kitio.aiLangWatch vs PromptHub
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LangWatch starts at See pricing page and PromptHub starts at $12/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
- LLM tracing
- Agent simulations
- Evals
- AI gateway
- Prompt management
- Red-teaming
- Git-style prompt versioning
- Prompt playground
- Evaluations across test cases
- Prompt chaining
- Prompt deployment API
- Community prompt library
| Feature | LangWatch | PromptHub |
|---|---|---|
| Best for | Tracing, evals and testing for LLM agents in production | Prompt versioning, testing and deployment for teams |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $12/mo |
| Free plan | Yes | Yes |
| Made by | LangWatch | PromptHub |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
LangWatch starts at See pricing page and PromptHub starts at $12/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Developer
Free
- 50k events per month
- 14-day data access
- 2 users
- Community support
Growth
€29/core seat/mo
- Per core seat
- 200k events included
- Unlimited simulations, evals and prompts
- Private Slack or Teams support
Enterprise
Custom
- Volume event pricing
- SSO and RBAC
- Forward deployed engineer
4 plans
Free
Free
- 2,000 requests per month
- 10 prompt enhancements per month
- Public prompts only
- Limited API access
Pro
$12/mo
- Single user
- Private prompts
- 10,000 requests per month
- Full API access
Team
$20/mo
- Per user
- Unlimited team members
- 50,000 requests per month
- Team and user permissions
Enterprise
Contact sales
- SSO and SAML
- Custom limits and roles
- Custom model 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
LangWatch
- Free plan with no card
- Self-hosting available
- Simulations, evals and tracing in one tool
- Prices are shown in euros
- Free plan keeps data for 14 days
- Events are billed beyond the allowance
PromptHub
- Versioning works like Git for prompts
- Free plan includes all features
- Side-by-side model comparison
- Free plan prompts are all public
- Free plan allows only 2,000 requests a month
- SOC 2 is still in progress
Which one should you choose?
Choose LangWatch if you want:
- Free plan with no card
- Self-hosting available
- Simulations, evals and tracing in one tool
Watch out: prices are shown in euros.
Choose PromptHub if you want:
- Versioning works like Git for prompts
- Free plan includes all features
- Side-by-side model comparison
Watch out: free plan prompts are all public.
LangWatch vs PromptHub FAQ
What is the difference between LangWatch and PromptHub?
LangWatch: Tracing, evals and testing for LLM agents in production. PromptHub: Prompt versioning, testing and deployment for teams. Both are models & apis tools.
Is LangWatch or PromptHub cheaper?
LangWatch starts at See pricing page and PromptHub starts at $12/mo. Check both pricing pages for current plans.
Do LangWatch and PromptHub have free plans?
LangWatch: Yes. PromptHub: Yes.
Who makes LangWatch?
LangWatch is made by LangWatch.
Who makes PromptHub?
PromptHub is made by PromptHub.
Which should I choose, LangWatch or PromptHub?
Choose LangWatch if you value free plan with no card and self-hosting available. Choose PromptHub if you value versioning works like git for prompts and free plan includes all features.