Lambda vs pgvector vs Qdrant vs Haystack

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

Your tool
Lambda
vs
Competitor 1
pgvector
Competitor 2
Qdrant
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
Remove
Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Make main Remove
Competitor Qdrant
qdrant.tech
Vectors at scale
Make main Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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310.5Kvisits/mo
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MoM change
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▲ 0.3%
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6-month growth
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-6.1%
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Global rank web
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#175,101
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Avg. last 3 months
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306.8K
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Bounce rate lower is better
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50%
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Pages / visit
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1.8
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Visit duration
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1m 13s
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Traffic sources
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● Direct 75% · ● Referral 24%
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LambdapgvectorQdrantHaystack
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
Paid
Free
Freemium
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Starting price
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Free
Free tier
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Free tier
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Free trial
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API access
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Plans
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
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Capabilities input → output
Input
CodeData
Data
Data
CodeDocuments
Output
Apps
Data
Data
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
3
7
7
7
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
▲ 0
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Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
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.