pgvector vs Pinecone vs Weaviate vs GigaSpaces eRAG GenAI

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

Your tool
pgvector
vs
Competitor 1
Pinecone
Competitor 2
Weaviate
Competitor 3
GigaSpaces eRAG GenAI
Compare
4 tools · best value per row highlighted
Your tool pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Competitor Pinecone
pinecone.io
Vector database for AI applications
Competitor Weaviate
weaviate.io
Search that understands meaning
Competitor GigaSpaces eRAG GenAI
gigaspaces.com
Traffic estimated monthly website traffic
Monthly visits
—
434.9Kvisits/mo
154.2Kvisits/mo
33.1Kvisits/mo
MoM change
—
▼ 13.7%
▼ 11.8%
▲ 1.9%
6-month growth
—
-32.9%
-7.0%
+18.8%
Global rank web
—
#85,031
#293,589
#993,506
Avg. last 3 months
—
506.2K
155.7K
27.4K
Bounce rate lower is better
—
41%
41%
39%
Pages / visit
—
4.2
1.9
1.6
Visit duration
—
2m 31s
50s
20s
Traffic sources
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● Direct 77% · ● Referral 20%
● Direct 82% · ● Referral 18%
—
pgvectorPineconeWeaviateGigaSpaces eRAG GenAI
0162K324K486K648KPinecone · 602KPinecone · 565.4KPinecone · 627.7KPinecone · 536.6KPinecone · 648KPinecone · 602.3KPinecone · 648KPinecone · 579.9KPinecone · 503.7KPinecone · 434.9KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KGigaSpaces eRAG GenAI · 25.3KGigaSpaces eRAG GenAI · 29.6KGigaSpaces eRAG GenAI · 33.3KGigaSpaces eRAG GenAI · 27.8KGigaSpaces eRAG GenAI · 32.1KGigaSpaces eRAG GenAI · 25.4KGigaSpaces eRAG GenAI · 16.8KGigaSpaces eRAG GenAI · 32.4KGigaSpaces eRAG GenAI · 33.1K10K100K1MPinecone · 602KPinecone · 565.4KPinecone · 627.7KPinecone · 536.6KPinecone · 648KPinecone · 602.3KPinecone · 648KPinecone · 579.9KPinecone · 503.7KPinecone · 434.9KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KGigaSpaces eRAG GenAI · 25.3KGigaSpaces eRAG GenAI · 29.6KGigaSpaces eRAG GenAI · 33.3KGigaSpaces eRAG GenAI · 27.8KGigaSpaces eRAG GenAI · 32.1KGigaSpaces eRAG GenAI · 25.4KGigaSpaces eRAG GenAI · 16.8KGigaSpaces eRAG GenAI · 32.4KGigaSpaces eRAG GenAI · 33.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Free
Starting price
Free
$20per month · free tier available
$45per month · free tier available
Free
Free tier
Free trial
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–
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API access
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–
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Plans
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Starter FreeBuilder $20/moStandard $50/moEnterprise $500/mo
Free FreeFlex $45/moPremium $0
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Capabilities input → output
Input
Data
DataText
DataImagesText
Data
Output
Data
Data
Data
Data
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
4
6
3
Vector databases
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Developer tools
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Databases
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RAG
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Vector indexes
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–
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Database q a
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–
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PostgreSQL assistance
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–
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APIs
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–
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Chatbots
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–
–
Development
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–
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Information retrieval
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–
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LLM development
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–
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SQL
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–
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Self hosted
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
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.