z-ai/glm-5.2GLM 5.2 is a large-scale reasoning model from Z.ai.
Scores on standardized evaluations. Higher is better — and rank shows where GLM-5.2 lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Factual accuracy & hallucination
Novel ML problem-solving
Real GitHub issue resolution
Human-rated web development
Olympiad-qualifier math
GLM 5.2 is a large-scale reasoning model from Z.ai.
GLM-5.2 is an AI model developed by Z.ai (Zhipu AI), released Jun 16, 2026.
GLM-5.2 is priced at $0.95 per million input tokens and $3 per million output tokens (representative pricing via OpenRouter).
GLM-5.2 supports a context window of up to 1M tokens.
On standardized evaluations tracked by Epoch AI, GLM-5.2 scores 1593 on WebDev Arena, 91.9% on GPQA Diamond, 78.7% on SWE-bench Verified.
GLM-5.2 is released with open weights (Open weights (unrestricted)), so the model can be downloaded and self-hosted.
Model & benchmark data from Epoch AI (CC BY); pricing, specs & descriptions from OpenRouter. Data updated June 2026.