GLM-5.2

Trends

• Chinese labs take the lead in open-weight models

Items

1. Jun 13

   Z.ai's GLM-5.2

   A 753B-parameter MoE (~40B active) with a stable 1M-token context and MIT-licensed weights, scoring 62.1 on SWE-bench Pro versus GPT-5.5's 58.6 and 74.4% on FrontierSWE, with IndexShare attention cutting per-token compute ~2.9x at full context.