OpenAIImage model matchup
GPT Image 2.5 Sunburstvs.GPT-Image-2.6 Sunburst
Which one is better?
GPT-Image-2.6 Sunburst has no test of our own, no arena rating and no API price yet.
GPT Image 2.5 Sunburst
Rank 5 of 108
GPT-Image-2.6 Sunburst
not tested yet
GPT Image 2.5 Sunburst
Rank 1 of 21
GPT-Image-2.6 Sunburst
not in the arena
GPT Image 2.5 Sunburst
GPT-Image-2.6 Sunburst
Ranks among the 21 image models with an arena rating and the 108 with a GraduallyBench Image v2 run; prices compared with 28 models with an API price.
Test images from GraduallyBench Image v2
Same task, the first image of each.
No image from the four fixed tasks for GPT-Image-2.6 Sunburst yet.This model does not yet have a complete GraduallyBench Image v2 run.
Result for “Typography and layout”:only GPT Image 2.5 Sunburst tested
What the rating looks at: Legible text, hierarchy, and composition.
“Ahead”: the 95 % ranges of both values do not overlap. “Slightly ahead”: a higher value, but the ranges overlap.
Missing image run for GPT-Image-2.6 Sunburst
This model does not yet have a complete GraduallyBench Image v2 run. Run the missing fixed tasks, archive the first output of each, and evaluate them blind.
DocumentationSubscription and API
GPT Image 2.5 Sunburst
- Subscription
- No OpenAI subscription includes this model. Through other providers from $6 a month (ElevenLabs Starter, with limited credits). 62 plans in Germany.
- Via API
- $0.21 per image, 100 images $21.07.
- Weights
- Closed weights.
GPT-Image-2.6 Sunburst
- Subscription
- No OpenAI subscription includes this model. Through other providers from $9 a month (Krea Basic, with limited credits). 18 plans in Germany.
- Via API
- No API price known (access: API, Web app).
- Weights
- Closed weights.
Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.
Arena rating (LMArena) from Nov 10, 2026 · GraduallyBench Image v2 from Nov 7, 2026 · API prices from Nov 10, 2026 · Subscription database from Sep 29, 2026 (43 days old)
All data side by side
The better value is bold. For ratings only when the gap is clear.
| Kennzahl | GPT Image 2.5 Sunburst | GPT-Image-2.6 Sunburst |
|---|---|---|
| Ratings | ||
| Arena ratingfrom votes by users, higher is better | 1,429 | n/a |
| Arena rank | Rank 1 of 21 | n/a |
| Arena votesmore votes, a safer rating | 57,928 | n/a |
| GraduallyBench Image v2our own benchmark, 0 to 100 | 86 | n/a |
| GraduallyBench Image v2 by task | ||
| Typography and layoutLegible text, hierarchy, and composition | 72 | n/a |
| Product photographyMaterials, reflections, and fine details | 93 | n/a |
| Character and detailAnatomy, clothing, and spatial consistency | 89 | n/a |
| InfographicNumbers, labels, and visual organization | 88 | n/a |
| API price | ||
| Per imagelower is better | $0.21 | n/a |
| 100 images | $21.07 | n/a |
| Profile | ||
| Released | Sep 8, 2026 | Nov 4, 2026 |
| Weightsopen means: runs locally | proprietary | proprietary |
| Access | API | API, Web app |
| Parameters | not published | not published |
| Largest output | 3,840 × 2,160 pixels | not consistently published |
| Plans in Germanynaming exactly this model | 62 | 18 |
API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.
Sources: GPT Image 2.5 Sunburst model source (verified Sep 24, 2026) · GPT-Image-2.6 Sunburst model source (verified Nov 5, 2026)
Arena ratings by category
From blind votes on Artificial Analysis and LMArena; the sources are named under the card. “Ahead” means the lead is clear.
No shared arena score in the stored snapshot
The stored benchmark database contains no measurement for GPT Image 2.5 Sunburst and GPT-Image-2.6 Sunburst from the same arena and category. Older model versions are not used as substitutes.
More comparisons
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