Qdrant - Vector Search Engine
Depends
Confidence: Medium
Buy Qdrant if you're building production semantic search, RAG, or AI agent memory at meaningful scale and can run infrastructure.
Comparison
Qdrant - Vector Search Engine vs Weaviate
Qdrant - Vector Search Engine and Weaviate both land on Depends.
Weaviate
Depends
Confidence: Medium
Buy if you have engineers building semantic search or RAG and want open-source control with SOC 2/HIPAA options.
| Compare | Qdrant - Vector Search Engine | Weaviate |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Production RAG pipelines | Engineering teams building RAG or semantic search |
| Who it's not for | Small prototypes . Chroma or pgvector are simpler | Non-technical teams wanting plug-and-play search |
| Privacy | Bug bounty program and enterprise controls, but two 2024 CVEs (one server, one client library) . patch promptly.³ | No known public vulnerabilities found in the sources reviewed.15 |
| Support quality | No independent support evidence found | No support-quality evidence in sources |
| Public sentiment | Developers on Reddit and in RAG communities engage heavily with Qdrant but report debugging complexity in real RAG apps.⁷ | Independent user reviews are sparse; most coverage is aggregator listings, with one analysis praising hybrid isolation options.14 |
| Biggest gotcha | Self-hosted defaults need manual hardening per official docs⁹ | Free tier covers self-hosting; cloud costs need a quote . model before committing.13 |
Pick Qdrant - Vector Search Engine when
- Production RAG pipelines
- Large-scale semantic search
- Self-hosted open-source AI stacks
- AI agent memory layers
When Qdrant - Vector Search Engine is not a fit
- Small prototypes . Chroma or pgvector are simpler
- Plain keyword search needs
- Teams with no DevOps capacity for self-hosting
- Spreadsheet-scale datasets
Pick Weaviate when
- Engineering teams building RAG or semantic search
- AI-native app developers needing hybrid search
- Regulated teams needing SOC 2/HIPAA options
- On-prem deployments for data privacy
When Weaviate is not a fit
- Non-technical teams wanting plug-and-play search
- Projects with no engineer to run a database
- Simple contact-list or spreadsheet use cases
- Buyers wanting a finished chatbot, not infrastructure
Sources
official
- Qdrant Cloud Pricingqdrant.techofficial
- CVE-2024-2221 Responseqdrant.techsecurity
- CVE-2024-3829 in qdrant-client (Snyk)security.snyk.iosecurity
- Qdrant $50M Series B announcementqdrant.technews
- HubSpot & Qdrant case studyqdrant.techofficial
- Is Qdrant actually the issue? (r/Rag)reddit.comreview
- Qdrant skills docs, Nous Research Hermeshermes-agent.nousresearch.comreview
- Secure a Self-Hosted Qdrant Instanceqdrant.techofficial
- OpenAI Cookbook: Qdrant with embeddingsdevelopers.openai.comreview
- Weaviate: The AI database developers loveweaviate.ioofficial
- Product security pageweaviate.ioofficial
review
- What AI Says About Weaviateparse.glreview
- Weaviate.io Safety Review (95/100 Trust Score)gridinsoft.comsecurity
- Weaviate - AI Agent | Pricing, Reviews & Alternativesaiagentstore.aireview