Muse Spark 1.3+ (Meta) release date

Question

The '+' means any version at or above 1.3 counts: if Meta skips 1.3 and releases Muse Spark 1.4 or Muse Spark 2, that still counts for the purpose of this market. Minor changes to the name, or other names for a model generally expected to be called Muse Spark 1.3, will also count.

The model must be accessible without individual vetting or invitation — free or paid, via API or product. Open, non-selective waitlists count. Closed betas, invite-only access, researcher programs, A/B tests, and anonymous benchmark appearances do not. Country-level bans do not prevent resolution.

See also:

@8AyI5Np5yl

@OchSUnInIq

@cgl2IP0yIC

@LU5RqqqEuA

@2OzL6Q56y8

@IZO2UZgUNO

@2CqdhIO9cU

@AnL9Aqgzc5

@N0qR0nZl8O

@AzzEpzA8ys

@ntStglnQz0

@SCnZAUUzEP

@ytI2ZPyzt5

@y5CU6hUn6s

@lPSIdZRpQs (this market)

@qyC5ychznC

@RlI6hyuNpU

@2Rh2t5hALp

@NONz6Ntycp

Manifold Markets · Answer

Per Manifold Markets prediction market, Before 2026-12-16, followed by Before 2026-12-01 and Before 2026-11-16 are most likely. See the market for live updates (2 traders, as of Aug 31, 2026).

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