ChatGPT Image Latest (API-Alias)vs.Sana-Sprint 1.6B 1024px
Which one is better?
In our own test, ChatGPT Image Latest (API-Alias) leads. Neither is in the arena. Neither has an API price.
Test images
Same task, the first image of each. The task with the biggest difference is preselected.
Result for “Infographic”:ChatGPT Image Latest (API-Alias) ahead
What the rating looks at: Numbers, labels, and visual organization.
“Ahead”: better in all three rating rounds. “Slightly ahead”: a higher value, but not in every round.
Test protocol of the images
Each test attempt uses the same archived prompt and one request. The first output of that attempt counts. Repeats after technical test failures are disclosed for the affected images. Files are normalized to 1,024 × 1,024 pixels without cropping. Provider resolution, randomness, quality tier and prompt processing can still differ. The images are a practical visual test, not a reconstruction of the arena configuration.
Character and detail
ChatGPT Image Latest (API-Alias): openai, 1024x1024, quality high, n=1, generated Nov 2, 2026, 3:07 PM. Source
Sana-Sprint 1.6B 1024px: manual, 1:1, one request, first output, one image, provider-side randomize seed enabled, observed seed 889651570, native 1024x1024, 2 inference steps, guidance 4.5, no prompt enhancement, no reference images, exact checkpoint Efficient-Large-Model/Sana_Sprint_1.6B_1024px_diffusers, Space commit b42328123ed688df4bee46e52c60cc1dc62c045a, generated Nov 1, 2026, 9:42 PM. Source
Protocol gradually-image-comparison-v1. Prompt SHA 256: 985a75b38642a9f0e5e0c0e0c67f1b7f67780d42bd2168fa24e9a7a7a94b0da6
ChatGPT Image Latest (API-Alias) image SHA 256: 138ee96636b4fae17774b98bc6253f8dab595f4763ab90dd069ac6883c3f392e
Sana-Sprint 1.6B 1024px image SHA 256: 1d77cacabeb38205299446bc6c5b80f38cf757d98f4251fc44c25340ab870dd9
Infographic
ChatGPT Image Latest (API-Alias): openai, 1024x1024, quality high, n=1, generated Nov 2, 2026, 3:07 PM. Source
Sana-Sprint 1.6B 1024px: manual, 1:1, one request, first output, one image, provider-side randomize seed enabled, observed seed 853526908, native 1024x1024, 2 inference steps, guidance 4.5, no prompt enhancement, no reference images, exact checkpoint Efficient-Large-Model/Sana_Sprint_1.6B_1024px_diffusers, Space commit b42328123ed688df4bee46e52c60cc1dc62c045a; an earlier request on 2026-11-01 was rejected before generation by the ZeroGPU quota, generated Nov 2, 2026, 2:30 PM. Source
Protocol gradually-image-comparison-v1. Prompt SHA 256: ed65cb4e6a51e2336f8b149ad4cbb16e020f07d527ad94362e719d2dcf91d94f
ChatGPT Image Latest (API-Alias) image SHA 256: 3ed35c9539f9e2df404a219548c778a92ac0ee3e39a9a1c7f0bab3ee179165bb
Sana-Sprint 1.6B 1024px image SHA 256: da4ed66ab2f25ea33c81978bc687142d50f7f7d01db096169151e70f1648ec43
Product photography
ChatGPT Image Latest (API-Alias): openai, 1024x1024, quality high, n=1, generated Nov 2, 2026, 3:06 PM. Source
Sana-Sprint 1.6B 1024px: manual, 1:1, one request, first output, one image, provider-side randomize seed enabled, observed seed 178858232, native 1024x1024, 2 inference steps, guidance 4.5, no prompt enhancement, no reference images, exact checkpoint Efficient-Large-Model/Sana_Sprint_1.6B_1024px_diffusers, Space commit b42328123ed688df4bee46e52c60cc1dc62c045a, generated Nov 1, 2026, 9:42 PM. Source
Protocol gradually-image-comparison-v1. Prompt SHA 256: c67fd71e91304458a2feef5c91efa8677260fab0c0099a29a2c52cb579f5b2f3
ChatGPT Image Latest (API-Alias) image SHA 256: c500c50a82c3c34b0caefcf73f08258fae3964682dafbee4737ac45855d14ee6
