GPT Image 1.5vs.ChatGPT Image Latest (API-Alias)
Which one is better?
We have not tested ChatGPT Image Latest (API-Alias) ourselves yet. ChatGPT Image Latest (API-Alias) has no arena rating yet. ChatGPT Image Latest (API-Alias) has no API price.
Same prompt, two images
Same task, the first image of each.
No image from the four fixed tasks for ChatGPT Image Latest (API-Alias) yet.This model does not yet have a complete GraduallyBench run.
Result for “Typography and layout”:only GPT Image 1.5 tested
What the rating looks at: Legible text, hierarchy, and composition.
“Ahead”: better in all three rating rounds. “Slightly ahead”: a higher value, but not in every round.
Missing image run for ChatGPT Image Latest (API-Alias)
This model does not yet have a complete GraduallyBench run. Run the missing fixed tasks, archive the first output of each, and evaluate them blind.
DocumentationThe numbers at a glance
GPT Image 1.5
Rank 13 of 22
ChatGPT Image Latest (API-Alias)
not in the arena
GPT Image 1.5
Rank 43 of 74
ChatGPT Image Latest (API-Alias)
not tested yet
GPT Image 1.5
expensive
ChatGPT Image Latest (API-Alias)
no API price
Ranks among the 22 image models with an arena rating and the 74 with a GraduallyBench run; prices compared with 28 models with an API price.
GPT Image 1.5
- Subscription
- No OpenAI subscription includes this model. Through other providers from ≈ €6.39 a month (ElevenLabs Starter, with limited credits). 42 plans in Germany.
- Via API
- $0.13 per image, 100 images $13.30.
ChatGPT Image Latest (API-Alias)
- Subscription
- n/a No plan in Germany names exactly this model.
- Via API
- No API price known. Access: API.
- Weights
- unknown.
Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.
Arena rating (LMArena) from Oct 28, 2026 · GraduallyBench from Nov 1, 2026 · API prices from Oct 28, 2026 · Subscription database from Sep 29, 2026 (34 days old)
All data side by side
The better value is bold. For ratings only when the gap is clear.
| Kennzahl | GPT Image 1.5 | ChatGPT Image Latest (API-Alias) |
|---|---|---|
| Ratings | ||
| Arena ratingfrom votes by users, higher is better | 1,236 | n/a |
| Arena rank | Rank 13 of 22 | n/a |
| Arena votesmore votes, a safer rating | 174,012 | n/a |
| GraduallyBenchour own rating, 0 to 100 | 54 | n/a |
| GraduallyBench by task | ||
| Typography and layoutLegible text, hierarchy, and composition | 58 | n/a |
| Product photographyMaterials, reflections, and fine details | 38 | n/a |
| Character and detailAnatomy, clothing, and spatial consistency | 64 | n/a |
| InfographicNumbers, labels, and visual organization | 56 | n/a |
| API price | ||
| Per imagelower is better | $0.13 | n/a |
| 100 images | $13.30 | n/a |
| Profile | ||
| Released | December 2025 | n/a |
| Weightsopen means: runs locally | proprietary | unknown |
| Lifecycle | Marked as deprecated by OpenAI; removed from the API on December 1, 2026 | Deprecated, non-reproducible rolling alias; API shutdown announced for December 1, 2026 |
| Access | API, Web app | API |
| Parameters | not published | not published |
| Largest output | 1,536 × 1,024 pixels | not consistently published |
| Plans in Germanynaming exactly this model | 42 | n/a |
API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.
Sources: GPT Image 1.5 model source, status source (verified Aug 15, 2026) · ChatGPT Image Latest (API-Alias) model source, status source (verified Nov 1, 2026)
Arena ratings by category
From blind votes on LMArena. “Ahead” means the lead is clear.
No shared arena score in the stored snapshot
The stored benchmark database contains no measurement for GPT Image 1.5 and ChatGPT Image Latest (API-Alias) from the same arena and category. Older model versions are not used as substitutes.
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