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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.
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.
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
| claude.ai free | Claude Pro | Anthropic API | AIFreeForever Claude Haiku 4.5 | |
|---|---|---|---|---|
| Price | Free | Paid monthly | Metered per token | Free |
| Account | Required | Required | Required, plus a key | None |
| Usage limit | Resets on a clock | Higher | Rate limited by tier | Unlimited basic chat |
| Card on file | No | Yes | Yes | No |
| Setup | Email and a code | Sign up and pay | Console and keys | None |
| Model | Reads images | Best at | Speed |
|---|---|---|---|
| Claude Haiku 4.5 | Yes | Writing and editing | Fast |
| GPT 5 | Yes | Hard reasoning, tool use | Deliberate |
| Gemini 3 | Yes | Long documents | Fast |
| Grok 4 | Yes | Step-by-step reasoning | Deliberate |
| DeepSeek V4 | No | Code and math | Moderate |
| GPT-OSS | No | Open-weight general work | Fast |
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.
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.
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.
"No bullet points." "Do not start with the word Actually." "Keep my contractions." Negative instructions are followed well here, which is not true everywhere.
"Three versions: plain, warm, and slightly funny." Picking from three is faster than describing what you wanted in the first place.
If the answer is too polished, say so. "Less smooth, more like a person typing quickly" is an instruction it can actually act on.
The chat box at the top of this page is already on Claude Haiku 4.5.
Paste the draft, the message or the question.
Attach a file if there is one. PDF, Word, Excel and images all work.
Read it, then ask for a second pass. The second pass is usually the one you keep.
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.
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.
Yes. No account, no card, no usage limit that resets on a clock.
No. This page is not connected to one and cannot see one.
Haiku 4.5, the fast tier. Sonnet and Opus are not on this site.
Yes. Screenshots, photos and diagrams.
No. Use Image mode on this page, or the image generators in the menu.
Yes. PDF, Word and Excel.
No. Each visit starts fresh, which is also why there is nothing to sign in to.
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.