# Meta Sells Its Frontier Models Through a Metered API, Ending the Open-Weights-Only Era

Muse Spark 1.1 carries a one-million-token context window and lists at $1.25 per million input tokens and $4.25 per million output tokens on the Meta Model API.

- Published: 2026-09-01T06:29:06.347Z
- Canonical: https://polylog.news/ai/2026-09-01/meta-sells-its-frontier-models-through-a-metered-api-ending
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Meta AI](https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/), [Meta AI](https://ai.meta.com/blog/introducing-muse-image-muse-video-msl/)

Meta's Muse Spark 1.1, the second model from Meta Superintelligence Labs, is a multimodal reasoning model built for agentic work, with a one-million-token context window and improvements in tool use, computer use and coding over the origina…

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