GLM-5.2-Fast-Preview is the high-speed variant of Zhipu AI's GLM-5.2, with 1M context and capabilities on par with the standard version. Inference-optimized to deliver 1.5–2× the output TPS, it fits latency-sensitive use cases such as real-time chat, multi-turn agents, and streaming code generation.
Inference Service Provider
The inference service provider for glm-5.2-fast-preview is Alibaba Cloud Model Studio.
Model Capabilities
| Capability | Support | Capability | Support |
|---|---|---|---|
Input Modality |
Text |
Output Modality |
Text |
Model Experience |
Function Calling |
||
Structured Outputs |
Web Search |
||
Prefix Completion |
Context Caching |
||
Batch Inference |
Fine-tuning |
Context Limits
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Max Input Length |
1048576 |
Max Output Length |
131072 |
Context Window |
1048576 |
Max Input Length (Thinking Mode) |
1048576 |
Max Output Length (Thinking Mode) |
131072 |
Pricing
This page only shows the original pricing for model API calls, excluding any limited-time promotions. Visit Model Studio Console for promotional offers.
China (Beijing)
| Billing Item | Price (CNY) | Unit |
|---|---|---|
Input |
16 |
Per 1M tokens |
Output |
56 |
Per 1M tokens |
Input(Implicit Cache) |
4 |
Per 1M tokens |
Singapore
Scope: International
| Billing Item | Price (CNY) | Unit |
|---|---|---|
Input |
20.984 |
Per 1M tokens |
Output |
65.948 |
Per 1M tokens |
Input(Implicit Cache) |
4.196 |
Per 1M tokens |
Rate Limits
China (Beijing)
| Parameter | Value |
|---|---|
RPM (Requests Per Minute) |
30000 |
TPM (Tokens Per Minute) |
1,000,000 |
Singapore
Scope: International
| Parameter | Value |
|---|---|
RPM (Requests Per Minute) |
500 |
TPM (Tokens Per Minute) |
1,000,000 |
Snapshot Versions
glm-5.2-fast-preview
GLM-5.2-Fast-Preview is the high-speed variant of Zhipu AI's GLM-5.2, with 1M context and capabilities on par with the standard version. Inference-optimized to deliver 1.5–2× the output TPS, it fits latency-sensitive use cases such as real-time chat, multi-turn agents, and streaming code generation.
Inference Service Provider
The inference service provider for glm-5.2-fast-preview is Alibaba Cloud Model Studio.
Model Capabilities
| Capability | Support | Capability | Support |
|---|---|---|---|
Input Modality |
Text |
Output Modality |
Text |
Model Experience |
Function Calling |
||
Structured Outputs |
Web Search |
||
Prefix Completion |
Context Caching |
||
Batch Inference |
Fine-tuning |
Context Limits
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Max Input Length |
1048576 |
Max Output Length |
131072 |
Context Window |
1048576 |
Max Input Length (Thinking Mode) |
1048576 |
Max Output Length (Thinking Mode) |
131072 |
Pricing
This page only shows the original pricing for model API calls, excluding any limited-time promotions. Visit Model Studio Console for promotional offers.
China (Beijing)
| Billing Item | Price (CNY) | Unit |
|---|---|---|
Input |
16 |
Per 1M tokens |
Output |
56 |
Per 1M tokens |
Input(Implicit Cache) |
4 |
Per 1M tokens |
Singapore
Scope: International
| Billing Item | Price (CNY) | Unit |
|---|---|---|
Input |
20.984 |
Per 1M tokens |
Output |
65.948 |
Per 1M tokens |
Input(Implicit Cache) |
4.196 |
Per 1M tokens |
Rate Limits
China (Beijing)
| Parameter | Value |
|---|---|
RPM (Requests Per Minute) |
30000 |
TPM (Tokens Per Minute) |
1,000,000 |
Singapore
Scope: International
| Parameter | Value |
|---|---|
RPM (Requests Per Minute) |
500 |
TPM (Tokens Per Minute) |
1,000,000 |