GLM-5.3 FlashX
GLM-5.3 FlashX is Zhipu AI's language model with a 1.0M context window and up to 131K output tokens, available from 4 providers, starting at $0.286 / 1M input and $1.00 / 1M output. A high-speed serving variant of Z.ai's native multimodal coding LLM with 320B total parameters, 18B activated parameters, and a 1M-token context window.
Capabilities
Input3/5
Text✓
Image✓
Audio·
Video✓
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| $0.286 | $1.00 | $0.0814 | |
| $0.37 | $1.25 | $0.075 | |
| $0.37 | $1.25 | $0.075 | |
| $0.37 | $1.25 | $0.075 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GLM-5.3 FlashX Legal | 1.0M | $0.370 | $1.25 | Available | |
| GLM-5.3 FlashX | 1.0M | $0.286 | $1.00 | Current | |
| GLM-5.3 Flash | 1.3M | $0.027 | $0.100 | Available | |
| GLM-5.3 Flash Abliterated | — | 1.0M | $0.120 | $0.500 | Available |
| GLM-5.3 Flash US | — | 1.0M | $0.225 | $0.750 | Deprecating |
| GLM-4.6V Flash | 128K | — | — | Available | |
| GLM-4.5 Flash | — | 128K | — | — | Available |
| GLM-4.7 Flash Non-Reasoning | — | — | — | — | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| GLM-5.3 Prime | — | 1.0M | $2.80 | $8.80 | |
| GLM-5.3 | — | 1.3M | $0.080 | $1.76 | |
| GLM-5.3 (50% off) | — | 1.0M | — | — | |
| GLM-5.2 Fast | — | 1.0M | $2.10 | $6.60 | |
| GLM-5.2 | — | 1.0M | $0.006 | $1.76 | |
| GLM-5V Turbo | — | 205K | $0.704 | $3.10 | |
| GLM-5 Turbo | — | 203K | $1.20 | $4.00 | |
| GLM-5 Code | — | — | 200K | $1.20 | $5.00 |
| GLM-5 Non-Reasoning | — | — | — | — | — |
| GLM-5.1 CC | — | — | 200K | $0.060 | $0.220 |