Open GLM-4.x flagship update focused on agentic coding, reasoning and tool use.
Released
Dec 22, 2025
Context window
200K tokens
Max output
131K tokens
Parameters
355B 32B active
Input price
$0.60 per 1M
Output price
$2.20 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceDec 22, 2025
$0.60 in / $2.20 out
Current price
since Dec 22, 2025
$0.60 in / $2.20 out
Cached input $0.11 per 1M
Specifications
- Developer
- Z.ai (Zhipu AI)
- Model type
- Text LLM
- Architecture
- MoE
- Parameters
- 355B (32B active)
- Input
- Text
- Output
- Text
- Knowledge cutoff
- Not disclosed
- License
- MIT License
- API access
- First-party API
- Capabilities
- Agentic Coding Reasoning