Z Ai: Z.ai: GLM 5
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading... Flagship open-source model rivaling closed-source leaders Advanced agentic planning and full-system construction Deep backend reasoning with iterative self-correction Production-grade on large-scale programming tasks Newer ecosystem with fewer integrations than established models Agentic reliability not yet battle-tested at scale Limited brand recognition outside China Complex systems design and architecture Long-horizon autonomous agent workflows Large-scale programming and backend development Cost-effective alternative to closed-source flagships
Specifications
| Lab | Z Ai |
|---|---|
| Context window | 202,752 |
| Input price | $0.60/1M |
| Output price | $1.92/1M |
| Release | 2026-02-01 00:00:00 |
Strengths
- Flagship open-source model rivaling closed-source leaders
- Advanced agentic planning and full-system construction
- Deep backend reasoning with iterative self-correction
- Production-grade on large-scale programming tasks
Weaknesses
- Newer ecosystem with fewer integrations than established models
- Agentic reliability not yet battle-tested at scale
- Limited brand recognition outside China
Best for
- Complex systems design and architecture
- Long-horizon autonomous agent workflows
- Large-scale programming and backend development
- Cost-effective alternative to closed-source flagships
In Depth: Z.ai: GLM 5
Summary
Z.ai: GLM 5 is an AI model from Z Ai.
Released 2026-02-01 00:00:00. It currently appears in the Overall category on LMRank and 1 other category. It supports Text input and produces Text output, with a context window of 202.8K tokens. Input pricing is $0.60 per 1M tokens and output is $1.92 per 1M tokens on OpenRouter.