kitio.aiOpenAI API vs FACEIO
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenAI API starts at See pricing page and FACEIO starts at $20/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
- Responses API
- Agents SDK
- Realtime voice API
- Image and audio models
- Batch API
- Fine-tuning and evals
- Browser face login via fio.js
- Liveness and anti-spoofing
- PIN code second factor
- REST API and webhooks
- Customizable login widget
| Feature | OpenAI API | FACEIO |
|---|---|---|
| Best for | Developer API for GPT, reasoning, image, audio and embedding models | Face login library and REST API for websites and web apps |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | $20/mo |
| Free plan | No | Yes |
| Made by | OpenAI | PixLab |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
OpenAI API starts at See pricing page and FACEIO starts at $20/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
GPT-6 Luna
$0.10 / $0.50 per 1M tokens
- Input / output
- Fast, low-cost model
- 1.05M context
GPT-6.1 Sol
$2 / $10 per 1M tokens
- Input / output
- Balanced model
- 1.05M context
GPT-6 Astra
$10 / $50 per 1M tokens
- Input / output
- Most capable model
- 1.05M context
4 plans
Freemium
Free
- For building and testing
- Up to 1,000 enrolled users
- Real-time analytics
Starter
$20/mo
- 30,000 enrolled users
- Webhooks and full REST API
- 500K API requests a month
Pro
$39/mo
- 150,000 enrolled users
- Advanced security settings
- Unmetered API requests
Business
$99/mo
- 300,000 enrolled users
- All security settings
- Custom widget look
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
OpenAI API
- Wide model range in one API
- Mature SDKs and docs
- Built-in tools like web search
- Top models are costly at scale
- Rate limits depend on spend tier
- Model names change frequently
FACEIO
- Free tier for building and testing
- Works in the browser without native apps
- Short integration with enroll and authenticate calls
- Extra cost per enrolled user above plan limits
- Widget customization only on the Business plan
- Biometric data raises privacy compliance work
Which one should you choose?
Choose OpenAI API if you want:
- Wide model range in one API
- Mature SDKs and docs
- Built-in tools like web search
Watch out: top models are costly at scale.
Choose FACEIO if you want:
- Free tier for building and testing
- Works in the browser without native apps
- Short integration with enroll and authenticate calls
Watch out: extra cost per enrolled user above plan limits.
OpenAI API vs FACEIO FAQ
What is the difference between OpenAI API and FACEIO?
OpenAI API: Developer API for GPT, reasoning, image, audio and embedding models. FACEIO: Face login library and REST API for websites and web apps. Both are models & apis tools.
Is OpenAI API or FACEIO cheaper?
OpenAI API starts at See pricing page and FACEIO starts at $20/mo. Check both pricing pages for current plans.
Do OpenAI API and FACEIO have free plans?
OpenAI API: No. FACEIO: Yes.
Who makes OpenAI API?
OpenAI API is made by OpenAI, based in United States.
Who makes FACEIO?
FACEIO is made by PixLab.
Which should I choose, OpenAI API or FACEIO?
Choose OpenAI API if you value wide model range in one api and mature sdks and docs. Choose FACEIO if you value free tier for building and testing and works in the browser without native apps.