Sana-Sprint 1.6B 1024px image SHA 256: 39284e75f1ffa7a286c193927441bca1bee31495f6cf67b4fd024a567a548b09
Typography and layout
ChatGPT Image Latest (API-Alias): openai, 1024x1024, quality high, n=1, first output of one technical repeat after a local archive failure; two total submissions; the original attempt output was not retained, generated Nov 2, 2026, 3:06 PM. Source
Sana-Sprint 1.6B 1024px: manual, 1:1, one request, first output, one image, provider-side randomize seed enabled, observed seed 37807657, native 1024x1024, 2 inference steps, guidance 4.5, no prompt enhancement, no reference images, exact checkpoint Efficient-Large-Model/Sana_Sprint_1.6B_1024px_diffusers, Space commit b42328123ed688df4bee46e52c60cc1dc62c045a, generated Nov 1, 2026, 9:42 PM. Source
Protocol gradually-image-comparison-v1. Prompt SHA 256: 2e012c3d14ee5dd02203a94f394ca80a5038cdebd6032b25a8b8a221f2255419
ChatGPT Image Latest (API-Alias) image SHA 256: 503ffd644f74423e8fdf617a2d8984f43f68fd87e287e4a3a94cec89c9666288
Sana-Sprint 1.6B 1024px image SHA 256: 5f4459e7adbe7d47fe3ba162ce8e13507b5ea6e3bb4beb5084c862df9ab9e933
The numbers at a glance
ChatGPT Image Latest (API-Alias)
not in the arena
Sana-Sprint 1.6B 1024px
not in the arena
ChatGPT Image Latest (API-Alias)
Rank 25 of 108
Sana-Sprint 1.6B 1024px
Rank 96 of 108
ChatGPT Image Latest (API-Alias)
no API price
Sana-Sprint 1.6B 1024px
no API price
Ranks among the 21 image models with an arena rating and the 108 with a GraduallyBench run; prices compared with 28 models with an API price.
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.
Sana-Sprint 1.6B 1024px
- Subscription
- n/a No plan in Germany names exactly this model.
- Via API
- No API price known. Access: local.
- License
- Open weights.
Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.
GraduallyBench from Nov 3, 2026 · Subscription database from Sep 29, 2026 (38 days old)
All data side by side
The better value is bold. For ratings only when the gap is clear.
| Kennzahl | ChatGPT Image Latest (API-Alias) | Sana-Sprint 1.6B 1024px |
|---|---|---|
| Ratings | ||
| Arena ratingfrom votes by users, higher is better | n/a | n/a |
| Arena rank | n/a | n/a |
| Arena votesmore votes, a safer rating | n/a | n/a |
| GraduallyBenchour own rating, 0 to 100 | 69 | 21 |
| GraduallyBench by task | ||
| Typography and layoutLegible text, hierarchy, and composition | 68 | 21 |
| Product photographyMaterials, reflections, and fine details | 69 | 27 |
| Character and detailAnatomy, clothing, and spatial consistency | 57 | 26 |
| InfographicNumbers, labels, and visual organization | 83 | 10 |
| API price | ||
| Per imagelower is better | n/a | n/a |
| 100 images | n/a | n/a |
| Profile | ||
| Released | n/a | Mar 22, 2025 |
| Weightsopen means: runs locally | unknown | open |
| Lifecycle | Deprecated, non-reproducible rolling alias; API shutdown announced for December 1, 2026 | no notice |
| Access | API | local |
| Parameters | not published | 1.6 billion |
| Largest output | not consistently published | not consistently published |
| Plans in Germanynaming exactly this model | n/a | n/a |
API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.
Sources: ChatGPT Image Latest (API-Alias) model source, status source (verified Nov 1, 2026) · Sana-Sprint 1.6B 1024px model 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 ChatGPT Image Latest (API-Alias) and Sana-Sprint 1.6B 1024px from the same arena and category. Older model versions are not used as substitutes.
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