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Description

Muse Spark Open is an open-weight foundation model developed by Meta to support multimodal reasoning, autonomous agents, and complex software development tasks. The model features 816 billion total parameters with approximately 42 billion active parameters and a context window supporting up to one million tokens. Its architecture is designed to process multimodal information while maintaining context across lengthy workflows, extensive codebases, and multistep assignments. Muse Spark Open provides capabilities for software engineering, code generation, debugging, application development, and automated testing. Its agentic functionality supports external tool interactions, task planning, computer-based workflows, and execution of complex objectives over extended sessions. The model can run locally using two Apple M5 Ultra Mac Studio systems with the MLX framework, enabling organizations to process information without relying on hosted inference services. Developers can deploy the model through SGLang, vLLM, TensorRT-LLM, Hugging Face Transformers, llama.cpp, and other supported inference engines. Customization is supported through PyTorch and TorchTitan, allowing organizations to adapt the model to specialized applications and workflows. Muse Spark Open is distributed under the Muse Model License and is available through Hugging Face, major cloud model repositories, and hosted API providers including Together AI, Fireworks AI, and OpenRouter.

Description

Polyant is a collaborative open-source platform designed to assemble teams of specialized AI agents that assist company personnel by managing tasks such as sales briefs, customer triage, document extraction, and compliance reporting. With its modular and self-hosted framework, teams have the flexibility to select their preferred model providers, including open-weight models, and can utilize their own infrastructure, ensuring they are never tied to a single vendor. From the outset, the platform includes governance and auditing tools tailored to meet EU AI Act requirements, with all agent decisions meticulously recorded in a compliance-friendly audit registry accessible to compliance teams. Organizations maintain comprehensive control over data residency options, allowing deployment on-premises, within their own cloud, or utilizing EU infrastructure managed by Exelab. Furthermore, the deployment of agents can occur in mere days rather than the typical months, all while retaining self-hosting capabilities and adhering to governance standards. This solution is particularly tailored for mid-to-large European enterprises operating in regulated industries such as banking, insurance, and healthcare, where relying solely on a hosted API is not a viable option, ensuring that companies can effectively manage their AI integration in a compliant manner.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

Amazon Bedrock No 
Amazon Transcribe No 
Anthropic No 
Baseten Yes 
Deepgram No 
Fireworks AI Yes 
Groq Yes 
Hugging Face Yes 
Modal Yes 
Nebius Yes 
Nebius Token Factory No 
OpenAI No 
OpenAI Whisper No 
OpenRouter Yes 
Slack No 
Telegram No 
Together AI Yes 
WhatsApp No 
vLLM Yes 

Integrations

Amazon Bedrock Yes 
Amazon Transcribe Yes 
Anthropic Yes 
Baseten No 
Deepgram Yes 
Fireworks AI No 
Groq No 
Hugging Face No 
Modal No 
Nebius No 
Nebius Token Factory Yes 
OpenAI Yes 
OpenAI Whisper Yes 
OpenRouter No 
Slack Yes 
Telegram Yes 
Together AI No 
WhatsApp Yes 
vLLM No 

Pricing Details

$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 Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Meta

Founded

2004

Country

United States

Website

research.meta.ai/blog/muse-spark-open

Vendor Details

Company Name

Exelab

Country

Italy

Website

polyant.ai

Product Features

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