Muse Spark Open
active
Meta2026-10-15
Specifications
Modalities
text
image
audio
video
Context Window1049K tokens
Max Output-
Training Cutoff-
Open SourceYes
Pricing (per 1M tokens)
Input$-
Output$-
Benchmarks
MMLU-Pro-
SWE-Bench-
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model ID
meta-models/Muse-Spark-Open-816B-A42BSources
- Hugging Face: Welcome Muse Spark Open: open-weight frontier multimodal mixture-of-experts model from Meta
release date, model id, modalities, context window, is open source · as of 2026-10-15