# Meta sells closed Muse models at about a quarter of rival prices while releasing an 816-billion-parameter open-weight Muse Spark

Muse Spark 1.1 lists at $1.25 per million input tokens and $4.25 per million output tokens, and Muse Spark Open needs at least 700 gigabytes of accelerator memory in the NVFP4 four-bit format.

- Published: 2026-11-08T06:30:20.452Z
- Canonical: https://polylog.news/ai/2026-11-08/meta-sells-closed-muse-models-at-about-a-quarter-of-rival-pr
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Meta AI (Muse Spark API)](https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/), [Meta AI (Muse Image and Muse Video)](https://ai.meta.com/blog/introducing-muse-image-muse-video-msl/), [Implicator](https://www.implicator.ai/meta-prices-its-first-paid-ai-model-api-at-4-25-per-million-output-tokens/), [The New Stack](https://thenewstack.io/meta-muse-spark-open/)

Meta now offers two product lines within its Muse family. Muse Spark, announced in April, was the company's first frontier model released without open weights, a change from its Llama strategy of releasing open weights. Meta opened a paid M…

This story is for subscribers. Read it in full at https://polylog.news/ai/2026-11-08/meta-sells-closed-muse-models-at-about-a-quarter-of-rival-pr (subscription information: https://polylog.news/pricing).