# Amazon — Meta’s Muse Spark Open now available in Amazon SageMaker JumpStart

- Company: Amazon (amazon.com)
- Announced: 2026-10-15T17:43:35+00:00
- Category: availability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://aws.amazon.com/blogs/machine-learning/metas-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart/
- Record: https://forck.live/items/23012-meta-s-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart
- Subject: Bedrock / Nova
- Open weights: yes
- Models affected: Muse Spark Open, Muse-Spark-Open-816B-A42B, Muse-Spark-Open-816B-A42B-NVFP4
- License: Muse Model License
- Context window: 1 million tokens

Amazon made Meta's Muse Spark Open, a coding-optimized open-weight model with 816B total parameters and a 1M-token context window, available in SageMaker JumpStart. The model supports BF16 and NVFP4 quantized variants, runs on specific SageMaker instances, and can be deployed in the user's own AWS account with control over infrastructure and security settings.

## Evidence

Verbatim from https://aws.amazon.com/blogs/machine-learning/metas-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart/:

> Muse Spark Open, Meta’s coding-optimized open-weight model, is now available in Amazon SageMaker JumpStart, the machine learning (ML) hub of Amazon SageMaker AI.

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Record: https://forck.live/items/23012-meta-s-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart
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