From the source
Z.ai announced GLM-5.1, a model designed for long-horizon tasks that can work independently for up to 8 hours, with stronger engineering intelligence and capability alignment with Claude Opus 4.6.
From the source
Designed for long-horizon tasks, GLM-5.1 can work independently for up to 8 hours in a single run, enabling a full loop from planning and execution to iterative refinement and final delivery.
docs.z.ai
