kitio.aiVald vs Stacklok
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Vald is completely free, while Stacklok is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Distributed ANN search
- Asynchronous auto-indexing
- Index replication
- Automatic index backup
- Custom gRPC filters
- Multi-language SDKs
- MCP registry
- MCP gateway
- MCP runtime
- AI gateway
- Kubernetes-native deployment
- Open-source agent harness
| Feature | Vald | Stacklok |
|---|---|---|
| Best for | Open-source distributed vector search engine for billions of vectors | Kubernetes-native MCP and AI gateway platform for enterprise agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | vdaas | Stacklok |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Vald is completely free, while Stacklok is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Vald
- Free and open source
- Scales to billions of vectors
- Keeps serving while indexing
- Needs Kubernetes to run
- No managed cloud offering
- More setup than hosted vector databases
Stacklok
- Built by Kubernetes co-creators
- Avoids lock-in to one model vendor
- Fits existing Kubernetes ops
- Requires Kubernetes expertise
- Enterprise pricing not published
- Aimed at platform teams, not end users
Which one should you choose?
Choose Vald if you want:
- Free and open source
- Scales to billions of vectors
- Keeps serving while indexing
Watch out: needs kubernetes to run.
Choose Stacklok if you want:
- Built by Kubernetes co-creators
- Avoids lock-in to one model vendor
- Fits existing Kubernetes ops
Watch out: requires kubernetes expertise.
Vald vs Stacklok FAQ
What is the difference between Vald and Stacklok?
Vald: Open-source distributed vector search engine for billions of vectors. Stacklok: Kubernetes-native MCP and AI gateway platform for enterprise agents. Both are models & apis tools.
Is Vald or Stacklok cheaper?
Vald is completely free, while Stacklok is freemium.
Do Vald and Stacklok have free plans?
Vald: Yes, fully free. Stacklok: Yes.
Who makes Vald?
Vald is made by vdaas.
Who makes Stacklok?
Stacklok is made by Stacklok, based in United States.
Which should I choose, Vald or Stacklok?
Choose Vald if you value free and open source and scales to billions of vectors. Choose Stacklok if you value built by kubernetes co-creators and avoids lock-in to one model vendor.