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2026/5/8 23:26 (UTC+8) · Model Status · OpenAI 💡 gpt-image-2-vip ‘Unknown error’ debugging tip: keep each input image under 1.5MB — Sporadic shell_api_error / Unknown error responses are most often caused by oversized input images. Compress each image you upload to the endpoint to under 1.5MB before sending; in multi-image fusion, apply the same cap per image. Output dimensions are controlled by the size parameter and are not bounded by input size — shrinking the input only improves request success rate, it does not affect output sharpness. 📋 Sample error log: 
An error occurred while processing your request. You can retry your request,
or contact us through our help center at help.openai.com if the error persists.
Please include the request ID fc6c3693-4f7b-46aa-a493-88b48f789e4d in your message.
（traceid: d7716a02769ead1890b90074670b7c99）
(request id: 2026050822473732782809166920955)

"localized_message":"Unknown error","type":"shell_api_error","param":"","code":null
If you hit this error, compress the image client-side first (JPEG quality 80–90 / down-sized resolution) and retry — that usually resolves it. 📖 Official-relay vs reverse: /en/api-capabilities/gpt-image-2/vs-gpt-image-2-all
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