DeepSeek is made by a Chinese lab in Hangzhou. It handles code and math close to expensive Western models and costs several times less.
On NeuralBox you do not need a DeepSeek account.
Available versions
DeepSeek V4.1 Flash
per exchange ≈ $0.002
Fast and very cheap. Context 1M tokens.
DeepSeek V4 Pro 0813
per exchange ≈ $0.007
Stronger on hard problems. Context 1M tokens.
What it does
Cheap
One of the cheapest capable chats.
Code and math
Writes and explains code, solves problems.
Long context
Up to 1M tokens.
Prompt examples
Attach files and images to any message.
Code
Rewrite this SQL query to run faster and explain why
Text
Cut this text in half and keep the facts
Study
Walk through solving a quadratic equation step by step
Parameters
Billing
per answer, no subscription
Attachments
files and images in a message
Switching
change the model any time
Context
up to 1M tokens
How much DeepSeek costs
Model
Exchange, tokens
USD
DeepSeek V4.1 Flash
57
≈ $0.002
DeepSeek V4 Pro 0813
201
≈ $0.007
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 DeepSeek V4.1 Flash that is about 2,631 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 DeepSeek. Ask a question or attach a file.