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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
Perplexity AI has released R1 1776 as an open-source large language model (LLM), built on the DeepSeek R1 framework, with the goal of improving transparency and encouraging collaborative efforts in the field of AI development. With this release, researchers and developers can explore the model's architecture and underlying code, providing them the opportunity to enhance and tailor it for diverse use cases. By making R1 1776 available to the public, Perplexity AI seeks to drive innovation while upholding ethical standards in the AI sector. This initiative not only empowers the community but also fosters a culture of shared knowledge and responsibility among AI practitioners.
API Access
Has API
No
API Access
Has API
No
Integrations
Baseten
Yes
Fireworks AI
Yes
Groq
Yes
Hugging Face
Yes
Modal
Yes
Nebius
Yes
OpenRouter
Yes
Perplexity
No
Sonar
No
Together AI
Yes
Integrations
Baseten
No
Fireworks AI
No
Groq
No
Hugging Face
No
Modal
No
Nebius
No
OpenRouter
No
Perplexity
Yes
Sonar
Yes
Together AI
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
Free
Open source
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
No
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
Yes
Mac
Yes
Linux
Yes
Chromebook
No
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
Yes
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
Perplexity AI
Founded
2022
Country
United States
Website
www.perplexity.ai/