kitio.aiLangWatch vs Impact AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LangWatch starts at See pricing page and Impact AI starts at See pricing page. 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
- Pre-deployment testing
- Production monitoring
- Automated alerts
- AI portfolio governance
- Role-based modules
| Feature | LangWatch | Impact AI |
|---|---|---|
| Best for | Tracing, evals and testing for LLM agents in production | Testing and monitoring platform for generative AI products |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | No |
| Made by | LangWatch | Impact AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
LangWatch starts at See pricing page and Impact AI starts at See pricing page. 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
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
Impact AI
- Covers pre-launch and live monitoring
- Governance across a whole AI portfolio
- Shared metrics for product and risk
- No public pricing
- Demo required to evaluate
- Few technical details on the homepage
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 Impact AI if you want:
- Covers pre-launch and live monitoring
- Governance across a whole AI portfolio
- Shared metrics for product and risk
Watch out: no public pricing.
LangWatch vs Impact AI FAQ
What is the difference between LangWatch and Impact AI?
LangWatch: Tracing, evals and testing for LLM agents in production. Impact AI: Testing and monitoring platform for generative AI products. Both are models & apis tools.
Is LangWatch or Impact AI cheaper?
LangWatch starts at See pricing page and Impact AI starts at See pricing page. Check both pricing pages for current plans.
Do LangWatch and Impact AI have free plans?
LangWatch: Yes. Impact AI: No.
Who makes LangWatch?
LangWatch is made by LangWatch.
Who makes Impact AI?
Impact AI is made by Impact AI.
Which should I choose, LangWatch or Impact AI?
Choose LangWatch if you value free plan with no card and self-hosting available. Choose Impact AI if you value covers pre-launch and live monitoring and governance across a whole ai portfolio.