GLM-5-Turbo

GLM-5-Turbo is a Z.AI foundation model purpose-built for the OpenClaw personal-agent framework rather than serving as a general flagship. According to Z.AI's developer documentation, it was specifically optimized for OpenClaw requirements during the training phase itself, targeting tool invocation, command following, timed and persistent tasks, and long-chain execution. Therundown AI describes it as a text-only agentic language model oriented around OpenClaw-style tool use, scheduled tasks, and high-throughput execution chains, which matches Z.AI's positioning of it as a ClawBench Enhanced Model rather than the newest GLM generation.

Practically, GLM-5-Turbo is well suited to agent developers who need sustained reasoning across many steps and large working memory. Both Z.AI's docs and the independent Therundown AI overview confirm a 200K-token context window paired with an unusually large 128K maximum output, enabling extended chains of tool calls and responses without aggressive truncation. The model supports thinking modes, real-time streaming output, function calling, structured output, MCP integration, and context caching, all of which align with its agent-first design. The trade-off is specialization and age within Z.AI's fast-moving family, where newer GLM-5.2 and GLM-5.3 generations have since moved toward broader long-context, coding, and multimodal capability, making Turbo the better fit when OpenClaw-style agentic behavior is the priority.