kitio.aiYou.com vs Serpex
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. You.com starts at See pricing page and Serpex starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Web Search API
- Contents API
- Research API depth levels
- Finance Research API
- Inference Router
- Zero data retention option
- Real-time search API
- URL to markdown extraction
- Automatic source fallback
- Python and JS SDKs
- MCP and LangChain support
| Feature | You.com | Serpex |
|---|---|---|
| Best for | Web search, research and inference APIs for AI applications | Pay-as-you-go web search and extraction API for AI agents |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | You.com | Serpex |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
You.com starts at See pricing page and Serpex starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Contents API
$1 / 1K pages
- Full page contents
- 1–10 seconds per page
Web Search API
$5 / 1K calls
- Live web results
- About 0.4s median latency
- $10 free credit to start
Research API
From $12 / 1K calls
- Lite to Frontier depth levels
- Multi-source cross-checking
- Background mode for long jobs
Enterprise
Contact sales
- Higher rate limits
- Enterprise security
- Dedicated support
4 plans
Starter
$0.80 / 1K searches
- $5 to $49 top-ups
- 5 requests per second
Standard
$0.65 / 1K searches
- $50 to $499 top-ups
- 25 requests per second
Scale
$0.50 / 1K searches
- $500 to $1,999 top-ups
- 50 requests per second
Enterprise
Contact sales
- Custom pricing and SLAs
- From $0.20 per 1K at high volume
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
You.com
- Free credit to start building
- Clear per-call pricing
- Research depth matched to the task
- Zero data retention available
- Deep research calls get expensive
- No longer a consumer search app first
- Enterprise terms need a sales call
Serpex
- Low cost per search
- Credits never expire
- Search and extraction under one key
- Rate limits depend on top-up size
- Developer-only product
- Newer than established search APIs
Which one should you choose?
Choose You.com if you want:
- Free credit to start building
- Clear per-call pricing
- Research depth matched to the task
Watch out: deep research calls get expensive.
Choose Serpex if you want:
- Low cost per search
- Credits never expire
- Search and extraction under one key
Watch out: rate limits depend on top-up size.
You.com vs Serpex FAQ
What is the difference between You.com and Serpex?
You.com: Web search, research and inference APIs for AI applications. Serpex: Pay-as-you-go web search and extraction API for AI agents. Both are research & search tools.
Is You.com or Serpex cheaper?
You.com starts at See pricing page and Serpex starts at See pricing page. Check both pricing pages for current plans.
Do You.com and Serpex have free plans?
You.com: Yes. Serpex: Yes.
Who makes You.com?
You.com is made by You.com, based in United States.
Who makes Serpex?
Serpex is made by Serpex.
Which should I choose, You.com or Serpex?
Choose You.com if you value free credit to start building and clear per-call pricing. Choose Serpex if you value low cost per search and credits never expire.