GLM-4.5 Air
GLM-4.5 Air is Zhipu AI's language model with a 131K context window and up to 131K output tokens, available from 6 providers, starting at $0.125 / 1M input and $0.850 / 1M output. A compact MoE variant of GLM-4.5 from Z AI, offering a lighter architecture while retaining strong agentic reasoning and tool-use performance.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
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
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 OpenRouter | $0.125 | $0.850 | $0.060 |
 Hugging Face | $0.130 | $0.850 | N/A |
 Novita | $0.130 | $0.850 | N/A |
 Vercel AI Gateway | $0.200 | $1.10 | $0.030 |
Z AI (Zhipu) | $0.200 | $1.10 | N/A |
 Fireworks AI | $0.220 | $0.880 | N/A |
Cost Calculator
Preset:
Other models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| GLM-4.7 | — | 205K | $0.400 | $1.75 | |
| GLM-4.6 | — | 205K | $0.430 | $1.74 | |
| GLM-4.5 | — | 131K | $0.400 | $1.60 |