Best Free AI Chatbots With No Sign-Up Required (2026)

Sometimes you just want to ask a question without another password, another marketing email, or another company building a profile around your midnight questions about a weird rash. Several of the best chatbots still let you do exactly that.

The catch is that "no sign-up" means different things at different companies. Some give you nearly the full product; others hand you a stripped-down version and nudge you to log in. The privacy story ranges from "we strip your IP address and don't keep anything" to "your chats fall under our general privacy policy, good luck."

Here's what each one gives you logged out, what you lose, and how your chats are handled. Logged-out access changes often and quietly, so treat this as accurate as of September 2026.

Quick picks

• Best overall: Duck.ai. Several models to pick from, no account, and the strongest privacy promises of any mainstream option.
• Best raw capability: ChatGPT, logged out. Still the most polished general-purpose assistant you can use without an email address.
• Best for research: Perplexity. Every answer comes with sources you can click and check.
• Most private: Brave Leo, if you're willing to use the Brave browser. Duck.ai is a very close second and works in any browser.
• Fine in a pinch: Microsoft Copilot and Google Gemini. Both work logged out on the web, but they're clearly built to push you toward signing in.

At a glance

Logged-out access as of September 2026

Feature	WinnerDDuck.ai	CChatGPT (logged out)	PPerplexity	BBrave Leo	MMicrosoft Copilot	GGoogle Gemini
Our rating	4.5	4.3	4.1	4.0	3.7	3.6
Pricing	Free, no account	Free, no account	Free, no account	Free, no account (Brave browser)	Free, no account (web)	Free, no account (web only)
Best for	Private everyday chat with a choice of models	Quick, capable answers from the best-known chatbot	Sourced answers and quick research	Summarizing the page you're reading, privately	Casual questions if you already live in Edge or Windows	A quick second opinion from Google's model
Works with no account	Yes	Yes	Yes	Yes	Yes	Yes
Pick your model	Yes	No	No	Yes	No	No
Needs an install	No	No	No	Yes	No	No
Chat history kept	On your device	Session only	14 days	On your device	No	No
Training on your chats	No	Opt-out toggle	Default on	No	No	Google policy

A note on mobile: Duck.ai also lives inside DuckDuckGo's apps and Leo inside Brave's, neither of which needs an account. For the others, we're only confident about the web versions. Gemini's mobile apps, for example, still require a Google account, and Microsoft's Store app has started showing a sign-in wall for some users.

Duck.ai

D

Duck.ai Our pick

4.5

Visit Duck.ai(opens in a new tab)

Pricing

Free, no account

Best for

Private everyday chat with a choice of models

• What you get without an account: a choice of models, a daily allowance of free messages, and chats saved locally on your device.
• What you give up: the bigger paid models and higher limits.
• Best for: anyone who wants a solid everyday assistant without handing over identity or history.

DuckDuckGo's chatbot is the most sensible default here. Go to duck.ai, pick a model, and type. No account screen, no nag after three messages.

The model menu is the big draw. As of September 2026, DuckDuckGo lists Claude Haiku 4.5, Mistral Small 4, GPT-5.4 nano and mini, gpt-oss-120b and Gemma 4 31B as free options, and MakeUseOf reported in August that OpenAI's GPT-5.6 Luna is now the free default. None are flagships (those sit behind DuckDuckGo's Plus and Pro plans), but switching between a Claude and a GPT model on the same question is genuinely useful when one answer seems off.

Usage is capped. DuckDuckGo says free use runs within daily limits that reset at midnight UTC, and it doesn't publish a fixed message count because different models cost different amounts. Some models also accept image and PDF uploads, which is rare for a no-account tool.

Privacy: this is where Duck.ai earns the top spot. According to its privacy terms, DuckDuckGo removes metadata like your IP address before forwarding a prompt, so the request looks like it came from DuckDuckGo, not you. Its agreements bar model providers from using your prompts to train models and require deletion within 30 days at most. Recent chats are stored locally in your browser, and you can turn that off entirely. There's an optional encrypted sync feature, but it's opt-in.

ChatGPT (logged out)

C

ChatGPT (logged out)

4.3

Visit ChatGPT (logged out)(opens in a new tab)

Pricing

Free, no account

Best for

Quick, capable answers from the best-known chatbot

• What you get without an account: fast, capable answers and, in supported regions, web search.
• What you give up: the top models, image generation, voice mode, file-heavy work and any saved history.
• Best for: people who want the "real" ChatGPT experience for a one-off task.

