muse-spark
Everything on Ground Truth tagged “muse-spark” — 1 item.
Meta's Muse Spark 1.3 caught GPT-5.6 on one scoreboard and still trails Claude News
Meta released Muse Spark 1.3 on September 2, 2026, and Artificial Analysis scored its public tier at 61 on its Intelligence Index, level with OpenAI's GPT-5.6 Sol, while the same measurement puts Anthropic's Fable 5.1 four points ahead of Meta's best variant.