Muse Spark 1.3 Contributor API in Singapore

This is not a different model. It is Muse Spark 1.3 sold under Meta’s Contributor terms: a heavy discount in exchange for permission to use your prompts and the model’s answers to train future Meta models. Everything you send, and everything it sends back, may become training data.

That makes it a good deal for the right work — prototypes, experiments, public code, benchmark runs — and the wrong model for anything confidential. Meta has published no retention period or way to withdraw consent that we could find, so treat every request as a permanent donation.

• Prototypes and experiments on data that is not sensitive.
• Agents working on public or open-source code.
• Large test and benchmark runs where cost matters more than privacy.

• Do not send customer data, personal data, confidential documents or anything regulated: Meta may use it to train its models.
• Lower rate limits than the standard Muse Spark 1.3.
• Your users cannot tell which version their data went through — only the model name in your code decides it — so say so in your own product.

Roar AI provides access to Muse Spark 1.3 Contributor through the Roar AI gateway, charged in Singapore dollars on one bill with every other model. Requests from Singapore go through our gateway in Singapore. Developers can use Muse Spark 1.3 Contributor alongside other supported models without a separate integration for every provider.

Use the OpenAI SDK you already have — point it at Roar AI and name the model. Read the docs.

from openai import OpenAI

client = OpenAI(base_url="https://api.roar-ai.com/v1", api_key="roar_live_…")

reply = client.chat.completions.create(
    model="muse-spark-1.3-contributor",
    messages=[{"role": "user", "content": "Summarise this contract in plain English."}],
)

Muse Spark 1.3 Contributor is a frontier model, and requests are processed on international infrastructure, outside Singapore. The model directory says where each model is processed.

Muse Spark 1.3 Contributor vs Muse Spark 1.3Head to head

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