kitio.aiQdrant vs Carton
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Carton is completely free, while Qdrant is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Payload filtering
- Quantization
- Hybrid sparse and dense search
- Multivector support
- Free cloud cluster
- Framework-agnostic inference API
- Model packing without conversion
- Automatic runner selection
- Rust core with language bindings
- Community model registry
| Feature | Qdrant | Carton |
|---|---|---|
| Best for | Fast open-source vector search engine written in Rust | Open-source library to run ML models from many programming languages |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Qdrant | Carton |
| Based in | Germany | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Carton is completely free, while Qdrant is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free Tier
Free
- Single node cluster
- 0.5 vCPU, 1GB RAM, 4GB disk
- Free cloud inference (select models)
Standard Tier
Usage-based
- Managed production clusters
Enterprise
Contact sales
- Enterprise security and compliance
- On-premise options
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
Qdrant
- High performance
- Generous free cloud tier
- Easy local setup
- Fewer built-in embedding helpers
- Cluster tuning needs care
- Smaller ecosystem than Postgres
Carton
- Free and open source
- No error-prone model conversion
- Same API across frameworks
- Many language bindings still in progress
- Small community compared to ONNX tooling
- Developer-only, no hosted service
Which one should you choose?
Choose Qdrant if you want:
- High performance
- Generous free cloud tier
- Easy local setup
Watch out: fewer built-in embedding helpers.
Choose Carton if you want:
- Free and open source
- No error-prone model conversion
- Same API across frameworks
Watch out: many language bindings still in progress.
Qdrant vs Carton FAQ
What is the difference between Qdrant and Carton?
Qdrant: Fast open-source vector search engine written in Rust. Carton: Open-source library to run ML models from many programming languages. Both are models & apis tools.
Is Qdrant or Carton cheaper?
Carton is completely free, while Qdrant is freemium.
Do Qdrant and Carton have free plans?
Qdrant: Yes. Carton: Yes, fully free.
Who makes Qdrant?
Qdrant is made by Qdrant, based in Germany.
Who makes Carton?
Carton is made by Carton.
Which should I choose, Qdrant or Carton?
Choose Qdrant if you value high performance and generous free cloud tier. Choose Carton if you value free and open source and no error-prone model conversion.