Muse Spark Open

Muse Spark Open

Meta
5.0 out of 5 stars
Llama Stack Muse Spark Open

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Llama Stack:

About

Llama Stack is a modular framework designed to streamline the development of applications powered by Meta's Llama language models. It offers a client-server architecture with flexible configurations, allowing developers to mix and match various providers for components such as inference, memory, agents, telemetry, and evaluations. The framework includes pre-configured distributions tailored for different deployment scenarios, enabling seamless transitions from local development to production environments. Developers can interact with the Llama Stack server using client SDKs available in multiple programming languages, including Python, Node.js, Swift, and Kotlin. Comprehensive documentation and example applications are provided to assist users in building and deploying Llama-based applications efficiently.
Muse Spark Open:

About

Muse Spark Open is an open-weight, natively multimodal language model for developers and organizations building AI applications, coding systems, and agentic workflows. The released model has 816 billion total parameters, 42 billion active parameters, and a 1-million-token context window. Teams can download the model weights, run inference through supported engines such as vLLM, SGLang, TensorRT-LLM, Hugging Face Transformers, Apple MLX, llama.cpp, or Unsloth, and customize the model using PyTorch. It supports long-context reasoning, software engineering, coding, tool use, and multimodal inputs. Deployment options include cloud inference through listed API providers or self-hosting on compatible GPU systems; Meta documents a desktop setup using two Apple M5 Ultra Mac Studio computers. The model is released under the Muse Model License with limited commercial terms.
Llama Stack:

Platforms Supported

Windows Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Muse Spark Open:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Llama Stack:

Audience

AI developers
Muse Spark Open:

Audience

AI developers, machine learning engineers, software engineers, AI researchers, enterprise development teams, and organizations seeking customizable open-weight multimodal models for local inference, autonomous agents, complex coding, and long-context AI applications
Llama Stack:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
Muse Spark Open:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
Llama Stack:

API

Offers API Not Supported
Muse Spark Open:

API

Offers API Not Supported
Llama Stack:

Screenshots and Videos

Muse Spark Open:

Screenshots and Videos

Llama Stack:

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported
Muse Spark Open:

Pricing

$0
Model weights are available at no charge under the Muse Model License, which has limited commercial-use terms. Hosted inference providers set their own usage prices.
Free Version Supported
Free Trial Not Supported
Llama Stack:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Muse Spark Open:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
Muse Spark Open:

Pros & Cons from Real Users

Pros

  • Meta finally opened up a genuinely frontier-level Muse model. The 1M-token context window and 42B active parameters make it strong enough for large repos, long agent sessions, multimodal work, and complex coding without feeling like a stripped-down open model. The local deployment story is also a huge deal. Being able to run something this capable on two M5 Ultra Mac Studios is impressive, especially for teams that want more control over data, infrastructure, and customization. I also like how much of the stack is open around it. Muse Spark Open works with MLX, vLLM, SGLang, TensorRT-LLM, Transformers, llama.cpp, and Unsloth, and Meta is making the weights available through Hugging Face, SageMaker, Google Cloud Model Garden, and Microsoft Foundry.

Cons

  • Even though it is technically desktop-capable, needing two M5 Ultra Mac Studios for the full local experience is still a serious setup, so most developers will probably use hosted inference instead.
Llama Stack:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Muse Spark Open:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Llama Stack:

Company Information

Meta
Founded: 2004
United States
github.com/meta-llama/llama-stack
Muse Spark Open:

Company Information

Meta
Founded: 2004
United States
research.meta.ai/blog/muse-spark-open
Llama Stack:

Alternatives

Muse Spark Open:

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Llama Stack:
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Muse Spark Open:
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Llama Stack:
Llama 3

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Muse Spark Open:
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Muse Glimmer

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Llama Stack:

Categories

AI Development Supported
Muse Spark Open:

Categories

Llama Stack:

Integrations

Baseten Not Supported
Fireworks AI Not Supported
Groq Not Supported
Hugging Face Not Supported
Modal Not Supported
Nebius Not Supported
OpenRouter Not Supported
Together AI Not Supported
vLLM Not Supported
Muse Spark Open:

Integrations

Baseten Supported
Fireworks AI Supported
Groq Supported
Hugging Face Supported
Modal Supported
Nebius Supported
OpenRouter Supported
Together AI Supported
vLLM Supported
Llama Stack:
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Claim Llama Stack and update features and information
Muse Spark Open:
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Claim Muse Spark Open and update features and information