Last updated: 2026-11-09
GPT Image Hub is an independent web service that combines a public library of 31,345 image prompt templates with an online generator offering 20 models, including GPT Image 2, Nano Banana and Seedream. It also exposes a bearer-key REST API and an MCP server, and it states that it is not affiliated with OpenAI or Google.
About GPT Image Hub
GPT Image Hub is a web service that joins a public library of image prompts to an online image generator. The operator reports over 31,000 prompt templates from 480 credited creators, each stored with its full prompt text, and says the library last changed on 5 November 2026. A prompt template is a ready-written instruction with bracketed blanks, such as [Paris street] or [chamomile], that you swap for your own subject.
The generator reaches twenty image models from a single account: the GPT Image 2 family plus the site's own 2.5 and 2.6 Flare and Sunburst variants, Nano Banana 2.1 and its siblings, the Seedream 4.0 to 5.0 line, Z-Image Turbo and Qwen Image Edit. Each run shows the credits it will cost for your account first, and the spread between models is wide. Beside the generator sit seven small browser tools (image to prompt, a prompt generator, background removal, upscaling, old photo restoration, compression and HEIC to JPG), a Canvas workspace, and a separate video page for Seedance 2.0 and 2.5.
Developers get a REST API that takes a bearer key (a secret token sent with each request) and exposes four endpoints: model list, credit balance, image generation and generation lookup. An async mode returns a poll URL for slow jobs, and the docs say credits are refunded automatically when a provider fails. For AI assistants, the site lists an MCP server (a plug-in standard that lets an assistant call outside tools) in the official MCP registry, and it publishes a licensed subset of the prompt dataset on GitHub and Hugging Face.
It is sold as credit packs, not a monthly plan, so it suits bursts of image work better than daily use. It also says it is independent and not affiliated with OpenAI or Google, and the pages Hokai read name no company or founder behind it, which matters if a buyer needs a vendor of record. If you want one in-house model with a fixed look, compare Midjourney, which runs its own, with Ideogram, which is built around text inside images. For another multi-model workspace, look at OpenArt, then Krea. Community-shared checkpoints live on Civitai. The model makers' own apps are the other route: ChatGPT for OpenAI's image models, Gemini for Google's Nano Banana. If video is the main job, Higgsfield is built around it.
Pricing
One-time credit packs, no subscription: Free 25 credits, Starter $1.99 for 1,500, Plus $9.99 for 10,000 and Pro $99.99 for 100,000. Credits expire 60 days after they are granted. Cost per image depends on the model: a GPT Image 2 Saver image is 5 credits, a high-quality 4K image on GPT Image 2 is 570, and Nano Banana 2.1 sits at 25 credits for 1K.
Prices are in USD, taxes may apply, and larger volumes are quoted by email.
| Tier | One-time price | What it includes |
|---|---|---|
| Free | Free | 25 credits to try the product, Standard image quality, Community support |
| Starter | $1.99 one-time | High resolution images, Commercial use, Credits expire after 60 days |
| Plus | $9.99 one-time | High resolution images, Commercial use, Priority processing when available, Credits expire after 60 days |
| Pro | $99.99 one-time | Ultra high resolution images, Commercial use, Priority support, Credits expire after 60 days |
Key Features
- Prompt library: Holds 31,345 public prompt templates in 14 categories, each with full prompt text, a credited creator and a model tag, listed in 18 languages.
- Multi-model generator: Puts 20 image models behind one login, from GPT Image 2 and Nano Banana Pro to Seedream 5.0 and Qwen Image Edit, and shows the credit cost for your account before each run.
- Per-model credit pricing: Charges 5 credits for a GPT Image 2 Saver image and 570 for a high-quality 4K GPT Image 2 image, so the model you pick sets the bill.
- Developer API: Offers four bearer-key REST endpoints, 1 to 4 images per request, an async mode with a poll URL, and automatic credit refunds when a provider fails.
