Chatbase vs pgvector vs Stack AI vs ChatNode

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

Your tool
Chatbase
vs
Competitor 1
pgvector
Competitor 2
Stack AI
Competitor 3
ChatNode
Compare
4 tools · best value per row highlighted
Your tool Chatbase
chatbase.co
Train chatbots on your content
Remove
Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor ChatNode
chatnode.ai
ChatNode builds AI customer service agents that handle support queries and execute actions through API calls
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
402.2Kvisits/mo
—
6.3Kvisits/mo
7.9Kvisits/mo
MoM change
▲ 2.0%
—
▼ 57.9%
▼ 56.0%
6-month growth
-12.4%
—
-93.7%
-13.9%
Global rank web
#84,220
—
#1,700,092
#1,061,283
Avg. last 3 months
412.6K
—
13.9K
12.2K
Bounce rate lower is better
44%
—
39%
39%
Pages / visit
6.9
—
1.8
4.9
Visit duration
4m 34s
—
14s
2m 20s
Traffic sources
● Direct 81% · ● Referral 15%
—
—
● Direct 97% · ● Mail 3%
ChatbasepgvectorStack AIChatNode
0147.7K295.3K443K590.6KChatbase · 590.6KChatbase · 583.4KChatbase · 309.5KChatbase · 281.8KChatbase · 459KChatbase · 473.7KChatbase · 444.7KChatbase · 441.2KChatbase · 394.5KChatbase · 402.2KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KChatNode · 11.7KChatNode · 6.7KChatNode · 10KChatNode · 9.2KChatNode · 4.6KChatNode · 10.4KChatNode · 10.6KChatNode · 18KChatNode · 7.9K1K10K100K1MChatbase · 590.6KChatbase · 583.4KChatbase · 309.5KChatbase · 281.8KChatbase · 459KChatbase · 473.7KChatbase · 444.7KChatbase · 441.2KChatbase · 394.5KChatbase · 402.2KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KChatNode · 11.7KChatNode · 6.7KChatNode · 10KChatNode · 9.2KChatNode · 4.6KChatNode · 10.4KChatNode · 10.6KChatNode · 18KChatNode · 7.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Free Trial
Starting price
$40per month · free tier available
Free
Free tier
$35per month
Free tier
–
Free trial
–
API access
–
Plans
Free FreeHobby $40/moStandard $150/moPro $500/mo+1 more
—
—
Lite $35/moStandard $89/moScale $377/moEnterprise Custom
Capabilities input → output
Input
DocumentsTextWeb pages
Data
DataDocumentsText
DocumentsTextWeb pages
Output
AppsText
Data
Apps
Apps
Skill level
Intermediate
Advanced
Intermediate
Intermediate
Categories
Business & MarketingChatbots & CompanionsAI ChatbotAI Customer Service+1 more
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
3
5
7
Agents
–
Customer support
–
–
Customer support chatbot
–
–
Chatbots
–
–
No-code
–
–
Chatbot building
–
–
Chatbot integration
–
–
Website to chatbot
–
–
Vector databases
–
–
–
Vector indexes
–
–
–
Workflows
–
–
–
Agent creation
–
–
–
PostgreSQL assistance
–
–
–
Shopify customer support
–
–
–
Finance workflow automation
–
–
–
Sales
–
–
–
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.