kitio.aiOpenAI API vs useapi.net
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 useapi.net starts at $15/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
- Google Flow API
- NotebookLM API
- Kling and Runway endpoints
- MCP servers
- Job tracking
- Account management
| Feature | OpenAI API | useapi.net |
|---|---|---|
| Best for | Developer API for GPT, reasoning, image, audio and embedding models | REST APIs for Google Flow, NotebookLM, Kling and other AI services |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Paid |
| Starting price | See pricing page | $15/mo |
| Free plan | No | No |
| Made by | OpenAI | useapi.net |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
OpenAI API starts at See pricing page and useapi.net starts at $15/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
3 plans
1 subscription
$15/mo
- 3 accounts per service
- 39 accounts in total
2 subscriptions
$25/mo
- 6 accounts per service
- 78 accounts in total
3 subscriptions
$35/mo
- 9 accounts per service
- 117 accounts in total
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
useapi.net
- One subscription covers many services
- MCP servers for agent use
- Detailed per-service setup guides
- Relies on your own accounts at each service
- No free tier listed
- Not an official API from those vendors
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 useapi.net if you want:
- One subscription covers many services
- MCP servers for agent use
- Detailed per-service setup guides
Watch out: relies on your own accounts at each service.
OpenAI API vs useapi.net FAQ
What is the difference between OpenAI API and useapi.net?
OpenAI API: Developer API for GPT, reasoning, image, audio and embedding models. useapi.net: REST APIs for Google Flow, NotebookLM, Kling and other AI services. Both are models & apis tools.
Is OpenAI API or useapi.net cheaper?
OpenAI API starts at See pricing page and useapi.net starts at $15/mo. Check both pricing pages for current plans.
Do OpenAI API and useapi.net have free plans?
OpenAI API: No. useapi.net: No.
Who makes OpenAI API?
OpenAI API is made by OpenAI, based in United States.
Who makes useapi.net?
useapi.net is made by useapi.net.
Which should I choose, OpenAI API or useapi.net?
Choose OpenAI API if you value wide model range in one api and mature sdks and docs. Choose useapi.net if you value one subscription covers many services and mcp servers for agent use.