kitio.aiPortkey vs Langtail
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Portkey has the lower starting price: about $49 a month, against $99 for Langtail.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Universal LLM API
- Fallbacks and load balancing
- Logs and traces
- Guardrails
- Prompt management
- Budgets and rate limits
- Prompt versioning
- Prompt testing
- Logs
- Deployment
- Radars and alerts
- Shareable apps
| Feature | Portkey | Langtail |
|---|---|---|
| Best for | AI gateway with observability, guardrails and prompt management | Prompt management and testing for product teams |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $49/mo | $99/mo |
| Free plan | Yes | Yes |
| Made by | Portkey (Palo Alto Networks) | Langtail |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Portkey has the lower starting price: about $49 a month, against $99 for Langtail.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Developer
Free
- 10k recorded logs per month
- 3-day log retention
- AI gateway and observability
- Community support
Production
$49/mo
- 100k recorded logs per month
- $9 per extra 100k requests
- 30-day log retention
- Alerts and traces
Enterprise
Custom
- 10M+ recorded logs per month
- SSO and RBAC
- Custom guardrails
- Self-hosting
3 plans
Free
Free
- Unlimited users
- 2 prompts or assistants
- 1,000 logs per month
- 30 days data retention
Pro
$99/mo
- 1 user
- 20 prompts or assistants
- Unlimited logs
- 90 days data retention
Team
$499/mo
- 10 users
- Unlimited prompts or assistants
- Radars and alerts
- Dedicated support
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
Portkey
- One API for many model providers
- Request flow isn't cut at log limits
- Self-hosting option for enterprises
- Free plan keeps logs only 3 days
- SSO and RBAC need Enterprise
- Brand is shifting under Palo Alto Networks
Langtail
- Free plan with unlimited users
- Combines testing and logging
- Version control for prompts
- Free plan allows only 2 prompts
- Team plan costs $499 a month
- Prices exclude VAT
Which one should you choose?
Choose Portkey if you want:
- One API for many model providers
- Request flow isn't cut at log limits
- Self-hosting option for enterprises
Watch out: free plan keeps logs only 3 days.
Choose Langtail if you want:
- Free plan with unlimited users
- Combines testing and logging
- Version control for prompts
Watch out: free plan allows only 2 prompts.
Portkey vs Langtail FAQ
What is the difference between Portkey and Langtail?
Portkey: AI gateway with observability, guardrails and prompt management. Langtail: Prompt management and testing for product teams. Both are models & apis tools.
Is Portkey or Langtail cheaper?
Portkey has the lower starting price: about $49 a month, against $99 for Langtail.
Do Portkey and Langtail have free plans?
Portkey: Yes. Langtail: Yes.
Who makes Portkey?
Portkey is made by Portkey (Palo Alto Networks), based in United States.
Who makes Langtail?
Langtail is made by Langtail.
Which should I choose, Portkey or Langtail?
Choose Portkey if you value one api for many model providers and request flow isn't cut at log limits. Choose Langtail if you value free plan with unlimited users and combines testing and logging.