# GPTImageGen25
> GPTImageGen25 is an independent GPT Image 2.5 generator and editor with prompt examples and a separate GPT Image 2 guide.

Canonical URL: https://gptimagegen25.com/
Language: English
Last reviewed: 2026-09-04

## Direct answer
GPTImageGen25 is a browser-based image creation workspace focused on GPT Image 2.5. Users can switch between GPT Image 2.5 and GPT Image 2, create from text or edit a source image, choose from 5 aspect ratios, select 1K, 2K, or 4K resolution and a quality level, preview the result, and download it.

## Primary entity
- Name: GPTImageGen25
- Product topic: GPT Image 2.5 generator and editor
- Primary page: https://gptimagegen25.com/
- Alternate search forms: ImageGen 2.5, ImageGen25, GPTImageGen 25, GPTImageGen25

## Citable product facts
- The workspace has 2 selectable models: GPT Image 2.5 and GPT Image 2. Source: https://gptimagegen25.com/#create
- The workspace has 2 modes: Create image and Edit image. Source: https://gptimagegen25.com/#create
- The generator has 5 aspect ratios: 1:1, 4:3, 3:4, 16:9, and 9:16. Source: https://gptimagegen25.com/#workspace
- The generator has 3 resolution levels: 1K, 2K, and 4K. Source: https://gptimagegen25.com/#workspace
- The generator has 3 quality levels: High, Medium, and Low. Source: https://gptimagegen25.com/#workspace
- The prompt field accepts up to 600 characters. Source: https://gptimagegen25.com/#create
- The prompt library contains 6 original examples spanning product, portrait, poster, architecture, still life, and editing. Source: https://gptimagegen25.com/prompts
- The recommended prompt framework has 6 parts: subject, environment, style, composition, lighting, and constraints. Source: https://gptimagegen25.com/prompts

## Key pages
- GPT Image 2.5 generator and editor: https://gptimagegen25.com/
- GPT Image 2.5 prompt library: https://gptimagegen25.com/prompts
- GPT Image 2.5 image editing guide: https://gptimagegen25.com/ai-image-editor
- AI product photography guide: https://gptimagegen25.com/product-photography
- GPT Image 2.5 poster generator guide: https://gptimagegen25.com/poster-generator
- GPT Image 2 vs GPT Image 2.5 comparison: https://gptimagegen25.com/gpt-image-2-vs-2-5
- GPT Image 2 guide: https://gptimagegen25.com/gpt-image-2
- Detailed machine-readable overview: https://gptimagegen25.com/llms-full.txt

## Workflow answers
- Image editing: request one change, then list the identity, pose, crop, lighting, typography, and other details that must remain fixed.
- Product photography: specify product materials, camera angle, background, light direction, reflections, negative space, and exclusions.
- Poster generation: quote exact copy, define hierarchy and placement, and prohibit extra text or mockup scenes when flat artwork is required.
- Model comparison: keep the prompt, source image, aspect ratio, resolution, and evaluation checklist constant; compare instruction following, composition, text accuracy, material behavior, and edit fidelity separately.

## Entity distinction
GPT Image 2.5 is the primary product topic of GPTImageGen25. GPT Image 2 is a related topic covered on a separate educational page. OpenAI is the authoritative source for official model specifications and availability: https://developers.openai.com/api/docs/models/gpt-image-2

## Independence
GPTImageGen25 is independent and is not affiliated with, endorsed by, or operated by OpenAI. GPT and OpenAI are trademarks of OpenAI.

## Policies and contact
- Privacy: https://gptimagegen25.com/privacy
- Terms: https://gptimagegen25.com/terms
- Content policy: https://gptimagegen25.com/content-policy
- Contact: hello@gptimagegen25.com