Chinese Open-Weight Coding LLMs: 2026's Three-Week Sweep
May 11, 2026
In 17 days, GLM-5.1, Kimi K2.6, and DeepSeek V4 shipped frontier-tier open-weight coding LLMs at a fraction of Western prices. Inside the April 2026 wave.
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GLM-5.1: The Open-Source Model That Beat GPT-5.4
April 19, 2026
GLM-5.1 (April 2026): Z.ai's 754B open-weight model scored 58.4% on SWE-bench Pro, beating GPT-5.4 and Claude Opus 4.6 on real coding benchmarks.