Muse Spark Open · context window1M-token

Valid from

2026-10-15

Valid until

still holds

Published

2026-10-15

Recorded by AsOf

2026-11-04

Checked

2026-11-04 · its source page states the value and the date

Confidence

0.95

Sources

“Muse Spark Open is a natively multimodal model with 816B total parameters (42B active) and a 1M-token context window.”— what the page says, read 2026-11-04

• https://research.meta.ai/blog/muse-spark-openprimary · research.meta.ai · 2026-10-15

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