Short answer: Grok Imagine Image Quality remains the default image model at 1K and portrait 3:4. Choose another model when you need a specific resolution, more reference images, or more precise editing, and generate a small test before making variations.
How to choose
Open Create and select Image.
Open Settings and choose a model, aspect ratio, and supported resolution.
Add reference images within that model's limit.
Generate a small test before spending more credits on variations.
Current image models
Grok Imagine Image 2.0: 1K or 2K at medium quality and up to three reference images. It costs 3 credits at 1K or 4 credits at 2K without references; each accepted reference adds a small amount, so the total can be higher.
Grok Imagine Image Quality and Grok Imagine Image: 1K or 2K and up to three reference images. All Grok image models default to 3:4.
Nano Banana Lite: 1K only and up to 14 reference images.
Nano Banana 2: 0.5K, 1K, 2K, or 4K and up to 14 references. It defaults to 1K.
Nano Banana Pro: 1K, 2K, or 4K and up to 14 references. It defaults to 4K.
GPT Image 2.5 Flare and GPT Image 2.5 Sunburst: 1K, 2K, or 4K and up to five references, for text-to-image and image editing. Flare is the faster everyday option for high-quality creation and editing. Sunburst is the premium option when precise editing and creative control matter most. The charge is an estimate based on the selected output size and is not adjusted after completion.
GPT Image 2: 1K, 2K, or 4K and up to five references. Its charge uses a medium-quality estimate because final token use is not known before submission, and the estimate is not adjusted after completion.
Seedream 4.5: 2K or 4K and up to 10 references.
Seedream 5.0 Lite: 2K, 3K, or 4K and up to 14 references. It defaults to 3K.
Seedream 5.0 Pro: 1K or 2K and up to 10 references. It defaults to 2K and does not offer 4K.
Characters and guided tools
Saved Characters work with GPT Image 2, GPT Image 2.5 Flare, GPT Image 2.5 Sunburst, the Grok Imagine image models, Nano Banana 2, and Nano Banana Pro. GPT Image 2 is the Character default. See Create and Use Characters.
Guided image tools default to GPT Image 2. You can pick another supported model under Settings. See Use Typeshutter AI Tools.
Aspect ratios
Grok image models support 16:9, 1:1, 3:4, 3:2, and 9:16. Other selectable image models support 16:9, 1:1, 4:5, 3:2, and 9:16 and default to 4:5.
Credits and refunds
Images are charged per generated image. The charge depends on the model, resolution, and accepted reference count. Multi-image work prices the base and each later image separately because a later image may use the generated base as another reference. A retry, edit, or append is a new generation with its own charge.
If a request is canceled before provider submission or is definitively rejected, Typeshutter refunds the exact saved charge. If the provider outcome is unknown, the charge is held for reconciliation instead of being refunded automatically.
Troubleshooting
If a resolution or reference count becomes unavailable after changing models, choose one supported by the newly selected model.
Seedream 5.0 Pro exact sizes use 16-pixel increments and must stay between 921,600 and 4,624,220 total pixels.
HEIC and HEIF uploads are accepted. Preview or crop preparation may pause briefly before the upload is ready.
If an upload still fails, try PNG or JPEG and upload it again.
Provider safety policies apply to every model, so a request one model rejects may still work on another.