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Muse Spark Open

huggingface.co

Meta's open-weight multimodal MoE (816B total / 42B active, 1M context) for coding and agents; APIs via OpenRouter and others.

Visit Muse Spark Open ↗

CategoryNew AI Models
Websitehuggingface.co
StatusNew release
Alternatives6 on PickAI

What is Muse Spark Open?

Muse Spark Open is an AI tool in the New AI Models category on PickAI. Meta's open-weight multimodal MoE (816B total / 42B active, 1M context) for coding and agents; APIs via OpenRouter and others. Newly released frontier models for text, code, images and voice.

Who is Muse Spark Open for?

Muse Spark Open is a good fit for builders evaluating the newest frontier and open models for their apps. If you are comparing options, look at how it fits your workflow, pricing on the official website, and the alternatives below such as GPT-6.1 Sol, GPT-6 Luna, GPT Image 2.5.

Muse Spark Open in the news

Meta AI Research

Meta releases Muse Spark Open weights

Meta released Muse Spark Open, an 816B-parameter open-weight multimodal model (42B active) with a 1M-token context window for coding and agents. Weights are on Hugging Face; hosted APIs include OpenRouter, Groq and others, and it can run on two Apple M5 Ultra Mac Studios via MLX.

2026-10-15
The Verge

Google and Meta re-enter the AI model race

The Verge argues that new releases from Google and Meta have broken the recent lead Anthropic and OpenAI seemed to hold.

2026-10-14
MIT Technology Review

Do open AI models' benefits outweigh the risks?

MIT Technology Review explains the debate over open-weight models, sparked by a recent Anthropic report on their risks.

2026-10-13

Alternatives to Muse Spark Open

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GPT-6.1 Sol

developers.openai.com

OpenAI model for complex coding and professional work, cheaper than GPT-6 Astra; supports multi-agent (beta).

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GPT-6 Luna

developers.openai.com

OpenAI's low-cost reasoning model with text and image input via the Responses API.

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GPT Image 2.5

developers.openai.com

OpenAI image models: Flare for fast generation, Sunburst for precise editing.

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GPT-Live 1

developers.openai.com

OpenAI full-duplex voice model for live conversations while an agent reasons in the background.

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Nemotron 3.5 Super VL

huggingface.co

NVIDIA open 120B multimodal agent model for tool use and document vision; Bolt variants for local RTX/DGX Spark.

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GPT-Rosalind

openai.com

OpenAI life-sciences model with Rosalind workbench for chemistry, genomics and wet-lab workflows; academic plan available.

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