kitio.aiOpik vs Confident AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Opik has the lower starting price: about $19 a month, against $200 for Confident AI.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Tracing and spans
- Evaluation metrics
- Agent optimizer
- Guardrails
- Framework integrations
- DeepEval metrics
- Pytest integration
- Dataset management
- Regression testing
- Production monitoring
| Feature | Opik | Confident AI |
|---|---|---|
| Best for | Comet's open-source platform for LLM tracing and evaluation | LLM evaluation platform built on the open-source DeepEval framework |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $19/mo | $200/mo |
| Free plan | Yes | Yes |
| Made by | Comet | Confident AI |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Opik has the lower starting price: about $19 a month, against $200 for Confident AI.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Open Source
Free
- Self-hosted
- Full observability feature set
- Unlimited spans
Free Cloud
Free
- Up to 10 team members
- 25k spans per month
- 60-day data retention
Pro Cloud
$19/mo
- Up to 50 team members
- 100k spans per month
- $5 per extra 100k spans
Enterprise
Custom
- Unlimited team members
- Flexible deployments
- Single sign-on
- 2-hour response SLA
4 plans
Free
Free
- LLM unit and regression testing
- LLM tracing
- 1 GB-month of trace spans
Starter
$200/mo
- No-code eval workflows
- Unlimited user seats
- Up to 5 projects
- 5 GB-months of trace spans
Team
$2000/mo
- Metric and dataset versioning
- Custom RBAC
- Unlimited projects
- 75 GB-months of trace spans
Enterprise
Custom
- On-prem deployment
- Custom data residency
- AI red teaming and governance
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
Opik
- Free and self-hostable
- Automatic prompt optimization
- Many integrations
- Smaller community than Langfuse
- Hosted plan limits vary
- Docs split with Comet ML
Confident AI
- Popular open-source base
- Unit-test style workflow
- Many built-in metrics
- LLM-judge metrics add cost
- Cloud features need a plan
- Small company
Which one should you choose?
Choose Opik if you want:
- Free and self-hostable
- Automatic prompt optimization
- Many integrations
Watch out: smaller community than langfuse.
Choose Confident AI if you want:
- Popular open-source base
- Unit-test style workflow
- Many built-in metrics
Watch out: llm-judge metrics add cost.
Opik vs Confident AI FAQ
What is the difference between Opik and Confident AI?
Opik: Comet's open-source platform for LLM tracing and evaluation. Confident AI: LLM evaluation platform built on the open-source DeepEval framework. Both are models & apis tools.
Is Opik or Confident AI cheaper?
Opik has the lower starting price: about $19 a month, against $200 for Confident AI.
Do Opik and Confident AI have free plans?
Opik: Yes. Confident AI: Yes.
Who makes Opik?
Opik is made by Comet, based in United States.
Who makes Confident AI?
Confident AI is made by Confident AI, based in United States.
Which should I choose, Opik or Confident AI?
Choose Opik if you value free and self-hostable and automatic prompt optimization. Choose Confident AI if you value popular open-source base and unit-test style workflow.