kitio.aiWeaviate vs Confident AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Weaviate has the lower starting price: about $45 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
- Hybrid vector and keyword search
- Built-in vectorizer modules
- Multi-tenancy
- Generative search
- Weaviate Cloud
- DeepEval metrics
- Pytest integration
- Dataset management
- Regression testing
- Production monitoring
| Feature | Weaviate | Confident AI |
|---|---|---|
| Best for | Open-source vector database with hybrid search and built-in vectorizers | LLM evaluation platform built on the open-source DeepEval framework |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $45/mo | $200/mo |
| Free plan | Yes | Yes |
| Made by | Weaviate | Confident AI |
| Based in | Netherlands | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Weaviate has the lower starting price: about $45 a month, against $200 for Confident AI.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 1 cluster, 100K objects
- 1 GB memory, 10 GB disk
- Basic support
Flex
$45/mo
- Starting price, pay-as-you-go
- Shared cloud cluster
- RBAC, 99.5% uptime
Premium
Contact sales
- Prepaid contract
- Shared or dedicated deployment
- Up to 99.95% uptime
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
Weaviate
- Strong hybrid search
- Open source and self-hostable
- Good multi-tenant support
- Memory-hungry at scale
- Cloud pricing changed often
- Schema concepts to learn
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 Weaviate if you want:
- Strong hybrid search
- Open source and self-hostable
- Good multi-tenant support
Watch out: memory-hungry at scale.
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.
Weaviate vs Confident AI FAQ
What is the difference between Weaviate and Confident AI?
Weaviate: Open-source vector database with hybrid search and built-in vectorizers. Confident AI: LLM evaluation platform built on the open-source DeepEval framework. Both are models & apis tools.
Is Weaviate or Confident AI cheaper?
Weaviate has the lower starting price: about $45 a month, against $200 for Confident AI.
Do Weaviate and Confident AI have free plans?
Weaviate: Yes. Confident AI: Yes.
Who makes Weaviate?
Weaviate is made by Weaviate, based in Netherlands.
Who makes Confident AI?
Confident AI is made by Confident AI, based in United States.
Which should I choose, Weaviate or Confident AI?
Choose Weaviate if you value strong hybrid search and open source and self-hostable. Choose Confident AI if you value popular open-source base and unit-test style workflow.