Muse Spark 1.1 from Meta. Proprietary API model. 1.0M context. $1.25/$4.25 per 1M tokens. Arena text #11.
Training data policy: API data not used for training by default (opt-out / ZDR available)
DPDP Act (India): No India-resident inference by default. Use DPA + region controls.
Data residency: US, EU
API available globally