z-ai/glm-4.5GLM-4.5 is Z.ai (Zhipu AI),Tsinghua University’s open-weights AI model, released Aug 5, 2025. It costs $0.60/M input and $2.20/M output tokens, and handles a 131K-token context window.
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens.
Scores on standardized evaluations. Higher is better — and rank shows where GLM-4.5 lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Broad expert knowledge
Novel ML problem-solving
Contamination-free coding
Scientific research coding
Olympiad-qualifier math
Tool-agent-user reliability
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens.
GLM-4.5 is an AI model developed by Z.ai (Zhipu AI),Tsinghua University, released Aug 5, 2025.
GLM-4.5's list price from Z.ai (Zhipu AI),Tsinghua University is $0.60 per million input tokens and $2.20 per million output tokens.
GLM-4.5 supports a context window of up to 131K tokens.
On standardized evaluations tracked by Epoch AI, GLM-4.5 scores 83.5% on MMLU-Pro, 73.8% on LiveCodeBench, 78.2% on GPQA Diamond.
GLM-4.5 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.