Muse Spark 1.3 API: Model ID and Request Example

Hosted API request

Example

curl https://api.oneinfer.ai/v1/ula/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "meta/muse-spark-1.3",
    "messages": [{"role": "user", "content": "Summarize the attached research."}],
    "max_tokens": 2048
  }'

Verified API facts

Field	Value
Model ID	meta/muse-spark-1.3
Input context	1,048,576 tokens
Maximum output	64,000 tokens
Input modalities	Text, image, audio, video
Output modality	Text

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OneInfer availability

Do not send this model ID to a OneInfer endpoint. The model is closed weights and is not in the OneInfer serving catalog. Use this page as a compatibility reference or choose an available alternative.

Frequently asked questions

Can I run Muse Spark 1.3 on OneInfer?

No. As of 3 September 2026, Muse Spark 1.3 is proprietary, has no downloadable weights, and resolves to Meta as its single upstream provider. OneInfer publishes this independent reference without claiming deployment availability.

What is the Muse Spark 1.3 model ID?

Use meta/muse-spark-1.3 exactly on services that list that identifier.

Put Muse Spark 1.3 to work

Fund a controlled evaluation, send a reference frame or document, and measure quality and cost on your own workload.

Create account & add credits Run this with Muse Spark 1.3