OpenAI has allowed logged-out use since 2024, and it's still there: open chatgpt.com and type. What you get is a lighter version of the free tier. OpenAI's own help page on the ChatGPT home page describes logged-out chats as tied to the current browser session, and features that depend on an account (saved history, sharing, custom instructions, memory) aren't available. Reporting this year puts image generation, advanced voice and the newest flagship models on the signed-in side of the wall, and availability still varies by country.

For drafting an email or explaining a concept, the logged-out version is plenty. It falls short when you need to come back to something tomorrow or work with long documents. Our ChatGPT Free vs Plus comparison covers what you get once you do.

Privacy: by default, ChatGPT may use conversations to improve its models. Logged out, you can open settings and switch off "Improve the model for everyone," but OpenAI's data controls page notes that choice is saved in your browser, so clearing cookies or switching devices resets it. OpenAI also says it keeps signed-out chats for 30 days for abuse monitoring. There's no IP masking; OpenAI sees your connection directly.

Perplexity

P

Perplexity

4.1

Visit Perplexity(opens in a new tab)

Pricing

Free, no account

Best for

Sourced answers and quick research

• What you get without an account: quick searches with cited sources.
• What you give up: most of the heavier research modes, file uploads, and any way to opt out of training.
• Best for: fact-checking and quick research where you want to see where an answer came from.

Perplexity is closer to a search engine that writes you a footnoted summary, which makes it the best no-account option for factual questions: what changed in a law, which laptop has which port, what a study actually found.

Logged out, you get the basic search experience. There's an anonymous quota, and once it runs out Perplexity asks you to sign up; developers building on it have documented that exact "sign up and repeat your request" wall. Perplexity's help center says logged-out threads expire after 14 days and can't be recovered, which is handy if you want to revisit something in the same browser this week.

For more on its paid modes and how its answers hold up, see our full Perplexity review.

Privacy: this is Perplexity's weak spot for anonymous users. Its AI data retention setting, which governs whether your queries help improve its models, is on by default for individual plans, and the toggle lives in account settings. Privacy guides like DeleteMe's walkthrough point out the obvious consequence: if you're not logged in, there's no switch to flip. If privacy is why you're avoiding accounts, Perplexity is ironically the one tool where making an account gives you more control.

Brave Leo

B

Brave Leo

4.0

Visit Brave Leo(opens in a new tab)

Pricing

Free, no account (Brave browser)

Best for

Summarizing the page you're reading, privately

• What you get without an account: a built-in assistant that can chat and summarize or question the page you're on.
• What you give up: the premium models and higher rate limits.
• Best for: privacy-minded people who read a lot online.

Leo is the one entry that isn't a website. It's built into the Brave browser on desktop, Android and iOS, so "no sign-up" really means "install a browser."

Leo's strength is context: open a long article or documentation page and ask it to summarize or answer questions about it, no copy-pasting. For PDFs specifically, our guide to summarizing long PDFs for free goes deeper. The free tier uses a rotating set of smaller models with rate limits; Leo Premium costs $14.99 a month and adds bigger models.

Privacy: Brave says Leo doesn't require an account for the free version, proxies requests so they can't be tied to your IP address, doesn't retain conversations after a response is generated, and doesn't use them for training. Chat history lives in your local browser storage. Even the paid tier uses unlinkable tokens, so Brave can't connect your payment to your chats. On paper, that's the strictest setup here.

Microsoft Copilot

M

Microsoft Copilot

3.7

Visit Microsoft Copilot(opens in a new tab)

Pricing

Free, no account (web)

Best for

Casual questions if you already live in Edge or Windows

• What you get without an account: basic chat with web grounding on copilot.microsoft.com.
• What you give up: chat history, image creation, file uploads, longer conversations and personalization.
• Best for: quick questions if you're already in Edge or on Windows.

Copilot is where logged-out access gets murky. In June 2026, users on Microsoft's own Q&A forum complained that Copilot suddenly demanded a sign-in. The answer from a Microsoft volunteer moderator: the web version at copilot.microsoft.com still works without signing in, with "somewhat limited" functionality. The Microsoft Store app and some mobile browsers have started requiring an account, including Edge's InPrivate mode on Android.

So Copilot qualifies, but only on the web, with regular prompts to sign in for history, uploads and voice. The answers are fine for everyday questions.

Privacy: Microsoft's Copilot privacy FAQ states that it doesn't train Copilot on data from users who aren't signed in, and that personalization is disabled for unauthenticated users. That's a better default than Perplexity or ChatGPT, though your IP isn't masked.

Google Gemini

G

Google Gemini

3.6

Visit Google Gemini(opens in a new tab)

Pricing

Free, no account (web only)

Best for

A quick second opinion from Google's model

• What you get without an account: basic chat on gemini.google.com.
• What you give up: the stronger models, Deep Research, file uploads, chat history, and every mobile app.
• Best for: a second opinion when another bot's answer looks shaky.

