Grok Imagine Image
Grok Imagine Image is xAI's state-of-the-art image generation and editing model, delivering ultra-fast inference (~5 seconds) with high visual quality. It supports both text-to-image generation and image editing via natural language prompts.
- Need video generation? Try Grok Imagine Video
☀️ Why it stands out
- Ultra-fast generation Typically completes in under 6 seconds, one of the fastest image models available.
- Image editing Provide an input image and describe the edits in natural language — style transfer, object modification, background replacement, and more.
- 14 aspect ratio options From standard (1:1, 16:9) to ultra-wide (20:9) and phone-native (9:19.5), plus auto detection.
- High visual quality State-of-the-art output quality with photorealistic rendering, detailed textures, and accurate text generation.
- Simple API Just 3 parameters — prompt, optional image, and aspect ratio. Easy to integrate and iterate.
⚙️ How to use
- Input: text prompt, optionally with an input image for editing
- Output: generated or edited image
- Aspect ratios: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 2:1, 1:2, 19.5:9, 9:19.5, 20:9, 9:20, auto
- Generation modes:
- Text-to-image — prompt only
- Image editing — prompt + input image (aspect ratio is ignored when editing)
🔥 Pricing
| RouteAny | Replicate | |
|---|---|---|
| Per image | $0.003 | $0.003 |
💡 Best Use Cases
- Rapid prototyping — Generate visual concepts in seconds for quick iteration.
- Social media content — Create eye-catching images with phone-native aspect ratios (9:16, 9:19.5).
- Image editing — Transform existing photos with natural language descriptions.
- Marketing & branding — Generate banners, ads, and product visuals across all standard formats.
- Batch generation — Fast inference and low cost make it ideal for high-volume workflows.
📝 Notes
- Prompts exceeding 2500 characters will be truncated.
- Supported input image formats: jpg, jpeg, png, webp.
- Aspect ratio is ignored when editing an input image.
🌐 Where Grok Imagine Image Fits In
Compare with other image models:
- Nano Banana 2 (Google) – More parameters (resolution, search grounding, multi-image fusion) but slower (~25s). Grok Imagine Image is ~4x faster with a simpler API.
- Nano Banana Pro (Google) – Highest quality with 4K output and safety controls, but significantly slower (~25-48s) and more expensive.
- Grok Imagine Video (xAI) – Same family, but generates video instead of images.




