z-ai/glm-4.6GLM-4.6 is Z.ai (Zhipu AI),Tsinghua University’s open-weights AI model, released Sep 30, 2025. It costs $0.60/M input and $2.20/M output tokens, and handles a 205K-token context window.
Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to handle more complex…
Scores on standardized evaluations. Higher is better — and rank shows where GLM-4.6 lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Broad expert knowledge
Contamination-free coding
Scientific research coding
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
Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to handle more complex…
GLM-4.6 is an AI model developed by Z.ai (Zhipu AI),Tsinghua University, released Sep 30, 2025.
GLM-4.6's list price from Z.ai (Zhipu AI),Tsinghua University is $0.60 per million input tokens and $2.20 per million output tokens. The cheapest credible third-party provider on OpenRouter (Novita) serves it at $0.55/$2.20 per 1M.
GLM-4.6 supports a context window of up to 205K tokens.
On standardized evaluations tracked by Epoch AI, GLM-4.6 scores 82.9% on MMLU-Pro, 86.0% on AIME 2024/2025, 1366 on WebDev Arena.
GLM-4.6 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.