LLM Reference
OpenRouter

Using Muse Spark 1.2 on OpenRouter

Implementation guide · Muse · AI at Meta

Serverless

OpenRouter exposes Muse Spark 1.2 through model ID meta/muse-spark-1.2. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-08-24. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call meta/muse-spark-1.2 — see the documentation for request format.
  3. 3
    You'll be billed $1.25/1M input, $4.25/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$1.25
Output tokens$4.25

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured Outputs

About Muse Spark 1.2

Muse Spark 1.2 is Meta Superintelligence Labs' proprietary multimodal reasoning model for agentic coding and long-context work, released August 5, 2026. It supports a 1,048,576-token context window and up to 131,072 output tokens through the Meta Model API. No public weights release at launch.

Full model details →

Model Specs

Released2026-08-05
Context1.05m
ArchitectureDecoder Only

More Models on OpenRouter

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Also available on(1)

Meta Model API$1.25/1M
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Provider

OpenRouter
OpenRouter

OpenRouter, Inc.

New York, NY, USA