GLM-4.5 Flash is Zhipu AI's language model with a 128K context window and up to 32K output tokens. A fast, lightweight variant of the GLM-4.5 series from Z AI, optimized for low-latency agentic and tool-use applications.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities1/13
Reasoning·
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GLM-5.3 Flash | 1.3M | $0.075 | $0.250 | Available | |
| GLM-4.6V Flash | 128K | — | — | Available | |
| GLM-4.5 Flash | — | 128K | — | — | Current |
| GLM-4.7 Flash Non-Reasoning | — | — | — | — | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| GLM-5.3 | — | 1.0M | $1.40 | $4.40 | |
| GLM-5.2 Fast | — | 1.0M | $2.10 | $6.60 | |
| GLM-5.2 | — | 1.0M | $0.610 | $1.98 | |
| GLM-5V Turbo | — | 203K | $1.20 | $4.00 | |
| GLM-5 Turbo | — | 203K | $1.20 | $4.00 | |
| GLM-5.1 Non-Reasoning | — | — | — | — | — |
| GLM-5 Non-Reasoning | — | — | — | — | — |
| GLM-5 Code | — | — | 200K | $1.20 | $5.00 |
| GLM-5.1 Fast | — | — | 203K | $2.80 | $8.80 |
| GLM-5.1 NVFP4 MTP | — | — | 203K | $1.40 | $4.40 |