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Muse Spark 1.3 Contributor API in India

The same Muse Spark 1.3 at a far lower price — because Meta may train on what you send it. Priced in Indian rupees for teams in India, on the same key as every other model.

Muse Spark 1.3 Contributor is not on our public price list right now. Ask us if your team needs it.

About Muse Spark 1.3 Contributor

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.

What is Muse Spark 1.3 Contributor good for?

  • 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.

Where to be careful

  • 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.

Specs

Made byMeta
ReleasedSeptember 2026
TypeChat
Context window1.05M tokens
ReadsText, Images, Video
Thinks before answeringYes, adjustable
WeightsClosed
Processed inGlobal
Model idmuse-spark-1.3-contributor

Using Muse Spark 1.3 Contributor from India

Roar AI provides access to Muse Spark 1.3 Contributor through the Roar AI gateway, charged in Indian rupees on one bill with every other model. Requests from India go through our gateway in Bangalore. 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."}],
)

Where is Muse Spark 1.3 Contributor processed?

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

Questions

Is Muse Spark 1.3 Contributor open source?

No. Meta does not publish the weights, so it is only available through an API like this one.

Try Muse Spark 1.3 Contributor
on one key

Sign up, get a key and call it with the SDK you already use. Pay in your local currency, on one bill.