DeepSeek V3.1

deepseek/deepseek-chat-v3.1·Created Sep 26, 2026

Chat with model

Large open-weight hybrid reasoning model with excellent price/performance.

Context

164K tokens

Max output

—

Input price

$0.20 / M tokens

Output price

$0.80 / M tokens

Input

text

Output

text

Requests (7d)

Tokens (7d)

API

ProfusAPI is OpenAI-compatible. Use your API key from Keys and set the model to deepseek/deepseek-chat-v3.1.

from openai import OpenAI

client = OpenAI(
    base_url="https://profusapi.com/api/v1",
    api_key="<PROFUSAPI_API_KEY>",
)

completion = client.chat.completions.create(
    model="deepseek/deepseek-chat-v3.1",
    messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(completion.choices[0].message.content)