pgvector vs InfinityFlow vs Weaviate vs act101

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

Your tool
pgvector
vs
Competitor 1
InfinityFlow
Competitor 2
Weaviate
Competitor 3
act101
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.
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Competitor InfinityFlow
infiniflow.org
Make main Remove
Competitor Weaviate
weaviate.io
Search that understands meaning
Make main Remove
Competitor act101
act101.ai
Build bigger, better, faster, for less.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
3.3Kvisits/mo
154.2Kvisits/mo
—
MoM change
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▲ 17.5%
▼ 11.8%
—
6-month growth
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+50.9%
-7.0%
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Global rank web
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#4,102,626
#293,589
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Avg. last 3 months
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3K
155.7K
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Bounce rate lower is better
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36%
41%
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Pages / visit
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3.1
1.9
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Visit duration
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15s
50s
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Traffic sources
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● Direct 82% · ● Referral 18%
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pgvectorInfinityFlowWeaviateact101
056.5K113K169.5K226KInfinityFlow · 3.8KInfinityFlow · 6.5KInfinityFlow · 4.9KInfinityFlow · 2.2KInfinityFlow · 3.4KInfinityFlow · 2.5KInfinityFlow · 2.8KInfinityFlow · 2.8KInfinityFlow · 3.3KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2K1K10K100K1MInfinityFlow · 3.8KInfinityFlow · 6.5KInfinityFlow · 4.9KInfinityFlow · 2.2KInfinityFlow · 3.4KInfinityFlow · 2.5KInfinityFlow · 2.8KInfinityFlow · 2.8KInfinityFlow · 3.3KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Free
Freemium
Freemium
Starting price
Free
Free
$45per month · free tier available
$29per month · free tier available
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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Free FreeFlex $45/moPremium $0
Builder Edition FreeEngineering Edition $29/moArchitecture Edition $59/moElite Edition $99/mo
Capabilities input → output
Input
Data
DataText
DataImagesText
Code
Output
Data
Data
Data
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Developer Tools
Development & CodeAI Code ReviewAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
6
6
10
Developer tools
Vector databases
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Vector indexes
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Databases
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RAG
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Code analysis
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Code conversion
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Code translation
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Refactoring
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Code quality
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Coding
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MCP
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PostgreSQL assistance
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APIs
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Agents
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Code reviews
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Embeds
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Information retrieval
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LLM development
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SQL
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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▲ 0
▲ 1
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.