GPT88 Agent Docs

Gemini CLI with gpt88.cc

Use Gemini CLI and Google image models through gpt88.cc.

Configuration

setuptext
BASE_URL=https://img.gpt88.cc
API_KEY=your-gpt88-api-key
MODEL=gemini-3-pro-image-preview

Image generation uses the native Gemini generateContent endpoint.

Image endpoint test

gemini-image-test.shbash
curl -s -X POST \
  "https://img.gpt88.cc/v1beta/models/gemini-3-pro-image-preview:generateContent" \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [{"parts": [{"text": "Generate a 1:1 tech-style icon with no text"}]}],
    "generationConfig": {
      "responseModalities": ["TEXT", "IMAGE"],
      "imageConfig": {
        "aspectRatio": "1:1",
        "imageSize": "1K"
      }
    }
  }'

Notes

  • For image generation, use the media Base URL https://img.gpt88.cc.
  • Aspect ratios must use Gemini-supported values such as 1:1, 16:9, or 9:16.
  • Image sizes use uppercase values such as 1K, 2K, and 4K.

Next steps