Muse Spark Review Fails Miserably

benstein · x · 2026-07-10

While using Fable for drafting a will and adversarial review, a user found that Meta's Muse Spark 1.1 produced a lot of "critical" but actually unreliable feedback. The author also mentioned spending the week reviewing legal texts using GPT 5.6 Sol Ultra, Muse Spark 1.1, and Grok 4.5, noting vast differences in how the models handled verifiable citations, explanations, legal phrasing, and risk assessment.

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