AI image model comparison
GPT Image 2.5 Sunburst vs Riverflow V2.5 Pro
Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.
OpenAI
GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst is an image generation and editing model from OpenAI, positioned as the precision-oriented tier of the GPT Image 2.5 series.
- Per image
- Not available
- Output / 1M
- $30
- Image Elo
- Not available
Sourceful
Riverflow V2.5 Pro
Riverflow V2.5 Pro is the most powerful variant of Sourceful's Riverflow 2.5 lineup, best for top-tier control and quality-sensitive outputs.
- Per image
- $0.13
- Output / 1M
- $31.14
- Image Elo
- 1366
At a glance
Quick verdict
Which model wins on the things that matter most when you're making images.
Cheaper per image
Not available
Only one lists a per-image price
Better image quality
Not available
Not enough arena data
Better at editing
Not available
Only one editing score is available
Newer release
GPT Image 2.5 Sunburst
Released September 9, 2026
Quality
Image quality rankings
Elo ratings from Design Arena, where people vote between two anonymous images made from the same prompt. Higher is better.
Image generation
GPT Image 2.5 SunburstNot availableImage editing
GPT Image 2.5 SunburstNot availableGraphic design
GPT Image 2.5 SunburstNot availableLogos
GPT Image 2.5 SunburstNot availablePricing
GPT Image 2.5 Sunburst vs Riverflow V2.5 Pro price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | GPT Image 2.5 Sunburst | |
|---|---|---|
| Cost per imageEstimated, ~1 megapixel (1024×1024) | Not available | $0.13 |
| Image outputPer 1M image tokens | $30 | $31.14 |
| Tokens per imageHow many image tokens one ~1MP image uses | Not available | 4,175 |
| Prompt textPer 1M input tokens | $8 | Included |
What it costs in practice
Estimated totals at standard resolution.
Single image
1 image
GPT Image 2.5 SunburstNot availableSocial media batch
50 images
GPT Image 2.5 SunburstNot availableProduct catalog
1,000 images
GPT Image 2.5 SunburstNot availableSpecs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | GPT Image 2.5 Sunburst | |
|---|---|---|
| Accepts | Image, Text | Image, Text |
| Produces | Image | Image |
| Max prompt lengthText plus reference images | 400K tokens | 33K tokens |
| Reasoning step | No | Always on |
| Release date | September 9, 2026 | June 4, 2026 |
Features
Supported features
Creative controls available for each model.
| Metric | GPT Image 2.5 Sunburst | |
|---|---|---|
| Image editingAccepts reference or source images | Supported | Supported |
| Text alongside imagesCan explain or caption what it made | Not supported | Not supported |
| Thinks before drawingPlans the image with a reasoning step | Not supported | Supported |
| Reproducible seedsSame seed, same image | Supported | Not supported |
| Temperature controlTrade consistency for variety | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
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- Riverflow V2.5 Pro vs FLUX.3 Image
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FAQ
Frequently asked questions
Can GPT Image 2.5 Sunburst and Riverflow V2.5 Pro edit existing images?
Yes. Both accept reference images, so you can upload a photo and ask for changes like a new background, different lighting, or added text.
Can I use GPT Image 2.5 Sunburst and Riverflow V2.5 Pro at the same time?
Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see GPT Image 2.5 Sunburst and Riverflow V2.5 Pro results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to GPT Image 2.5 Sunburst and Riverflow V2.5 Pro at the same time. See both images side by side and keep the one you like.