Scale AI's open muse spark model hits seven API platforms, runs on vLLM, SGLang, MLX

alexandr_wang · x · 2026-10-16

Scale AI founder Alexandr Wang announced that muse spark open is available today via seven API platforms: Baseten, Fireworks AI, Groq, Modal, Nebius, OpenRouter, and Together AI.

Weights are downloadable from Amazon SageMaker AI, Google Cloud Model Garden, Hugging Face, and Microsoft Foundry Model Catalog. It runs on SGLang, vLLM, TensorRT-LLM, Transformers, Apple MLX, llama.cpp, and Unsloth, with optimizations for AMD, Apple, Intel, and NVIDIA silicon, and can be customized via PyTorch.

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