GLM-5.2
Zhipu AI (Z.ai) · 2026-06-16 · 753.3B parameters
GLM-5.2 is Z.ai's open-weight flagship text model for long-horizon work, released June 16, 2026, with a 1,048,576-token context window and multiple thinking-effort levels. Its released 78-layer MoE checkpoint contains exactly 753,329,921,024 model parameters and uses DeepSeek Sparse Attention over MLA with IndexShare, which reuses the same indexer across every four sparse-attention layers. Z.ai releases it under MIT without regional restrictions.