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GPT-5.6 Terra Pro

openai/gpt-5.6-terra-pro
textVisionFilesReasoning

GPT-5.6 Terra with pro reasoning mode — higher quality on complex tasks at a balanced price. Text, image & file input, 1M context.

Pricing

Request / 1M
Response / 1M

Parameters

messagesrequired
reasoning_effortlow · medium · high
temperature0–2
max_tokensoptional
streamtrue · false
image_urlimage (data: URL)
filePDF · DOCX · TXT · CSV · XLSX · PPTX (data: URL)

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-5.6-terra-pro",
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)
Try in the botAPI docs