Models
Muse Spark Open vs Open-source models
Muse Spark Open (Meta) and Open-source models (Various) are two tools in the “Models” category of the OrigoTech directory. This page puts the information from their tool pages side by side: 7 criteria are filled in for both tools. No editorial opinion: every value comes from the tool page, which cites its sources.
Tool page data · Verified
Comparison table
| Criterion | Muse Spark Open | Open-source models |
|---|---|---|
| Vendor | Meta | Various |
| Pricing | Free | Free |
| Pricing details | Free weights on Hugging Face; API via Baseten, Fireworks AI, Groq, OpenRouter, Together AI and others (source: research.meta.ai/blog/muse-spark-open). | Weights downloadable for free on Hugging Face; terms set by each model's licence (source: huggingface.co/models). |
| License | Muse Model License, not open source: it requires displaying "Built with Muse Spark Open" in every product that uses it (section 2) and a separate written agreement with Meta to offer it as an API ("Model as a Service") above $20M revenue over 12 months (section 3) (source: huggingface.co/meta-models/Muse-Spark-Open-816B-A42B). | Varies by model (e.g. MIT for DeepSeek V4.1-Flash-1017) |
| Open source | No | Yes |
| Open weights | Yes | — |
| Platforms | API, Local | Local |
| Context window | 1 million tokens | Varies by model |
| Context (tokens) | 1,000,000 Source | — |
| Reference model | Muse Spark Open (816B-A42B) | — |
| Coding score | 60% (DeepSWE v1.1) Source | — |
| Release | — | |
| Updated on |
“—”: information not filled in on the tool page.
What they have in common
- Same pricing model: free.
- Shared platforms: Local.
Differences
- Muse Spark Open is published by Meta, Open-source models by Various.
- Only Open-source models is open source.
- License: Muse Model License for Muse Spark Open, Varies by model for Open-source models.
- Platforms only Muse Spark Open offers: API.
Sources
- Meta: Muse Spark Open announcement
- Hugging Face: model card and Muse licence
- NVIDIA: Muse Spark Open on GB300 NVL72
- Menlo Ventures: 2025 State of Generative AI in the Enterprise
- Hugging Face: model catalogue
Tool pages and related pages
- Muse Spark Open tool page
- Open-source models tool page
- Muse Spark Open alternatives
- Open-source models alternatives
- Model comparison