Google opened Gemini's web version to signed-out users in 2025, and Google's help center still confirms you can use some features without signing in. When it launched, Android Police reported that logged-out users were limited to a single Flash model, with no uploads or history, and the Android and iOS apps still need an account. Google doesn't publish a detailed list of what logged-out users get today, so expect the basics and not much else.

It's fine for rewording text or a general question, but it's the least generous option here. If you want to know how Gemini stacks up once you do sign in, our ChatGPT vs Claude vs Gemini comparison covers that.

Privacy: Google's Gemini Apps Privacy Hub says that when you're signed out, your data (like IP address and browser type) is processed under the general Google Privacy Policy, isn't associated with a Google account, and the more detailed Gemini Apps Privacy Notice doesn't apply. Not a red flag, but the vaguest answer of the six.

What we left out

A few tools often show up on "no login" lists but didn't make this one:

• HuggingChat. It has offered guest access, but Hugging Face adjusts guest limits based on server load, and users have reported the guest limit dropping to zero. Too unreliable to recommend.
• Mistral Le Chat. Mistral folded Le Chat into a new product called Vibe at the end of May 2026. We couldn't confirm from official sources what, if anything, works without an account now.
• Meta AI. Some reports say meta.ai works logged out after entering a birth year, but we couldn't verify the current behavior from Meta's own documentation, so we've left it off.

Privacy tips for anonymous use

Skipping the account helps, but it's not the same as being anonymous. A few habits make a real difference:

1. Don't paste anything identifying. No full names, addresses, account numbers, medical record details or client data. IP stripping does nothing if the prompt itself names you.
2. Pick the tool by its training policy. Duck.ai, Brave Leo and Copilot say they don't train on logged-out chats. ChatGPT lets you switch it off per browser. Perplexity gives logged-out users no way to opt out.
3. Private windows cut both ways. They keep chats off your device but also wipe settings like ChatGPT's training opt-out. Flip the toggle again each session.
4. Clear local history on shared computers. Duck.ai and Leo store recent chats in your browser, which is great for privacy from the provider, less so on a family laptop.
5. Use a VPN if IP matters. Only Duck.ai and Leo hide your IP from the model provider.

When a free account is worth it

No-account mode is ideal for one-off questions and frustrating once it becomes a habit. Make a free account when:

• You keep coming back to the same project. Saved history and memory mean you stop re-explaining yourself. A weekly routine like planning your week with ChatGPT only really works with an account.
• You need uploads or longer documents. ChatGPT, Gemini and Copilot all gate file handling behind sign-in.
• You want control over training. On Perplexity especially, an account is the only way to turn off AI data retention.
• You're coding. Multi-file work and long sessions need history and the stronger models. See our Claude vs ChatGPT for coding comparison for which to sign up for.

A sensible middle ground: Duck.ai or Leo for anything sensitive, a signed-in account for ongoing work.

The verdict

Our pick

D

Duck.ai

4.5

Best for: Private everyday chat with a choice of models · Free, no account

Duck.ai is the best free chatbot you can use without signing up. It's the only option that combines a real choice of models, file uploads on some of them, local chat history and documented privacy protections (IP stripping, no training, deletion within 30 days) in any browser, with no account and no install. Its free models aren't the most powerful available, but for everyday writing, explaining and brainstorming they're more than good enough.

Pick ChatGPT logged out when you want the strongest answer for a one-off task and don't mind OpenAI seeing the chat, or Perplexity when you need sources you can check.

Try Duck.ai(opens in a new tab)

We explain how we weigh features, pricing and privacy on our how we test page.

Frequently asked questions

Is ChatGPT still free without an account?

Yes, as of September 2026, in supported countries. You won't get saved history, image generation, voice mode or the newest models, and chats may be used for training unless you turn that off in settings.

Which no-sign-up chatbot is the most private?

Brave Leo and Duck.ai. Both say they hide your IP address from the model and don't use your chats for training, and both keep history only on your device. Leo requires the Brave browser; Duck.ai works in any browser, which is why it's our overall pick.

Can I upload files without an account?

On Duck.ai, yes, with some models. Most of the others, including ChatGPT, Gemini and Copilot, reserve file uploads for signed-in users. If you mainly need to summarize documents, see our guide to summarizing PDFs with AI for free.

Is using a chatbot without an account completely anonymous?

No. Unless the service hides your IP address, the company sees your connection, and whatever you type goes to the model. Skipping the account reduces what's linked to you; it doesn't make you invisible.