openclaw/docs/providers/zai.md
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---
summary: "Use Z.AI / Zhipu AI (GLM models) with OpenClaw"
read_when:
- You want Z.AI / GLM models in OpenClaw
- You need to choose between international and China endpoints
- You have a Coding Plan subscription
---
# Z.AI / Zhipu AI (GLM Models)
Z.AI and Zhipu AI provide access to **GLM** models. There are four provider configurations
depending on your region and subscription type.
## Provider Variants
| Provider | Region | Plan Type | Base URL |
|----------|--------|-----------|----------|
| `zai` | International | Pay-as-you-go | api.z.ai |
| `zai-coding` | International | Coding Plan | api.z.ai (coding endpoint) |
| `zhipu` | China | Pay-as-you-go | bigmodel.cn |
| `zhipu-coding` | China | Coding Plan | bigmodel.cn (coding endpoint) |
## Which should I use?
- **International users with pay-as-you-go**: Use `zai`
- **International users with Coding Plan subscription ($3-15/mo)**: Use `zai-coding`
- **China mainland users with pay-as-you-go**: Use `zhipu`
- **China mainland users with Coding Plan**: Use `zhipu-coding`
The Coding Plan endpoints are optimized for coding tools and have better tool-calling
performance. They use subscription-based billing rather than per-token billing.
## CLI Setup
```bash
# International (pay-as-you-go)
openclaw onboard --auth-choice zai-api-key
# International (Coding Plan)
openclaw onboard --auth-choice zai-coding-api-key
# China (pay-as-you-go)
openclaw onboard --auth-choice zhipu-api-key
# China (Coding Plan)
openclaw onboard --auth-choice zhipu-coding-api-key
```
### Non-interactive
```bash
# International (pay-as-you-go)
openclaw onboard --non-interactive --auth-choice zai-api-key --zai-api-key "$ZAI_API_KEY"
# International (Coding Plan)
openclaw onboard --non-interactive --auth-choice zai-coding-api-key --zai-coding-api-key "$ZAI_API_KEY"
# China (pay-as-you-go)
openclaw onboard --non-interactive --auth-choice zhipu-api-key --zhipu-api-key "$ZHIPU_API_KEY"
# China (Coding Plan)
openclaw onboard --non-interactive --auth-choice zhipu-coding-api-key --zhipu-coding-api-key "$ZHIPU_API_KEY"
```
## Environment Variables
| Provider | Primary Env Var | Fallback Chain |
|----------|-----------------|----------------|
| `zai` | `ZAI_API_KEY` | `Z_AI_API_KEY` |
| `zai-coding` | `ZAI_CODING_API_KEY` | `ZAI_API_KEY``Z_AI_API_KEY` |
| `zhipu` | `ZHIPU_API_KEY` | (none) |
| `zhipu-coding` | `ZHIPU_CODING_API_KEY` | `ZHIPU_API_KEY` |
The coding providers fall back to their respective general provider's env var, so you can
use a single API key for both if desired.
## Config Snippets
### International (pay-as-you-go)
```json5
{
env: { ZAI_API_KEY: "sk-..." },
agents: { defaults: { model: { primary: "zai/glm-4.7" } } }
}
```
### International (Coding Plan)
```json5
{
env: { ZAI_API_KEY: "sk-..." },
agents: { defaults: { model: { primary: "zai-coding/glm-4.7" } } }
}
```
### China (pay-as-you-go)
```json5
{
env: { ZHIPU_API_KEY: "sk-..." },
agents: { defaults: { model: { primary: "zhipu/glm-4.7" } } }
}
```
### China (Coding Plan)
```json5
{
env: { ZHIPU_API_KEY: "sk-..." },
agents: { defaults: { model: { primary: "zhipu-coding/glm-4.7" } } }
}
```
## Important Notes
- **Keys are subscription-gated**: Your API key only works on the endpoint matching
your active subscription. A Coding Plan key will return error 1113 ("Insufficient
balance") on the general pay-as-you-go endpoint, and vice versa. Choose the provider
variant that matches your subscription type.
- **Regional keys are not interchangeable**: Keys from z.ai don't work on bigmodel.cn
and vice versa. Create your key on the platform for your region.
- **Coding endpoint optimized for tools**: The coding endpoints have better
tool-calling performance and are recommended for use with coding assistants.
- **GLM models**: Models are available as `{provider}/glm-4.7`, `{provider}/glm-4.6`, etc.
See [/providers/glm](/providers/glm) for the model family overview.
- **Authentication**: All variants use Bearer token auth with your API key.