All models

DeepSeek: DeepSeek V4 Flash

deepseek/deepseek-v4-flash
textReasoning

Fast and powerful model from DeepSeek.

Pricing

Request / 1M
Response / 1M

Parameters

messagesrequired
reasoning_effortoff · high · xhigh
temperature0–2
max_tokensoptional
streamtrue · false

How to use via API

from openai import OpenAI
client = OpenAI(base_url="https://api.mixen.ai/v1", api_key="mxn-...")
resp = client.chat.completions.create(
model="deepseek/deepseek-v4-flash",
messages=[{"role": "user", "content": "Привет"}],
reasoning_effort="high", # off · high · xhigh
temperature=0.7,
max_tokens=1024,
stream=False,
)
print(resp.choices[0].message.content)
# Стриминг: stream=True — ответ приходит чанками
for chunk in client.chat.completions.create(
model="deepseek/deepseek-v4-flash",
messages=[{"role": "user", "content": "Привет"}],
stream=True,
):
print(chunk.choices[0].delta.content or "", end="", flush=True)
Try in the botAPI docs