Muse Spark Open

Meta · release date unknown

Open-weight (restricted)UStextimagevideoaudio

Openness taxonomy

access, licence, and disclosure — never a single open/closed binary

Weights availability: Free to download
Licence: unknown
Licence category: unknown
Commercial use allowed: unknown
Derivatives allowed: unknown
Redistribution allowed: unknown
Field-of-use restrictions: unknown
Training code availability: unknown
Inference code availability: unknown
Architecture disclosure: unknown
Training data disclosure: unknown

openness confidence

Source says Muse Spark Open weights are free to download.
Source says the model is locally deployable.

Deployability

raw values as extracted — free text, never inferred from branding

Self-hosting: Locally deployable
On-premise: unknown
Edge deployability: unknown
API availability: unknown
Regions available: unknown

Benchmarks

as reported — vendor-supplied unless otherwise noted

Artificial Analysis Intelligence Index average identical to DeepSeek-V4.1-Flash; reported as the top open-weights model outside China

National-security pathway & evidence

from the assessed source item, when one is linked

Impact: highConfidence: lowNat-sec: indirectdiscovery

Domains: tech_sovereignty, information_ops

Pathway: Free-to-download weights for a locally deployable model that accepts audio and video could broaden access to multimodal AI capabilities without requiring hosted API access.

Evidence limitations: The source is a discovery-class item; the reported benchmark comparisons are not independently verified here, and it gives no licence terms for Muse Spark Open.

Meta Releases Wonder, Opens Spark: All about Muse Wonder (API), Muse Wonder Full (subscription), and Muse Spark Open (weights available)

Linked research papers

from paper_model_links

No linked research papers yet.