Weaviate vs Rivet vs pgvector vs Respan

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

Your tool
Weaviate
vs
Competitor 1
Rivet
Competitor 2
pgvector
Competitor 3
Respan
Compare
4 tools · best value per row highlighted
Your tool Weaviate
weaviate.io
Search that understands meaning
Remove
Competitor Rivet
rivet.ironcladapp.com
Rivet is an open-source visual programming environment for building AI agents with large language models.
Make main Remove
Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Make main Remove
Competitor Respan
respan.ai
Building AI apps
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
154.2Kvisits/mo
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87.3Kvisits/mo
MoM change
▼ 11.8%
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▲ 28.5%
6-month growth
-7.0%
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+881.1%
Global rank web
#293,589
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#497,399
Avg. last 3 months
155.7K
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74.8K
Bounce rate lower is better
41%
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41%
Pages / visit
1.9
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2.5
Visit duration
50s
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19s
Traffic sources
● Direct 82% · ● Referral 18%
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● Direct 89% · ● Referral 11%
WeaviateRivetpgvectorRespan
056.5K113K169.5K226KWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3K1001K10K100K1MWeaviate · 226KWeaviate · 193.3KWeaviate · 188.9KWeaviate · 165.9KWeaviate · 184.5KWeaviate · 169.2KWeaviate · 137.9KWeaviate · 174.8KWeaviate · 154.2KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Free
Freemium
Starting price
$45per month · free tier available
Free
Free
$199per month · free tier available
Free tier
Free trial
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API access
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Plans
Free FreeFlex $45/moPremium $0
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Free FreeTeam $199/yrEnterprise Custom
Capabilities input → output
Input
DataImagesText
Text
Data
DataText
Output
Data
Apps
Data
DataText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
5
7
9
Developer tools
LLM development
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Vector databases
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APIs
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AI system monitoring
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Agent creation
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Vector indexes
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Agents
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Databases
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LLM testing
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Monitoring
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No-code
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PostgreSQL assistance
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Prompt management
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Application monitoring
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Information retrieval
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RAG
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Red teaming guidance
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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
▲ 0
▲ 0
▲ 0
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Saves
0
0
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0
Reviews
0
0
0
0
Prompts
0
0
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.