z-ai/glm-5GLM-5 is Z.ai (Zhipu AI)’s open-weights AI model, released Feb 17, 2026. It costs $1/M input and $3.20/M output tokens, and handles a 205K-token context window. Its strongest use case is agentic & tools, where it ranks in the 64th percentile of the models Model Beat tracks.
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows.
Scores on standardized evaluations. Higher is better — and rank shows where GLM-5 lands among all models tracked on Model Beat.
Abstract visual reasoning
Harder abstract reasoning
Graduate-level scientific reasoning
Frontier of human expert knowledge
Common-sense trick questions
Novel ML problem-solving
Scientific research coding
Real GitHub issue resolution
Human-rated web development
Olympiad-qualifier math
Research-level math problems
Hardest research math
Multi-step agentic tasks
Command-line agentic tasks
Tool-agent-user reliability
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows.
GLM-5 is an AI model developed by Z.ai (Zhipu AI), released Feb 17, 2026.
GLM-5's list price from Z.ai (Zhipu AI) is $1 per million input tokens and $3.20 per million output tokens. The cheapest credible third-party provider on OpenRouter (Baidu) serves it at $0.70/$2.24 per 1M.
GLM-5 supports a context window of up to 205K tokens.
On standardized evaluations tracked by Epoch AI, GLM-5 scores 98.2% on τ²-bench, 87.8% on GPQA Diamond, 46.2% on SciCode.
GLM-5 is released with open weights (Open weights (unrestricted)), so the model can be downloaded and self-hosted.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Jul 30, 2026.