kitio.aiLangfuse vs Adaline
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Langfuse starts at $29/mo and Adaline 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
- OpenTelemetry support
- Prompt management
- Evaluations and datasets
- Self-hosting
- Trace ingestion
- Behavior maps
- Auto-generated evals
- Synthetic test data
- Reviewed agent improvements
- SSO and SAML
| Feature | Langfuse | Adaline |
|---|---|---|
| Best for | Open-source LLM observability, prompt management and evals | Observability and evals that turn agent traces into fixes |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | ClickHouse | Adaline Inc. |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Langfuse starts at $29/mo and Adaline starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Hobby
Free
- Free cloud plan
- Limited usage and history
Core
$29/mo
- 100k units included, $8/100k extra
- 90 days data access
- Unlimited users
Pro
$199/mo
- 3 years data access
- High rate limits
- SOC2 and ISO27001 reports
Enterprise
$2499/mo
- Audit logs and SCIM API
- Uptime and support SLA
- Named support engineer
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Langfuse
- Free to self-host
- No seat-based fees
- Works with any framework
- Self-hosting needs ops work
- Advanced features on paid tiers
- UI can feel dense
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
Which one should you choose?
Choose Langfuse if you want:
- Free to self-host
- No seat-based fees
- Works with any framework
Watch out: self-hosting needs ops work.
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.
Langfuse vs Adaline FAQ
What is the difference between Langfuse and Adaline?
Langfuse: Open-source LLM observability, prompt management and evals. Adaline: Observability and evals that turn agent traces into fixes. Both are models & apis tools.
Is Langfuse or Adaline cheaper?
Langfuse starts at $29/mo and Adaline starts at See pricing page. Check both pricing pages for current plans.
Do Langfuse and Adaline have free plans?
Langfuse: Yes. Adaline: Yes.
Who makes Langfuse?
Langfuse is made by ClickHouse, based in United States.
Who makes Adaline?
Adaline is made by Adaline Inc., based in United States.
Which should I choose, Langfuse or Adaline?
Choose Langfuse if you value free to self-host and no seat-based fees. Choose Adaline if you value evals built from real production data and usable by non-engineers.