glm-image

name	glm-image
description	AI image generation using Zhipu AI's GLM-Image model via OpenAI-compatible API. Use when user wants to generate images with Chinese-friendly output, especially for text-intensive tasks like posters, PPTs, and infographics.
version	2.0.0

GLM Image Generator

Image generation using Zhipu AI's GLM-Image model via OpenAI-compatible API.

Documentation: https://docs.z.ai/guides/image/glm-image

Key Features

• Text-intensive generation: Excellent at posters, PPTs, infographics with accurate text rendering
• Chinese prompts: Native Chinese language support
• Multiple aspect ratios: 1:1, 3:4, 4:3, 16:9, etc.
• High quality: Open-source SOTA in text rendering benchmarks

Setup

Requires Zhipu AI credentials in .baoyu-skills/.env:

OPENAI_API_KEY=<your-zhipu-api-key>
OPENAI_BASE_URL=https://open.bigmodel.cn/api/paas/v4/

API Endpoint

POST https://api.z.ai/api/paas/v4/images/generations

Usage

The agent should call baoyu-image-gen with OpenAI provider pointing to Zhipu AI:

npx -y bun <baoyu-image-gen-path>/scripts/main.ts \
  --provider openai \
  --model glm-image \
  --prompt "<prompt>" \
  --image <output.png> \
  --ar 3:4 \
  --quality 2k

Or via curl:

curl --request POST \
  --url https://api.z.ai/api/paas/v4/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "glm-image",
    "prompt": "A cute little kitten sitting on a sunny windowsill",
    "size": "1280x1280"
  }'

Available Models

Model	Description	Price
glm-image	Flagship model with autoregressive + diffusion decoder architecture	$0.015/image
cogview-4	Alternative image generation model	-

Supported Resolutions

Common resolutions (width x height must be 512-2048px, multiples of 32):

Aspect Ratio	Resolution
1:1	1280×1280
3:4	1056×1408
4:3	1408×1056
16:9	1728×960
9:16	960×1728

Notes

• Uses Zhipu AI's OpenAI-compatible endpoint
• Supports Chinese prompts natively
• Output is an image URL that needs to be downloaded
• No reference image support (Zhipu API limitation)
• Default aspect ratio: 3:4 (Xiaohongshu optimized)
• Excellent for text rendering in images (posters, infographics, etc.)