GPT-Image-2
GPT-Image-2 이미지 생성
Generate images with gpt-image-2, supporting text-to-image and reference_images based image generation
POST
- Unified image generation API
- Select the
gpt-image-2model via themodelparameter - Supports text-to-image, single-reference, and multi-reference image generation
- Async task management with task ID based result lookup
Authorizations
All endpoints require Bearer Token authenticationGet your API Key from the API Key Management PageAdd to request header:
Body
Image generation model nameExample:
"gpt-image-2"Text prompt for image generationMaximum 32,000 characters for GPT image models
Output image aspect ratioCurrently supported ratios:
1:1, 3:2, 2:3, 4:3, 3:4, 5:4, 4:5, 16:9, 9:16, 2:1, 1:2, 21:9, 9:21Output resolution tierSupported values:
1k, 2k, 4kSize Reference
| size | 1k | 2k | 4k |
|---|---|---|---|
1:1 | 1024x1024 | 2048x2048 | 2880x2880 |
3:2 | 1536x1024 | 2048x1360 | 3520x2336 |
2:3 | 1024x1536 | 1360x2048 | 2336x3520 |
4:3 | 1024x768 | 2048x1536 | 3312x2480 |
3:4 | 768x1024 | 1536x2048 | 2480x3312 |
5:4 | 1280x1024 | 2560x2048 | 3216x2576 |
4:5 | 1024x1280 | 2048x2560 | 2576x3216 |
16:9 | 1536x864 | 2048x1152 | 3840x2160 |
9:16 | 864x1536 | 1152x2048 | 2160x3840 |
2:1 | 2048x1024 | 2688x1344 | 3840x1920 |
1:2 | 1024x2048 | 1344x2688 | 1920x3840 |
21:9 | 2016x864 | 2688x1152 | 3840x1648 |
9:21 | 864x2016 | 1152x2688 | 1648x3840 |
Number of images to generateDefault: 1
응답 formatThe API returns image URLs, so
url is the recommended valueReference image URLs for image-to-image generation⚠️ URL format only (base64 no longer supported)
- Publicly accessible URLs (
http://orhttps://) - You can use the Upload 이미지 API to upload local files and get URLs
- Supports single-image and multi-image reference
Backward-compatible reference image fieldToAPIs automatically normalizes it to
reference_images응답
Unique task identifier for status queries
Object type, always
generation.task모델 name used
Task status
queuedin_progresscompletedfailed
Task progress percentage (0-100)
Task creation timestamp (Unix timestamp)