Claude Haiku 4.5 Free Chat

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Claude Haiku 4.5 Free Chat, No Login, No Sign Up

Claude Haiku 4.5 is Anthropic's fast tier, and it is the first Claude model on this site. If you have ever wondered what the fuss about Claude is, this is the cheapest possible way to find out: no account, no card, no trial, no message counter. Type in the box at the top of the page and read the answer.

Why people pick Claude for writing

Claude has a reputation among people who write for a living, and it is not marketing. The models are noticeably better at prose: fewer stock phrases, a steadier register, and a willingness to actually cut a sentence when you ask for it shorter rather than rearranging it. Haiku is the fast tier of that family, so you get most of the habit at a fraction of the wait.

Can I use Claude without an account?

Not at claude.ai, which asks for an email and a verification code before the first message, and applies a usage limit after it. The Anthropic API wants an organisation, a payment method and a key. Neither is unreasonable, and neither is what you want at eleven at night when you have one paragraph to fix.

Here there is nothing to join. The message goes to the model through our server and comes back to this page.

Anthropic's official Claude site

What it costs elsewhere, and here

claude.ai freeClaude ProAnthropic APIAIFreeForever Claude Haiku 4.5
PriceFreePaid monthlyMetered per tokenFree
AccountRequiredRequiredRequired, plus a keyNone
Usage limitResets on a clockHigherRate limited by tierUnlimited basic chat
Card on fileNoYesYesNo
SetupEmail and a codeSign up and payConsole and keysNone

Claude Haiku 4.5 against the other models here

ModelReads imagesBest atSpeed
Claude Haiku 4.5YesWriting and editingFast
GPT 5YesHard reasoning, tool useDeliberate
Gemini 3YesLong documentsFast
Grok 4YesStep-by-step reasoningDeliberate
DeepSeek V4NoCode and mathModerate
GPT-OSSNoOpen-weight general workFast

Claude Haiku 4.5 or GPT 5

Give them both a paragraph to improve and the difference is usually visible in one read. GPT 5 is the stronger reasoner and the better choice when the question is hard. Claude is the better writer and the better editor, and it argues with you less about what you asked for. Many people end up using one for thinking and the other for writing, which the model bar makes easy.

Claude Haiku 4.5 or a bigger Claude

Haiku is the fast tier. Sonnet and Opus think longer and do better on genuinely difficult work, and neither is on this site. For editing, drafting, summarising and everyday questions, which is most of what anybody asks a chatbot, Haiku is the one you would have picked anyway.

Getting good writing out of it

Give it the draft, not the brief

Claude is much better at improving something than at inventing it. Write a bad first version yourself, paste it, and ask for it to be made better. The result beats anything you get from a blank prompt.

Say what you do not want

"No bullet points." "Do not start with the word Actually." "Keep my contractions." Negative instructions are followed well here, which is not true everywhere.

Ask for options, then choose

"Three versions: plain, warm, and slightly funny." Picking from three is faster than describing what you wanted in the first place.

Push back

If the answer is too polished, say so. "Less smooth, more like a person typing quickly" is an instruction it can actually act on.

Prompts worth stealing

How to use it

Step 1

The chat box at the top of this page is already on Claude Haiku 4.5.

Step 2

Paste the draft, the message or the question.

Step 3

Attach a file if there is one. PDF, Word, Excel and images all work.

Step 4

Read it, then ask for a second pass. The second pass is usually the one you keep.

Is it private?

Your message goes over HTTPS through our server to the model. We do not keep conversations and uploaded files are removed when the session ends. There is no Anthropic account involved and nothing is attached to one. As with any chatbot, do not paste credentials or anything under an NDA.

Will it be right?

About facts, usually, and not always. Claude is more willing than most models to say it is not sure, which is genuinely useful, but it can still be confidently wrong about dates, numbers and anything recent, and its knowledge has a cutoff. Where it is most reliably good is judgement about language, and that is what it is worth opening for. Check the facts; trust the sentence.

Questions people ask

Is Claude Haiku 4.5 free here?

Yes. No account, no card, no usage limit that resets on a clock.

Do I need a claude.ai account?

No. This page is not connected to one and cannot see one.

Which Claude is this?

Haiku 4.5, the fast tier. Sonnet and Opus are not on this site.

Can it read images?

Yes. Screenshots, photos and diagrams.

Can it generate images?

No. Use Image mode on this page, or the image generators in the menu.

Can I upload a document?

Yes. PDF, Word and Excel.

Does it remember previous visits?

No. Each visit starts fresh, which is also why there is nothing to sign in to.

Is this run by Anthropic?

No. This is an independent site offering free access to the model.

Paste a draft and see the difference. Claude Haiku 4.5 is free at the top of this page, no account needed.