Claude is made by Anthropic. People like it for careful answers, long documents and code.
On NeuralBox you get every current model and pay only for answers: Haiku for quick replies, Sonnet for everyday work, Opus for hard tasks, and Fable, the strongest and most expensive.
Available versions
Claude Sonnet 5.5
per exchange ≈ $0.030
The everyday model. Context 1M tokens.
Claude Opus 5.5
per exchange ≈ $0.061
For hard tasks and code. Context 1M tokens.
Claude Haiku 5.5
per exchange ≈ $0.002
Fast and cheap. Context 1M tokens.
Claude Fable 5.1
per exchange ≈ $0.15
The strongest Anthropic model. Context 1M tokens.
What it does
Long documents
Up to 1M tokens: contracts, books, codebases.
Code
Writes, explains and fixes programs.
Writing
Writes naturally and keeps the tone you set.
Prompt examples
Attach files and images to any message.
Contract
Attach a contract: "What are the risks for me as the contractor?"
Code
Paste a function: "Find the bug and rewrite it more clearly"
Writing
Write a short launch post for a course, no hype
Parameters
Billing
per answer, no subscription
Attachments
files and images in a message
Switching
change the model any time
Context
up to 1M tokens
For developers
Claude Code via the NeuralBox API
How much Claude costs
Model
Exchange, tokens
USD
Claude Sonnet 5.5
912
≈ $0.030
Claude Opus 5.5
1,824
≈ $0.061
Claude Haiku 5.5
46
≈ $0.002
Claude Fable 5.1
4,560
≈ $0.15
One exchange here means a 1,000-token question and a 1,000-token answer, about 700 words together. USD at the Basic rate: $5 = 150,000 tokens. Long threads and model reasoning cost more. The exact price of each answer shows in the chat.
$5 gives 150,000 tokens. With Claude Haiku 5.5 that is about 3,260 questions with a full answer.
How to start
Sign in
With Google, Telegram or email. Takes under a minute.
Top up
From $5 by card or from $2 in crypto. No subscription, and tokens never expire.
Generate
Open the Text tab and pick Claude. Ask a question or attach a file.