model guide
GPT Image 2.5 Sunburst: Precision AI Image Editing
GPT Image 2.5 Sunburst guide with precision editing, quality tiers, Kansova credit costs, prompts, limitations, and alternatives.
TL;DR
The precision-focused GPT Image 2.5 model for finished product shots and multi-round edits.
Who this is for
- Brand teams producing campaign-ready product imagery.
- Sellers refining product shots and ad creatives across multiple rounds.
- Designers who need careful, controlled edits of a reference image.
Best for / Not best for
Best for
- Precision editing
- Finished product shots
- Campaign creatives
- Multi-round refinement
Not best for
- Maximum-speed batch drafts
- Frame-perfect logo reproduction
- Long-form video
- Guaranteed readable dense text
Parameters
| Parameter | Supported value | Notes |
|---|---|---|
| Model | gpt-image-2.5-sunburst | Precision-first variant of GPT Image 2.5. |
| Quality | low, medium, high, xhigh, max | Higher tiers produce more detail and cost more credits. |
| Output size | 1K, 2K, or 4K | 4K multiplies the credit cost. |
| Reference images | Up to 16 | Enables image-to-image editing. |
| Aspect ratio | 15 presets plus exact pixels | Common ratios: 1:1, 16:9, 9:16, 4:3. |
Pricing
Kansova bills generations in credits. Basic is $9.90/month for 300 credits; Pro is $19/month for 750 credits; Studio is $39/month for 1,700 credits.
| Generation | Kansova credits | Cost methodology |
|---|---|---|
| 1K image, medium | 3 credits | About $0.013 provider cost |
| 1K image, high | 6 credits | About $0.053 provider cost |
| 1K image, max | 22 credits | About $0.21 provider cost |
| 2K / 4K output | 2× / 4× the quality base | Scales with output tokens |
Comparison
| Dimension | GPT Image 2.5 Sunburst | GPT Image 2.5 Flare | GPT Image 2 | Photoroom |
|---|---|---|---|---|
| Primary strength | Precision editing | Speed + quality | Instruction following | Background cutout |
| Kansova access | Available | Available | Available | Not in Kansova |
| Quality tiers | 5 levels | 5 levels | Resolution only | N/A |
| Reference editing | Up to 16 images | Up to 16 images | Yes | Limited |
| Kansova cost | 2-22 credits/1K | 2-22 credits/1K | 2-4 credits | Not priced |
Prompt examples
- 01
Premium glass serum bottle on a pale blue plinth, soft water caustics, clean ecommerce lighting, 1:1. - 02
Replace the chair in this interior with a low sculptural stone bench while preserving camera angle and lighting. - 03
Minimal editorial still life of brushed steel objects on dark glass, precise reflections, restrained luxury campaign. - 04
Modern concrete courtyard house at dusk, warm interior light, native planting, realistic architectural visualization. - 05
Create three colorway concepts for this packaging while preserving its proportions and label hierarchy.
Known limitations
- Small text and brand marks still need manual verification.
- Higher quality tiers consume significantly more credits.
- Exact pixel sizes must meet provider rounding rules.
- Provider queue and model availability affect completion time.
Alternatives
Frequently asked questions
How many credits does GPT Image 2.5 Sunburst use?
Same as Flare: 1K costs 2 (low), 3 (medium), 6 (high), 10 (xhigh), or 22 (max) credits; 2K is 2× and 4K is 4×.
What is Sunburst best for?
Finished product shots and campaign creatives where precise, controlled editing matters more than raw speed.
Can I edit an uploaded product photo?
Yes, up to 16 reference images are supported for image-to-image editing.
Last updated
2026-09-09
Sources and methodology
Capabilities were checked against the APIMart API material supplied to Kansova and the live Kansova controls on 2026-09-09. Credit figures are taken from the production pricing function; provider rates are reference figures and may change independently.
- APIMart API documentation index
Provider documentation used to verify GPT Image 2.5 parameters and output tiers.
- Kansova product facts
Canonical list of supported workflows and current limitations.
- Kansova pricing
Current subscription and monthly credit allowances.