GLM-5.1

GLM-5.1 is positioned as a next-generation flagship built for agentic engineering, taking direct aim at software development workflows where multi-step reasoning and tool use matter. It is described as a successor to GLM-5 with significantly stronger coding capabilities, and the available evidence points to measurable gains on real-world coding tasks rather than incremental tweaks. On the SWE-Bench Pro benchmark it is reported to achieve state-of-the-art performance, leading the prior GLM-5 by a wide margin, which underscores the model's emphasis on practical, repository-scale engineering problems rather than isolated code completions.

The Ollama-hosted distribution lists GLM-5.1 at 756 billion parameters with a 198K-token context window, and exposes it as a cloud variant alongside agentic coding environments such as Claude Code, OpenCode, Hermes Agent, and OpenClaw. This combination of a very large parameter count, a long context, and first-class integrations with coding agents suggests the model is engineered for sustained, tool-driven sessions rather than short single-turn queries. A separate NVIDIA Developer Forums thread from late March 2026 shows the community actively requesting GLM-5.1 for NIM under the Z.ai attribution, signaling broader ecosystem interest in deploying the model across inference platforms.