kitio.aiAdaline vs LangWatch
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Adaline starts at See pricing page and LangWatch 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
- Trace ingestion
- Behavior maps
- Auto-generated evals
- Synthetic test data
- Reviewed agent improvements
- SSO and SAML
- LLM tracing
- Agent simulations
- Evals
- AI gateway
- Prompt management
- Red-teaming
| Feature | Adaline | LangWatch |
|---|---|---|
| Best for | Observability and evals that turn agent traces into fixes | Tracing, evals and testing for LLM agents in production |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Adaline Inc. | LangWatch |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Adaline starts at See pricing page and LangWatch 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
Adaline
- Evals built from real production data
- Usable by non-engineers
- Strong compliance coverage
- Pricing not published on the homepage
- Built for teams already in production
- Value depends on trace volume
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
Which one should you choose?
Choose Adaline if you want:
- Evals built from real production data
- Usable by non-engineers
- Strong compliance coverage
Watch out: pricing not published on the homepage.
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.
Adaline vs LangWatch FAQ
What is the difference between Adaline and LangWatch?
Adaline: Observability and evals that turn agent traces into fixes. LangWatch: Tracing, evals and testing for LLM agents in production. Both are models & apis tools.
Is Adaline or LangWatch cheaper?
Adaline starts at See pricing page and LangWatch starts at See pricing page. Check both pricing pages for current plans.
Do Adaline and LangWatch have free plans?
Adaline: Yes. LangWatch: Yes.
Who makes Adaline?
Adaline is made by Adaline Inc., based in United States.
Who makes LangWatch?
LangWatch is made by LangWatch.
Which should I choose, Adaline or LangWatch?
Choose Adaline if you value evals built from real production data and usable by non-engineers. Choose LangWatch if you value free plan with no card and self-hosting available.