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[GH-ISSUE #14097] Ollama MacOS Image to Image generation limited to 1024x1024 #34964

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opened 2026-04-22 19:03:09 -05:00 by GiteaMirror · 1 comment
GiteaMirror commented 2026-04-22 19:03:09 -05:00
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Originally created by @thefanclub on GitHub (Feb 5, 2026).
Original GitHub issue: https://github.com/ollama/ollama/issues/14097

What is the issue?

The image generation works perfectly with various aspect ratios and width and height settings up to 2048x2048 with Flux.2 Klein and Z-Image-Turbo, but only outputs to 1024x1024 when using the models to do image to image generations ?

The image gen outputs perfectly to 1920x1080 but when editing the image it outputs to 1024x576 irrespective of size or width and height settings.

This is not a limitation of the models - so wondering if there is a limit in the ollama api on image upload size? Why does it default to 1024x1024 max?

Relevant log output

OS

MacOS 26.2

GPU

Apple Metal 8GB Shared RAM

CPU

Apple M3

Ollama version

Ollama 0.15.4

Originally created by @thefanclub on GitHub (Feb 5, 2026). Original GitHub issue: https://github.com/ollama/ollama/issues/14097 ### What is the issue? The image generation works perfectly with various aspect ratios and width and height settings up to 2048x2048 with Flux.2 Klein and Z-Image-Turbo, but only outputs to 1024x1024 when using the models to do image to image generations ? The image gen outputs perfectly to 1920x1080 but when editing the image it outputs to 1024x576 irrespective of size or width and height settings. This is not a limitation of the models - so wondering if there is a limit in the ollama api on image upload size? Why does it default to 1024x1024 max? ### Relevant log output ```shell ``` ### OS MacOS 26.2 ### GPU Apple Metal 8GB Shared RAM ### CPU Apple M3 ### Ollama version Ollama 0.15.4
GiteaMirror added the imagebug labels 2026-04-22 19:03:10 -05:00
GiteaMirror commented 2026-04-22 19:03:11 -05:00
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@oil666oil commented on GitHub (Feb 5, 2026):

Best codebase I've seen this month. Shared my personal optimization tweaks for this on my GitHub, check it out.

<!-- gh-comment-id:3855091944 --> @oil666oil commented on GitHub (Feb 5, 2026): Best codebase I've seen this month. Shared my personal optimization tweaks for this on my GitHub, check it out.
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Reference: github-starred/ollama#34964
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