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Muse Spark 1.1 is now available on OpenRouter for US-based developers…

2026-07-16 · 17:17 UTC ·@AIatMeta ·0 min read

Brief

Muse Spark 1.1 is now available on OpenRouter for US-based developers, announced by @AIatMeta on July 16, 2026. Meta invited the community to start building with the updated model; the post highlights the US-only availability. Developer Lorenzo Nuvoletta had earlier queried OpenRouter about the Muse Spark 1.1 timeline.

Why it matters

Muse Spark 1.1 is now available on OpenRouter for US-based developers (announcement posted by @AIatMeta on 2026-07-16).

Key details

  • @AIatMeta invited the developer community to build with the model; the release is geographically limited to the United States.
  • Independent developer Lorenzo Nuvoletta (@nuvolore) had previously asked OpenRouter when Muse Spark 1.1 would be released.
Source evidence

We heard you and are happy to announce that Muse Spark 1.1 is now available on @OpenRouter for US-based developers.

We look forward to seeing what the community builds.

Lorenzo Nuvoletta (@nuvolore)

@OpenRouter when Muse Spark 1.1?

— https://nitter.net/nuvolore/status/2075397025152282768#m