kitio.ai4oImageAPI.io vs UserAPI.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. 4oImageAPI.io starts at See pricing page and UserAPI.ai starts at $25/mo. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Text-to-image endpoint
- Image-to-image editing
- Callback URLs
- PNG, JPEG and WebP output
- Python and JavaScript samples
- Imagine, Upscale and Variation
- Blend and Describe
- Inpaint and Pan
- Animate
- Admin panel
- Code samples and docs
| Feature | 4oImageAPI.io | UserAPI.ai |
|---|---|---|
| Best for | REST API for GPT-image-1 text-to-image and image editing | Unofficial REST API for generating images with Midjourney |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $25/mo |
| Free plan | No | Yes |
| Made by | 4oimageapi.io | UserAPI.ai |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
4oImageAPI.io starts at See pricing page and UserAPI.ai starts at $25/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free pack
Free
- 50 requests
- One-time per user
Pay per request
$0.04 / request
- Minimum top-up $8
- Per Discord account
Monthly
$25/mo
- Unlimited requests
- Per Discord account
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
4oImageAPI.io
- Simple REST interface
- Async results through callbacks
- Handles text inside images well
- Reseller of a third-party model
- Pricing not listed on the homepage
- Generation takes around 25 seconds
UserAPI.ai
- Covers most Midjourney actions
- Flat plan with unlimited requests
- 50 free test requests
- Unofficial, may break with Midjourney changes
- Needs your own Midjourney subscription
- Automating Discord accounts carries ban risk
Which one should you choose?
Choose 4oImageAPI.io if you want:
- Simple REST interface
- Async results through callbacks
- Handles text inside images well
Watch out: reseller of a third-party model.
Choose UserAPI.ai if you want:
- Covers most Midjourney actions
- Flat plan with unlimited requests
- 50 free test requests
Watch out: unofficial, may break with midjourney changes.
4oImageAPI.io vs UserAPI.ai FAQ
What is the difference between 4oImageAPI.io and UserAPI.ai?
4oImageAPI.io: REST API for GPT-image-1 text-to-image and image editing. UserAPI.ai: Unofficial REST API for generating images with Midjourney. Both are models & apis tools.
Is 4oImageAPI.io or UserAPI.ai cheaper?
4oImageAPI.io starts at See pricing page and UserAPI.ai starts at $25/mo. Check both pricing pages for current plans.
Do 4oImageAPI.io and UserAPI.ai have free plans?
4oImageAPI.io: No. UserAPI.ai: Yes.
Who makes 4oImageAPI.io?
4oImageAPI.io is made by 4oimageapi.io.
Who makes UserAPI.ai?
UserAPI.ai is made by UserAPI.ai.
Which should I choose, 4oImageAPI.io or UserAPI.ai?
Choose 4oImageAPI.io if you value simple rest interface and async results through callbacks. Choose UserAPI.ai if you value covers most midjourney actions and flat plan with unlimited requests.