Grok Imagine on Genosai — photorealistic images from text
Grok Imagine is xAI's image generation model built on the Aurora engine, available on Genosai. It produces photorealistic pictures from a text description, renders text and logos accurately, and returns up to 10 variants per request. On Genosai the model runs online, with no xAI subscription and no API setup — one image costs 4 credits.
Updated: July 7, 2026
- Photorealism and portraits — Realistic faces, skin and lighting — the Aurora engine is trained on paired text and images and keeps details believable.
- Accurate on-image text — Grok Imagine renders short text and logos cleanly, which helps with covers, posters and ad layouts.
- Up to 10 variants per request — The model returns several images at once so you pick the best frame without regenerating.
- Scene assembly from references — In edit mode you can pass up to 3 source images and compose a scene, merging objects and style.
- 4 credits per image — A fixed price per generation with no monthly subscription and no tie to xAI plans.
Contents
- What is Grok Imagine
- Capabilities
- Examples
- How to use on Genosai
- Prompts
- Generation cost
- Comparison
- Limitations and tips
- FAQ
What is Grok Imagine
Grok Imagine is xAI's image generation system. At its core is the Aurora engine: an autoregressive model trained on interleaved text and image data. That approach gives noticeable fidelity in details — from skin texture on a portrait to a correctly spelled word on a sign. Grok Imagine 1.0 was released in February 2026 and, in xAI's own words, was the biggest leap yet for this line.
On Genosai the model runs online: you do not need an xAI account, API keys or your own infrastructure. You open the photo studio in the browser, write a description, and get finished images. Grok Imagine is part of xAI's broader creative model that can also edit pictures and create short video, but this article is specifically about generating images from text.
The main thing that sets Grok Imagine apart from many generators is its focus on photorealism and accurate text rendering. Where other models blur captions or scramble letters, Aurora more often produces a readable result. That makes it handy for tasks where words appear on the image: covers, posters, layouts with a logo, video thumbnails. The second focus is realistic people: faces, pose and lighting look natural, without the typical plastic effect.
Who is Grok Imagine best for first. Social media specialists and authors who need a stream of visuals for posts and stories. Marketers who assemble ad layouts with text. Designers at the concept stage, when it matters to see an idea quickly in a photorealistic form. And small business owners who need product shots and covers without a photo shoot or a studio.
Capabilities
Grok Imagine covers most scenarios where you need a photorealistic image from a description. Here is what the model does in practice.
Photorealism and portraits
The Aurora engine is strong at realistic images of people: faces, skin, gaze and light look believable. That is handy for avatars, characters and lively frames where naturalness matters more than illustrative stylization.
Text and logos on the image
Accurate rendering of captions is one of the model's key traits. Grok Imagine places words, short phrases and marks neatly on posters, packaging and covers. Long paragraphs are still worth checking, but short text the model handles confidently.
Multiple variants and choice
Grok Imagine returns up to 10 images per request. You immediately see several takes on one prompt and pick the best frame without spending generations on trial and error. That speeds up work when you need one strong visual out of several attempts.
Scene assembly from references
In edit mode the model accepts up to 3 source images. From them you can assemble a single scene: merge objects, transfer style from one picture to another, place a character into the right background. This makes it easy to get a consistent series of frames rather than scattered images.
Examples
Below are real examples generated on Genosai with Grok Imagine.
!Grok Imagine — product shot _Generated on Genosai.io with Grok Imagine. Prompt: E-commerce product shot of premium white wireless earbuds in an open charging case on a light marble surface, soft studio lighting, crisp shadows, clean minimal background._
!Grok Imagine — scene _Generated on Genosai.io with Grok Imagine. Prompt: A cozy coffee shop storefront at golden hour with a glowing sign that reads GENOSAI COFFEE, warm cinematic light, photorealistic, ultra detailed._
How to use on Genosai
Launching Grok Imagine on Genosai requires no setup: everything happens in the browser and the model is already connected. The basic path from an idea to a finished image looks like this.
- Sign in to your Genosai account and open the photo studio.
- Pick Grok Imagine in the model list.
- Describe the image: object, style, setting, light and mood.
- If needed, set the aspect ratio and upload up to 3 references to compose a scene.
- Run the generation and compare the resulting variants.
