How much does the deepseek-v4.1-flash API cost?

$0.30 per 1M input tokens and $1.20 per 1M output tokens. Each call is billed from your AIsa balance at the rates on this page, with no subscription.

What is the model ID for deepseek-v4.1-flash?

The model ID is deepseek-v4.1-flash. Pass it as the model field of a request to /v1/chat/completions, with your AIsa key as a Bearer token.

Can I try deepseek-v4.1-flash for free?

No. deepseek-v4.1-flash needs a paid balance, so top up from $10 in the console before you call it. Each call is then billed at the rates on this page.

deepseek-v4.1-flash API

DeepSeekTextLive$0.30 input, $1.20 output per 1M tokensOpen the DeepSeek guide in the docs

Call DeepSeek’s deepseek-v4.1-flash with your AIsa key on /v1/chat/completions, /v1/messages, and /v1/responses. Each call is billed from your AIsa balance at the rates below, with no DeepSeek account.

Make a call

One key for every model. This calls /v1/chat/completions with the model ID deepseek-v4.1-flash.

curl -X POST "https://api.aisa.one/v1/chat/completions" \
  -H "Authorization: Bearer $AISA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4.1-flash",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

How it’s priced

Input: $0.30 / 1M tokens
Output: $1.20 / 1M tokens
Cache read: $0.03 / 1M tokens

Prices in USD, read live from AIsa’s price list.

Questions about deepseek-v4.1-flash

Compare other DeepSeek models

3 more models from DeepSeek on the same key.

deepseek-v4.1-flash API

DeepSeekTextLive$0.30 input, $1.20 output per 1M tokensOpen the DeepSeek guide in the docs

Make a call

One key for every model. This calls /v1/chat/completions with the model ID deepseek-v4.1-flash.

curl -X POST "https://api.aisa.one/v1/chat/completions" \
  -H "Authorization: Bearer $AISA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4.1-flash",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

How it’s priced

Input: $0.30 / 1M tokens
Output: $1.20 / 1M tokens
Cache read: $0.03 / 1M tokens

Prices in USD, read live from AIsa’s price list.

Questions about deepseek-v4.1-flash

Compare other DeepSeek models

3 more models from DeepSeek on the same key.

deepseek-v4.1-flash API

Make a call

How it’s priced

Questions about deepseek-v4.1-flash

How much does the deepseek-v4.1-flash API cost?

What is the model ID for deepseek-v4.1-flash?

Can I try deepseek-v4.1-flash for free?

Compare other DeepSeek models

Search the catalog

deepseek-v4.1-flash API

Make a call

How it’s priced

Questions about deepseek-v4.1-flash

How much does the deepseek-v4.1-flash API cost?

What is the model ID for deepseek-v4.1-flash?

Can I try deepseek-v4.1-flash for free?

Compare other DeepSeek models