LLM
GA
Open weights
GLM-5.3
Open-weight agentic coding, 1M context
Release2026-10
Context1M
Max output131,072 tokens
Parameters753B
Local / VRAM760–1000 GB
LicenseOpen weights
Overview
GLM-5.3 is a model in the LLM category from Z.ai (Zhipu AI). It was released in 2026-10. The vendor is based in China. Best for: Open-weight agentic coding, 1M context.
Strengths
- 1M context
- Strong coding
- Open weights
Limits
- Custom license
- Large hardware footprint
Specifications
| Vendor | Z.ai (Zhipu AI) |
|---|---|
| Category | LLM |
| Release | 2026-10 |
| Status | GA |
| License | Open weights |
| License name | GLM custom license |
| Commercial use | Conditional |
| Parameters | 753B |
| Active parameters | 40B |
| Architecture | MoE transformer |
| Context window | 1M |
| Max output tokens | 131,072 |
| Input modalities | Text |
| Output modalities | Text |
| Prompt types | Text |
| Negative prompts | No |
| Max outputs | 1 |
| Local deployment | Yes |
| VRAM | 760–1000 GB |
| System RAM | 900–1800 GB |
| API access | Yes |
| Pricing | Token-based API / free weights |
| Confidence | Medium |
| Vendor country | China |
| Vendor type | Open lab |
Pricing & hardware
Token-based API / free weights
This model can be self-hosted or run locally. Approximate GPU memory: 760–1000 GB. Approximate system RAM: 900–1800 GB. API access is available.