GLM 5.2 vs GLM 5.1

Z.ai GLM 5.2Z.ai GLM 5.1
VendorZ.aiZ.ai
Context window1,000,000200,000
Max output128,000128,000
ReasoningYesYes
Tool callingYesYes
File inputNoNo
Inputtexttext
Outputtexttext
Released2026-06-152026-04-06