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Muse Spark 1.3

Meta's agentic reasoning model for long-horizon coding, multi-agent workflows, and reliable instruction following.

muse-spark-1.3
STABLEGet StartedView uptime
1,048,576 context
Released September 2, 2026
Starting at $1.25/M input tokens
Starting at $4.25/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
Structured JSON
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Select Provider

All Providers for Muse Spark 1.3

DigitSpace routes requests to the best providers that are able to handle your prompt size and parameters.

Meta
Context: 1.0M
Input
$1.25
/M tokens
Cache Read
$0.15
/M tokens
Output
$4.25
/M tokens
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Frequently asked questions

What is Muse Spark 1.3?

Meta's agentic reasoning model for long-horizon coding, multi-agent workflows, and reliable instruction following. You can access it through DigitSpace's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Muse Spark 1.3 cost?

Pricing for Muse Spark 1.3 on DigitSpace starts at $1.25 per million input tokens and $4.25 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Muse Spark 1.3?

Muse Spark 1.3 supports a context window of up to 1,048,576 tokens on its largest provider deployment.

Which providers serve Muse Spark 1.3?

Muse Spark 1.3 is served by Meta through DigitSpace. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Muse Spark 1.3 support tool calling and structured outputs?

Yes. Muse Spark 1.3 supports both tool (function) calling and strict JSON output schema (upstream-enforced) through DigitSpace.

When was Muse Spark 1.3 released?

Muse Spark 1.3 was released on September 2, 2026.