- Download the best frame or refine the prompt and regenerate.
Prompts
These templates show how to phrase tasks for Grok Imagine. Replace the text in square brackets with your own data and add details about light, angle and style — the more specific the prompt, the closer the result.
Photorealistic portrait of [person], soft natural light, looking into the camera, shallow depth of field, background [setting].Poster for [event] with a large readable caption [text], minimalist composition, contrasting colors.Product shot: [product] on [background], studio light, reflections, high detail, aspect ratio 1:1.Video thumbnail on the topic [topic] with a short headline [text], bright, clickable composition.Logo [brand] on the packaging of [product], realistic material, clean caption rendering, natural light.Atmospheric frame of [scene] in a cinematic style, warm sunset light, light fog, detailed surroundings.Assemble a single scene from references: the character from the first image in the setting from the second, unified light and style.Generation cost
On Genosai one Grok Imagine image costs a fixed 4 credits regardless of prompt complexity. You pay for actual generations, with no monthly subscription and no tie to xAI plans, so the spend is easy to plan: ten images is exactly 40 credits. The model returns several variants per request, which helps you get a strong frame without extra attempts.
Starter credits after sign-up let you try Grok Imagine for free. Current packages and balance are in the Pricing section.
Comparison
Grok Imagine is a strong choice when photorealism and on-image text matter. If you need versatile generation with flexible editing, look at ChatGPT Image 2; for clean photorealistic detail, Flux 2 Pro; a cheap tidy option for quick tasks is Nano Banana; and the most economical model in the catalog is the open Z-Image.
| Model | Strength | Price on Genosai |
|---|---|---|
| Grok Imagine | Photorealism and on-image text | 4 credits |
| ChatGPT Image 2 | Versatility and editing | from 6 credits |
| Flux 2 Pro | Photorealistic detail | from 5 credits |
| Z-Image | Minimal price, open model | 1 credit |
All models are available in one Genosai interface, so you can compare them on your own task and pick the best by price and quality. A practical approach is to keep a couple of models handy: a cheap one for drafts and volume, and a more accurate one for final frames. Grok Imagine works well as a main workhorse for realistic visuals and layouts with text.
Limitations and tips
Grok Imagine is strong but not universal. For fine artistic stylization and complex multi-object scenes, other catalog models are sometimes a better fit — worth trying on the same task. xAI does not officially publish exact resolution and speed figures, so we do not quote specific pixels here: rely on the actual result in the studio and add prompt detail when needed.
Another common trap is an overly general request. If you just write "portrait of a girl", the model fills in details for you and returns an average frame. The more inputs — light, angle, setting, emotion, style — the less randomness in the result. For on-image text, put the caption itself in quotes and keep it short: the longer the phrase, the higher the risk of letter errors.
Work iteratively: get several variants, pick a close one and refine it with short prompt edits. For scene assembly, prepare clean references without extra clutter in advance — the model will merge objects more precisely. And for bulk drafts where maximum realism is not needed, switch to the cheaper Nano Banana or Z-Image to save credits.
FAQ
What is Grok Imagine and who built it?
Grok Imagine is xAI's image generation system built on the Aurora engine. Grok Imagine 1.0 was released in February 2026. On Genosai it is available online to create images from text with no separate xAI subscription.
How much does one Grok Imagine image cost on Genosai?
Generating one image costs 4 credits. It is a fixed price and you pay for actual images with no monthly subscription. Credits are topped up as needed.
Can Grok Imagine render text on an image?
Yes, clean rendering of short text and logos is a strength of the Aurora engine. That is handy for covers, posters and ad layouts. Long paragraphs are still worth double-checking.
Can I edit an image or compose a scene from several?
Yes. In edit mode Grok Imagine accepts up to 3 source images and merges objects, transfers style and assembles a single scene. This makes it easy to combine a character, a background and a product.
Do I need an xAI subscription to use Grok Imagine?
No. Genosai gives access to Grok Imagine right in the browser — with no xAI account, no API keys and no setup. Just sign in to Genosai, open the photo studio and pick the model.
What tasks is Grok Imagine good for?
The model is strong at photorealistic portraits, product shots and images with text and logos. People use it for social content, covers, concepts and ad visuals. For fine artistic stylization, other catalog models are sometimes a better fit.