Technology
TechCrunch

Meta launches an open-weight AI model that runs on Macs

Source Entity

Lucas Ropek

October 17, 2026
Meta launches an open-weight AI model that runs on Macs

Apple and Meta have partnered to optimize the new Muse Spark Open AI model for local operation on Mac Studio systems. This collaboration marks a shift in the relationship between the two tech giants, focusing on leveraging Apple's M5 Ultra chips and MLX framework.

A New Era of Collaboration: Apple and Meta Align on AI

In a landmark development for the technology sector, Apple and Meta have announced a strategic collaboration centered on the deployment of Muse Spark Open, a high-performance, open-weight AI model. This partnership, which sees the two historically rival companies aligning their interests, aims to streamline the process of running sophisticated artificial intelligence locally on Apple hardware. By optimizing Muse Spark Open for Apple’s high-end desktop ecosystem, the companies are addressing the growing industry demand for powerful, privacy-conscious, and locally hosted AI solutions.

Understanding Muse Spark Open

At the heart of this announcement is the Muse Spark Open model, which Meta describes as the most capable US open-weight model to date. Boasting an massive 816-billion-parameter architecture, the model utilizes a mixture-of-experts (MoE) design, allowing it to handle complex tasks with greater efficiency. With a 1-million-token context window, the model is specifically engineered for intricate coding tasks and agentic labor, positioning it as a significant competitor in the open-source AI landscape.

The Role of Apple Silicon and MLX

The technical synergy between the two firms is facilitated by Apple’s latest M5 Ultra Mac Studios and the MLX framework. MLX, Apple’s machine learning framework, has been instrumental in ensuring that this massive, 816-billion-parameter model can operate effectively on desktop hardware. The collaboration highlights the sheer processing power of the M5 Ultra chip, which serves as the backbone for this localized compute power. Users looking to leverage this capability will require significant hardware resources, including at least 1 terabyte of RAM, to handle the model's demands.

Shifting Dynamics in Big Tech

Historically, Apple and Meta have maintained a contentious relationship, frequently clashing over data privacy, platform control, and advertising policies. However, the involvement of Apple’s leadership, specifically John Ternus, appears to have opened a new chapter of cooperation. Public recognition from Meta CEO Mark Zuckerberg regarding the joint effort suggests a pivot toward shared goals in AI development, potentially signaling that the complexities of the current AI landscape are forcing even the most entrenched rivals to find common ground.

Future Implications for Local AI

The implications of this collaboration are profound for developers and enterprise customers. By enabling the local execution of such powerful models, Apple and Meta are effectively decentralizing AI compute. This reduces reliance on cloud-based infrastructure, which is often hindered by latency and data privacy concerns. As the industry moves toward more agentic AI, the ability to run these models on local, high-performance hardware like the Mac Studio may become the gold standard for secure and efficient development.

Conclusion: A Strategic Milestone

This partnership represents a rare convergence of software and hardware innovation. By combining Meta’s cutting-edge model architecture with Apple’s high-performance silicon, the companies have set a new benchmark for local AI deployment. As the tech landscape continues to evolve, the success of the Muse Spark Open on Mac systems may serve as a blueprint for future collaborations, proving that even the fiercest competitors can find mutually beneficial paths forward in the pursuit of technological advancement.

Verification Required?

Read the full report from the primary source

Go to TechCrunch