DeepSeek V4.1 Flash

DeepSeek V4.1 Flash specifications

DeepSeek V4.1 Flash pricing in rubles

You pay for what you use, per token and per unit. The final request cost is returned in the API response.

Prices are in rubles and may change with exchange rates.

What DeepSeek V4.1 Flash can do

• Function calling
• Reasoning mode
• Streaming responses

DeepSeek V4.1 Flash API: connection and code examples

The service exposes a single OpenAI-compatible API. Set our base_url and the key from your dashboard.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.neuralbridge.ru/v1",
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v4.1-flash-12544",
    messages=[{"role": "user", "content": "Привет! Расскажи о себе."}],
)

print(response.choices[0].message.content)

import requests

response = requests.post(
    "https://api.neuralbridge.ru/v1/chat/completions",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "model": "deepseek/deepseek-v4.1-flash-12544",
        "messages": [{"role": "user", "content": "Привет! Расскажи о себе."}],
    },
)

print(response.json()["choices"][0]["message"]["content"])

curl https://api.neuralbridge.ru/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4.1-flash-12544",
    "messages": [{"role": "user", "content": "Привет! Расскажи о себе."}]
  }'

API endpoints

Supported request parameters