- Agent access: Lists an MCP server in the official MCP registry and publishes OpenAPI, Agent Skills, llms.txt and dataset exports so assistants can retrieve full prompt text.
- Utility tools: Adds seven browser tools beside the generator: image to prompt, prompt generator, background remover, upscaler, old photo restorer, compressor and HEIC to JPG.
- Video page: Runs Seedance 2.0 and 2.5 video generation from a separate page of the same site.
Pros
- Credits are bought once with no recurring charge, so an unused balance cannot renew by surprise.
- Prompts arrive as fill-in templates with bracketed slots, so one tested prompt adapts to a new subject without rewriting it.
- The API docs state that credits are charged before generation and refunded if a provider fails or returns fewer images than requested.
- The cheapest models work out to about half a cent an image at the Plus pack rate, which makes batch testing of prompts cheap.
Cons
- Unused credits lapse after two months, so the 100,000-credit pack suits a burst of work, not slow use.
- The pricing, about and API pages Hokai read name no company, founder or address, so there is no vendor of record for procurement or a data processing agreement.
- Variant names such as Flare Saver and Sunburst Saver are the site's own labels, and the pricing page does not say which underlying model each one runs.
- Higher resolution and commercial use are tied to paid packs, so anyone testing for client work has to buy before they can ship.
Frequently Asked Questions
What are GPT Image Hub's pricing plans in 2026?
GPT Image Hub sells one-time credit packs with no subscription: Starter at $1.99 for 1,500 credits, Plus at $9.99 for 10,000 and Pro at $99.99 for 100,000, after a Free pack of 25 credits. Credits expire 60 days after they are granted, and the cost of an image depends on the model: 5 credits for GPT Image 2 Saver, 10 for GPT Image 2.6 Flare Saver and 108 for Nano Banana Pro at 1K. The site prices its dollar estimates at the Plus rate, about $0.001 a credit, and taxes may apply.
What do you get on GPT Image Hub's free tier?
The Free pack is a one-time grant of 25 credits, which the site says covers 5 images on GPT Image 2 Saver. It produces standard-quality images with community support, and commercial use is listed only on the paid packs. It is a trial, not a monthly allowance, so once the credits are spent you buy a pack to continue.
What are the best alternatives to GPT Image Hub?
OpenArt and Krea are the closest multi-model image workspaces on Hokai, so pick one of them if you prefer subscription plans to one-off packs. Midjourney and Ideogram run their own in-house models, which suits you if you want one consistent look rather than a model menu. Civitai fits better when you want community-shared checkpoints instead of a curated template library.
GPT Image Hub or OpenArt: which should you pick?
Pick GPT Image Hub if you start from a prompt and want to pay once for a pack instead of a monthly plan. Pick OpenArt if you want a 7-day free trial and a plan that renews, with image, video and audio models behind one credit balance. The practical trade is lock-in: GPT Image Hub credits simply lapse, while a monthly plan keeps billing until you cancel.
What does it take to start using GPT Image Hub?
The library opens without an account, and signing up is the only step the pricing page states for the Free pack. In the generator, pick a prompt or write your own and choose a model; the site shows the credits for your account before each run. For code, create a key under API Keys in your account, call /api/v1/models, then POST to /api/v1/images/generations.
Top Alternatives
- OpenArt: Choose OpenArt when you want a plan that renews and a 7-day trial; GPT Image Hub fits when you would rather pay once for a pack and let it lapse.
- Krea: Choose Krea when video, 3D and enhancement sit in the same workspace; GPT Image Hub fits when the starting point is a ready-made prompt.
- Midjourney: Choose Midjourney when you want one in-house model with a consistent look; GPT Image Hub fits when you want to try the same prompt on several models.
- Ideogram: Choose Ideogram when text inside images is the job; GPT Image Hub fits when prompt reuse across models matters more.
- Civitai: Choose Civitai when you want community-shared checkpoints and a trainer; GPT Image Hub fits when you want curated prompt templates and a plain credit balance.