pgvector vs Pinecone vs LangChain vs Chroma

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
LangChain
Competitor 3
Chroma
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.
Remove
Competitor Pinecone
pinecone.io
Vector database for AI applications
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Competitor Chroma
trychroma.com
Chroma is open-source search infrastructure for AI, released under Apache 2.0.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
434.9Kvisits/mo
3.4Mvisits/mo
—
MoM change
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▼ 13.7%
▲ 0.7%
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6-month growth
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-32.9%
+21.0%
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Global rank web
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#85,031
#13,384
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Avg. last 3 months
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506.2K
3.3M
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Bounce rate lower is better
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41%
42%
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Pages / visit
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4.2
6.2
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Visit duration
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2m 31s
5m 29s
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Traffic sources
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● Direct 77% · ● Referral 20%
● Direct 73% · ● Referral 24%
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pgvectorPineconeLangChainChroma
0850.7K1.7M2.6M3.4MPinecone · 602KPinecone · 565.4KPinecone · 627.7KPinecone · 536.6KPinecone · 648KPinecone · 602.3KPinecone · 648KPinecone · 579.9KPinecone · 503.7KPinecone · 434.9KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M100K1M10MPinecone · 602KPinecone · 565.4KPinecone · 627.7KPinecone · 536.6KPinecone · 648KPinecone · 602.3KPinecone · 648KPinecone · 579.9KPinecone · 503.7KPinecone · 434.9KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$20per month · free tier available
$39per month · free tier available
$250per month · free tier available
Free tier
Free trial
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API access
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Plans
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Starter FreeBuilder $20/moStandard $50/moEnterprise $500/mo
Developer FreePlus $39/moEnterprise Custom/mo
Starter FreeTeam $250/moEnterprise Custom
Capabilities input → output
Input
Data
DataText
CodeText
DataText
Output
Data
Data
Apps
Data
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
4
6
6
Developer tools
Vector databases
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Vector indexes
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LLM development
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Development
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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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Databases
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PostgreSQL assistance
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Agent testing
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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
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▲ 1
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Saves
0
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Reviews
0
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.