck.ai
✓ No sign-up
LMArena
- One-line review
- Chat with two anonymous frontier models side by side, vote for the better answer, then see which models they were.
- Best for
- Honestly comparing GPT vs Claude vs Gemini for free.
- Limits
- Battle format by design; account optional for history.
Open lmarena.ai
✓ No sign-up
Venice.ai
- One-line review
- Private AI chat that runs stateless — nothing saved unless you choose to. Core access needs no signup.
- Best for
- Private long-form conversations.
- Limits
- Free tier around 10 text prompts/day; image prompts are filtered on the free plan.
Open venice.ai
✓ No sign-up
Perchance
- One-line review
- One of the last truly unlimited, account-free AI platforms — community-built chat and image generators, ad-supported.
- Best for
- Casual chat and endless experimentation.
- Limits
- Older models, no memory between sessions, variable quality.
Open perchance.org
✓ No sign-up
Brave Leo
- One-line review
- The AI assistant built into the Brave browser. No account, no tracking — it lives where you already browse.
- Best for
- Brave users who want AI without another account.
- Limits
- Requires the Brave browser; premium models need a subscription.
Get Brave Leo
✓ No sign-up
Andi
- One-line review
- Conversational search that answers in plain language instead of ten blue links. No login, just ask.
- Best for
- Quick research answers without account friction.
- Limits
- Search-focused; not a general-purpose chatbot.
Open Andi
✓ No sign-up
Wsup.ai
- One-line review
- Lightweight anonymous AI chat in the browser. Open the page and type — that's the whole onboarding.
- Best for
- Quick questions with zero ceremony.
- Limits
- Smaller service; availability can vary.
Open wsup.ai
🎨 Image Generation — no login required
✓ No sign-up
Pollinations.ai
- One-line review
- Free text-to-image with no key and no account — the engine behind countless demos, with a simple web UI.
- Best for
- Instant generations and API experiments.
- Limits
- Shared public queue; be kind with request volume.
Open pollinations.ai
✓ No sign-up
Craiyon
- One-line review
- The classic free image generator: nine images per prompt, no account, no limits.
- Best for
- Fun concepts and memes.
- Limits
- Low resolution and dated models — charm over quality.
Open craiyon.com
✓ No sign-up
Raphael AI
- One-line review
- Unlimited text-to-image in basic mode with no sign-up, running surprisingly capable modern models.
- Best for
- Higher-quality free generations.
- Limits
- Basic outputs may carry a watermark; expect a queue at peak times.
Open raphael.app
✓ No sign-up
DeepAI
- One-line review
- Simple, fast image generator with a small free allowance and no account needed.
- Best for
- One-off quick images.
- Limits
- Roughly 5 generations/day without an account.
Open deepai.org
✓ No sign-up
Mage.space
- One-line review
- Browser-based Stable Diffusion (SDXL and 160+ models) with a free tier that asks for nothing.
- Best for
- Stable-Diffusion-style art without setup.
- Limits
- Free tier has speed and queue limits.
Open mage.space
A note on "no sign-up": it describes the front door, not what happens inside.
An account-free site can still log IPs or train on prompts. Don't paste secrets into any free AI tool —
signed up or not.
Last verified: 2026-10-11 · 12 agents listed. Know a no-signup agent we missed? Tell us and we'll verify it.