Pinecone vs pgvector vs ReadMe vs Weaviate

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

Your tool
Pinecone
vs
Competitor 1
pgvector
Competitor 2
ReadMe
Competitor 3
Weaviate
Compare
4 tools · best value per row highlighted
Your tool Pinecone
pinecone.io
Vector database for AI applications
Remove
Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Make main Remove
Competitor ReadMe
readme.com
ReadMe builds interactive API documentation that developers can read, test and search.
Make main Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
434.9Kvisits/mo
—
—
154.2Kvisits/mo
MoM change
▼ 13.7%
—
—
▼ 11.8%
6-month growth
-32.9%
—
—
-7.0%
Global rank web
#85,031
—
—
#293,589
Avg. last 3 months
506.2K
—
—
155.7K
Bounce rate lower is better
41%
—
—
41%
Pages / visit
4.2
—
—
1.9
Visit duration
2m 31s
—
—
50s
Traffic sources
● Direct 77% · ● Referral 20%
—
—
● Direct 82% · ● Referral 18%
PineconepgvectorReadMeWeaviate
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 · 154.2K100K1MPinecone · 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 · 154.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
$20per month · free tier available
Free
$250per month · free tier available
$45per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
Starter FreeBuilder $20/moStandard $50/moEnterprise $500/mo
—
Starter FreePro $250/moEnterprise Custom
Free FreeFlex $45/moPremium $0
Capabilities input → output
Input
DataText
Data
DocumentsTextWeb pages
DataImagesText
Output
Data
Data
DocumentsText
Data
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
7
6
6
Developer tools
Vector databases
–
Databases
–
–
API docs
–
–
–
Vector indexes
–
–
–
Code documentation
–
–
–
PostgreSQL assistance
–
–
–
AI search
–
–
–
APIs
–
–
–
Development
–
–
–
Information retrieval
–
–
–
Knowledge bases
–
–
–
LLM development
–
–
–
MCP
–
–
–
RAG
–
–
–
SQL
–
–
–
Self hosted
–
–
–
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
–
–
–
–

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.