Qdrant vs pgvector vs Haystack vs Lambda

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Qdrant
vs
Competitor 1
pgvector
Competitor 2
Haystack
Competitor 3
Lambda
Compare
4 tools · best value per row highlighted
Your tool Qdrant
qdrant.tech
Vectors at scale
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Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
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Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
310.5Kvisits/mo
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MoM change
▲ 0.3%
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6-month growth
-6.1%
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Global rank web
#175,101
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Avg. last 3 months
306.8K
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Bounce rate lower is better
50%
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Pages / visit
1.8
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Visit duration
1m 13s
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Traffic sources
● Direct 75% · ● Referral 24%
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QdrantpgvectorHaystackLambda
090.9K181.7K272.6K363.4KQdrant · 315.9KQdrant · 319.2KQdrant · 363.4KQdrant · 330.7KQdrant · 354.7KQdrant · 315.9KQdrant · 300.2KQdrant · 309.7KQdrant · 310.5K100K1MQdrant · 315.9KQdrant · 319.2KQdrant · 363.4KQdrant · 330.7KQdrant · 354.7KQdrant · 315.9KQdrant · 300.2KQdrant · 309.7KQdrant · 310.5KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Free
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Paid
Starting price
Free tier
Free
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Free tier
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Free trial
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API access
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Plans
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On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Capabilities input → output
Input
Data
Data
CodeDocuments
CodeData
Output
Data
Data
Apps
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
7
7
3
Developer tools
Vector databases
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Vector indexes
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RAG
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Self hosted
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Agent creation
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Agents
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GPU infrastructure
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LLM development
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Database search
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Databases
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PostgreSQL assistance
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Agent memory
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Database management
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Development
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Model training
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SQL
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
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Saves
0
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Reviews
0
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Prompts
0
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.