Meta ships Muse Spark 1.3, its third release in two months, targeting coding and agents

ren_hongyu · x · 2026-09-03

Meta has released Muse Spark 1.3, marking three consecutive upgrades (1.1 → 1.3) within two months. According to a team member, the focus has been on boosting coding, agent capabilities, instruction following, and long-context performance. The model is available to try on Meta's developer site, with feedback welcome.

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