Meta · Released 2026-09-02
The capability model behind Muse; separate model improvements, product integration and the personal-agent experience.
Original model explanation ↗48points
Intelligence Index
Rank 7 among included models
max
Each model uses its highest tested setting on the source page, with fallback conditions retained; scores come from one evaluator.
Source read · · v4.3
Source evaluation & rankings ↗Official capability and integration
Coding, debugging and codebase understanding advance through co-training with Muse Code; the model and terminal agent launch together as distinct layers.
Original release ↗The release emphasizes longer tasks, tool use and coding, with max effort available in Muse Code and Meta Model API.
Original release ↗Product experience, not an isolated model test