Using Muse Spark 1.2 Contributor on OpenRouter

Implementation guide · Muse · AI at Meta

Serverless

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

Last refreshed 2026-10-19. 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-contributor — see the documentation for request format.
  3. 3
    You'll be billed $0.10/1M input, $0.20/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.10
Output tokens$0.20

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsPrompt CachingAudio

About Muse Spark 1.2 Contributor

Muse Spark 1.2 Contributor is the Contributor-tier Model API id (muse-spark-1.2-contributor) for Muse Spark 1.2. Distinct catalog ID (same pattern as muse-spark-1.3-contributor). 1,048,576-token context; multimodal inputs. Contributor mode: discounted tokens in exchange for permission to use content to train future Meta models. FP pricing: $0.10/$0.20 per 1M in/out (cached input $0.002).

Full model details →

Model Specs

Context1M

More Models on OpenRouter

Muse WonderMuse GlimmerMuse Spark 1.1Muse Spark 1.2Muse Spark 1.3Muse Spark 1.3 Contributor
All models on OpenRouter →

Also available on(2)

Meta Model API$0.10/1MVercel AI Gateway$0.10/1M
Compare all providers →

Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA