GPT-Image (by OpenAI)

Overview

Multimodal image generation and editing powered by API.

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Quick facts

• Modes: Text → Image · Image → Image (editing)

• Default output / size: 1024×1024 (auto)

• Aspect ratios: Auto, 3:2, 1:1, 2:3

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What it’s great for

• Photoreal and stylized image generation integrated with LLM workflows.

• Simple image edits and inpainting.

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Example outputs

Generated hero image — cinematic portrait

Photoreal render

Edited photo example — background swap

Copy-and-paste prompts

Cinematic street portrait, 50mm lens feel, golden hour, shallow depth of field — 1:1

Edit: replace background with moody studio backdrop, natural skin tones preserved

Product pack shot on white, crisp shadows, 1200x1200

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Parameters

Name	Type	Default	Notes
Prompt	Text	—	Required
Aspect Ratio	Select	Auto	Auto, 3:2, 1:1, 2:3
Quality	Select	High	Low, Medium, High
Image	Upload	—	Required for edits

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Modes (summary)

Mode	Estimated time	Required inputs	Typical use
Text → Image	45 seconds	Prompt	Image generation
Image → Image (edit)	1 minute	Image, Prompt	Inpainting & edits

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Output options

Option	Values / notes
Aspect ratio	Auto, 3:2, 1:1, 2:3

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Prompt tips

• Specify composition, lens feel, lighting, and desired ratio.

• Use “Edit:” to indicate local edits vs full generation.