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Latest / Frontier models and safety

Model releaseFrontierChinaConfirmed

Zhipu’s GLM-5.1 tops GPT-5.4 and Opus 4.6 on SWE-Bench Pro, by its own count

See how this story connects

Source: Z.ai: GLM-5.1

Z.ai released GLM-5.1, an open flagship model for agentic engineering that it said scores 58.4 on SWE-Bench Pro against 57.7 for GPT-5.4, 57.3 for Claude Opus 4.6 and 55.1 for GLM-5, and stays effective over longer agent sessions.

Why it matters

An open Chinese model claimed the lead on a hard real-world coding test over the top US closed models of the time.

When
7 Apr 2026
ID
WTA-N-2026-0198
Where
China
Who
Zhipu AI

Summary by wheresthe.ai, from Z.ai. Checked against the source on 10 Oct 2026.

Read the original at Z.ai

Source copy: download the page as saved on 21 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: Led toZhipu releases GLM-5.2 under MIT licence with a 1-million-token context

Cite this story

WTA-N-2026-0198: “Zhipu’s GLM-5.1 tops GPT-5.4 and Opus 4.6 on SWE-Bench Pro, by its own count.” wheresthe.ai, 7 Apr 2026. https://wheresthe.ai/d/cn-zhipu-glm-5-1-release-2026-04/ (source: Z.ai: GLM-5.1).

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