Industry Insights9 min
GLM-5.1: First Open-Source Model to Top SWE-bench Pro (2026)
Z.ai released GLM-5.1 on April 7, 2026 — a 754B open-weight model that became the first open-source AI to top SWE-bench Pro, beating GPT-5.4 and Claude Opus 4.6. MIT-licensed and OpenAI-compatible, it deploys via API, Ollama, or vLLM and plugs directly into Claude Code and Cline.
Glm 5.1Z.AiOpen Source Ai
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