GLM-5.2
Zhipu AI's MIT-licensed flagship extending GLM-5.1 to a 1M-token context, the highest-ranked open-source model on long-horizon coding benchmarks
GLM-5.2
Z.ai • June 2026
Training Data
Not disclosed
GLM-5.2
June 2026
Parameters
753 billion (40B active)
Training Method
MoE with IndexShare sparse attention and improved MTP speculative decoding
Context Window
1,000,000 tokens
Knowledge Cutoff
Not disclosed
Key Features
1M-Token Context Window • IndexShare: 2.9x FLOPs Reduction • MIT-Licensed Open Weights
Capabilities
Coding: Outstanding
Reasoning: Outstanding
Agentic Tasks: Excellent
What's New in This Version
Quintuples GLM-5.1's context to 1M tokens while cutting per-token compute 2.9x via IndexShare, and beats GPT-5.5 on SWE-bench Pro (62.1 vs 58.6) at roughly one-sixth the cost
Zhipu AI's MIT-licensed flagship extending GLM-5.1 to a 1M-token context, the highest-ranked open-source model on long-horizon coding benchmarks
What's New in This Version
Quintuples GLM-5.1's context to 1M tokens while cutting per-token compute 2.9x via IndexShare, and beats GPT-5.5 on SWE-bench Pro (62.1 vs 58.6) at roughly one-sixth the cost
Technical Specifications
Key Features
Capabilities
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