OpenAI: GPT-4 oss

Name: GPT-4 oss
Brand: OpenAI
Price: 4.8 RUB
Availability: InStock

openai/gpt-oss-120b

textReasoning

OpenAI's open-weights model on GPT-4 architecture, 120B parameters. Fast and cost-efficient for everyday tasks: chat, translation, coding, summarization.

Pricing

Request / 1M

Response / 1M

Parameters

messagesrequired

reasoning_effortlow · medium · high

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="openai/gpt-oss-120b",
    messages=[{"role": "user", "content": "Привет"}],
    reasoning_effort="low",  # low · medium · high
    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="openai/gpt-oss-120b",
    messages=[{"role": "user", "content": "Привет"}],
    stream=True,
):
    print(chunk.choices[0].delta.content or "", end="", flush=True)

Try in the botAPI docs

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