Claude Sonnet 5

textVisionFilesReasoning

Anthropic's most capable Sonnet — coding, agents and professional work. Supports adaptive thinking.

Pricing

Request / 1M

Response / 1M

Parameters

messagesrequired

reasoning_effortoff · low · medium · high · xhigh · max

temperature0–2

max_tokensoptional

streamtrue · false

image_urlimage (data: URL)

filePDF

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="anthropic/claude-sonnet-5",
    messages=[{"role": "user", "content": "Привет"}],
    reasoning_effort="low",  # off · low · medium · high · xhigh · max
    temperature=0.7,
    max_tokens=1024,
    stream=False,
)
print(resp.choices[0].message.content)

Try in the bot Open in web app API docs

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