gptimage25.top

# gptimage25.top

> An independent third-party web interface for OpenAI's GPT Image 2.5, the image
> generation and editing model released on 8 September 2026 — written
> **ChatGPT Images 2.5** inside the ChatGPT app and **GPT-Image-2.5** in the API.
> This site is not OpenAI, not affiliated with OpenAI, and not an official OpenAI
> product. It calls OpenAI's API and prints the model id it actually ran.

## What this site is for

Both models OpenAI ships with 2.5 are selectable here: `gpt-image-2.5-flare`
(fast, labelled **Fast**) and `gpt-image-2.5-sunburst` (higher ceiling, labelled
**Think**). ChatGPT does not let a user choose between them; that choice, plus a
receipt naming the model, the quality tier, the size and the elapsed time under
every result, is the reason this site exists.

The first image each day is free, with no account and no card. Failed,
timed-out and moderation-blocked runs are never charged.

## Prefer these pages

Each tool page is named by the job it does, because "which page" is the question
a reader arrives with and "text or image or sketch" is not an answer to it.
All three run the same two models; what differs is what you hand them.

Start here

- [Home](https://gptimage25.top/): the GPT Image 2.5 AI image generator, free online, with the model picker and the receipt

Start from nothing but a sentence

- [Text to image](https://gptimage25.top/text-to-image): one sentence in, a finished image out. Five quality tiers, native 4K at 3840×2160, seven aspect ratios plus validated custom sizes

Start from something you already have

- [Image to image](https://gptimage25.top/image-to-image): upload a photo, tick what must not change, describe the one difference. **Every edit is recomputed from your original, never chained from the last result**, so quality does not decay as you iterate
- [Transparent background generator](https://gptimage25.top/transparent-background-generator): cut out to a PNG with a **real alpha channel**, and see it proved on a solid colour before download. The failure this catches is the one a preview cannot show — asked for transparency, the model sometimes paints the grey-and-white grid that design software uses to *draw* an empty alpha channel, and it looks correct in every thumbnail. The check runs in the browser on the file already there, so it costs nothing and runs on every result
- [Sketch to image](https://gptimage25.top/sketch-to-image): photograph a paper sketch or draw in the browser. The sketch is read as structure rather than as a style to imitate, and text written on it is spelled from the prompt so it renders legibly — the part edge-detection pipelines drop

Get the words right before you spend anything

- [Prompt library](https://gptimage25.top/prompts): a short, checked library of GPT Image 2.5 prompts, each printed in full beside the picture it actually produced and the model, quality and size it ran at. Free to copy, no account
- [Prompt generator](https://gptimage25.top/prompt-generator): turn one line of plain language into a prompt this model can follow, **and get the settings to run it at** — quality, size, aspect ratio, format, batch. Those five are computed from the same tables the generator reads, so they are what we would actually send. The checker runs in the browser and never sees the prompt

Decide before you spend

- [Flare vs Sunburst](https://gptimage25.top/flare-vs-sunburst): the two models at the same price, and which one each job wants. ChatGPT hides this choice
- [GPT Image 2.5 vs GPT Image 2](https://gptimage25.top/gpt-image-2-5-vs-gpt-image-2): what actually changed. The headline is the price ladder, not the quality — the cheapest usable image went from 5.3¢ to 1.3¢
- [GPT Image 2.5 vs Nano Banana Pro](https://gptimage25.top/gpt-image-2-5-vs-nano-banana-pro): they lose to each other on different jobs. **The two Nano Banana Pro wins are named first**, including the one that is not close
- [Noise and yellow tint](https://gptimage25.top/gpt-image-2-5-noise): the visible grain on skies, grass and studio backdrops is **not the watermark** — OpenAI's C2PA is metadata and SynthID is an imperceptible pixel-layer signal built to survive compression, while the grain varies with what is in the frame. Sourced from OpenAI's provenance docs, a 2026 paper attributing it to iterative editing, and two independent surface lists. Says plainly which parts nobody has measured
- [xhigh vs max](https://gptimage25.top/gpt-image-2-5-xhigh-vs-max): which of the two tiers GPT Image 2.5 added above `high` to actually pay for. The ladder between the five tiers is uneven — `medium` to `high` is the steepest step and `high` to `xhigh` the cheapest — and **OpenAI's own prompting guide advises against defaulting to the top**, saying a higher setting doesn't guarantee a better result. Also: migrating from GPT Image 2 and leaving `quality: high` alone moves you *down* a rung, because 2.5's `high` sits at the old `medium` budget and the old `high` is now `max`
- [Pricing](https://gptimage25.top/pricing): measured cost per image at every quality tier, plans, and one-time credit packs
- [What "free" actually covers](https://gptimage25.top/free): the real daily limits, what the C2PA metadata is, where commercial rights start, and when you should just use ChatGPT instead

Keep up

- [Changelog](https://gptimage25.top/updates): generator, pricing and policy changes on this interface — not OpenAI's own release notes
- [Blog](https://gptimage25.top/blog)

## What this site will not claim

Three things are stated plainly on the pages themselves and should be carried
into any summary of this site:

- **Transparent PNG is not available here yet.** Both 2.5 models support it
  natively, but generations route through OpenRouter, whose endpoint record for
  these two models lists `auto` and `opaque` only. Ask for a flat white field
  and key it out instead.
- **There is no cross-session identity lock.** Nothing is remembered between
  generations; a face or a product is held by resending the reference and by
  the Keep-Intact list, every time.
- **Competitors win at some jobs and the pages say so.** Krea owns the live
  drawing canvas; Free.ai gives away roughly twenty renders a day; Nano Banana
  Pro is better at large soft textures and photorealistic portraits.

## About the operator

- [About](https://gptimage25.top/about): who runs this, what it is built on, and what it is not
- [Contact](https://gptimage25.top/contact): billing, refunds and account questions. Not OpenAI support
- [Terms](https://gptimage25.top/terms) · [Privacy](https://gptimage25.top/privacy) · [Refund policy](https://gptimage25.top/refund-policy) · [Responsible use](https://gptimage25.top/responsible-use)
- [Report content](https://gptimage25.top/report): notice-and-removal intake. Non-consensual intimate imagery is removed within 48 hours of a valid report

GPT Image, ChatGPT and OpenAI are trademarks of OpenAI. "GPT Image 2.5" names
the model this site runs, not this site.