Muse Spark

Muse Spark

Meta
5.0 out of 5 stars
Muse Spark Open

Muse Spark Open

Meta
5.0 out of 5 stars
Muse Spark Muse Spark Open

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Muse Spark:

About

Muse Spark is a multimodal AI reasoning model developed by Meta as part of its push toward personal superintelligence. It integrates text, images, and tools to deliver advanced reasoning and interactive capabilities. The model supports features like visual chain-of-thought and multi-agent orchestration. Users can leverage Muse Spark for tasks such as problem-solving, content creation, and real-world troubleshooting. Its Contemplating mode enables multiple AI agents to reason in parallel for improved performance. Muse Spark also demonstrates strong capabilities in areas like health insights and visual understanding. Overall, it represents a significant step toward more intelligent and personalized AI systems.
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.
Muse Spark:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not 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
Muse Spark:

Audience

Developers, researchers, enterprises, and tech-savvy users seeking advanced multimodal AI capabilities for reasoning, automation, and building next-generation intelligent applications
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
Muse Spark:

Support

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

Support

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

API

Offers API Supported
Muse Spark Open:

API

Offers API Not Supported
Muse Spark:

Screenshots and Videos

Muse Spark Open:

Screenshots and Videos

Muse Spark:

Pricing

No information available.
Free Version Not 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
Muse Spark:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5
Muse Spark Open:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
Muse Spark:

Pros & Cons from Real Users

Pros

  • Seems like Meta AI is finally on the right path with regards to intelligent AI models. Muse Spark is a huge upgrade over Llama.

Cons

  • Still behind some of the other frontier models from other AI labs.
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.
Muse Spark:

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
Muse Spark:

Company Information

Meta
Founded: 2004
United States
ai.meta.com
Muse Spark Open:

Company Information

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

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Muse Spark Open:

Alternatives

Gemini 4 Hydrogen

Gemini 4 Hydrogen

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Muse Spark:
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Muse Spark Open:
Claude Fable 5.2

Claude Fable 5.2

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Muse Spark:
GPT-6 Luna

GPT-6 Luna

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Muse Spark Open:
Muse Spark:
Muse Spark 1.1

Muse Spark 1.1

Meta
5.0 out of 5 stars
Muse Spark Open:
Muse Glimmer

Muse Glimmer

Meta
5.0 out of 5 stars
Muse Spark:
Muse Spark 1.2

Muse Spark 1.2

Meta
5.0 out of 5 stars
Muse Spark Open:
Recursive Flint

Recursive Flint

Recursive
Muse Spark:

Categories

AI Coding Models Supported
AI Models Supported
Foundation Models Supported
Multimodal Models Supported
Muse Spark Open:

Categories

Muse Spark:

Integrations

Facebook Supported
Gray Swan Supported
Instagram Supported
LangChain Supported
Meta AI Supported
Modal Not Supported
Model Context Protocol (MCP) Supported
Muse Supported
Muse Code Supported
Muse Spark 1.1 Supported
Muse Spark 1.2 Supported
Muse Video Supported
Muse Wonder Supported
Muse Wonder Full Supported
Muse for Small Business Supported
Odysseus Supported
OpenAI Agents SDK Supported
OpenClaw Supported
OpenCode Supported
vLLM Not Supported
Muse Spark Open:

Integrations

Facebook Not Supported
Gray Swan Not Supported
Instagram Not Supported
LangChain Not Supported
Meta AI Not Supported
Modal Supported
Model Context Protocol (MCP) Not Supported
Muse Not Supported
Muse Code Not Supported
Muse Spark 1.1 Not Supported
Muse Spark 1.2 Not Supported
Muse Video Not Supported
Muse Wonder Not Supported
Muse Wonder Full Not Supported
Muse for Small Business Not Supported
Odysseus Not Supported
OpenAI Agents SDK Not Supported
OpenClaw Not Supported
OpenCode Not Supported
vLLM Supported
Muse Spark:
Claim Muse Spark and update features and information
Claim Muse Spark and update features and information
Muse Spark Open:
Claim Muse Spark Open and update features and information
Claim Muse Spark Open and update features and information