Z.ai· GLMNew model

GLM-5.1

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

Announced

07 Apr 2026 00:00 UTC

Detected

26 Aug 2026 16:28 UTC (+141d after)