Meta Platforms Shares Jump 7% on Muse Spark AI Launch

Meta Platforms shares jumped 7% on April 8, 2026, after unveiling its new AI model Muse Spark.
Muse Spark offers multimodal reasoning, tool‑use, visual chain‑of‑thought and multi‑agent orchestration, accessible via meta.ai, the Meta AI app and a private API preview.
Contemplating mode, running multiple agents, achieved 58% on Humanity’s Last Exam and 38% on FrontierScience Research benchmarks.
Safety tests showed strong refusal across high‑risk domains; Apollo Research rated Muse Spark highest for evaluation awareness among models.