Stack AI vs Chatbase vs pgvector vs Microsoft Copilot Studio

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

Your tool
Stack AI
vs
Competitor 1
Chatbase
Competitor 2
pgvector
Competitor 3
Microsoft Copilot Studio
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Chatbase
chatbase.co
Train chatbots on your content
Make main Remove
Competitor pgvector
github.com
pgvector is an open-source extension that adds vector similarity search to Postgres.
Make main Remove
Competitor Microsoft Copilot Studio
microsoft.com
Builders can add conversational chat or voice agents, give them autonomous capabilities such as planning and escalating work items, and connect them to business data through more than 1,500 pre-bui...
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
402.2Kvisits/mo
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MoM change
▼ 57.9%
▲ 2.0%
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6-month growth
-93.7%
-12.4%
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Global rank web
#1,700,092
#84,220
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Avg. last 3 months
13.9K
412.6K
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Bounce rate lower is better
39%
44%
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Pages / visit
1.8
6.9
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Visit duration
14s
4m 34s
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Traffic sources
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● Direct 81% · ● Referral 15%
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Stack AIChatbasepgvectorMicrosoft Copilot Studio
0147.7K295.3K443K590.6KStack 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 · 6.3KChatbase · 590.6KChatbase · 583.4KChatbase · 309.5KChatbase · 281.8KChatbase · 459KChatbase · 473.7KChatbase · 444.7KChatbase · 441.2KChatbase · 394.5KChatbase · 402.2K1K10K100K1MStack 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 · 6.3KChatbase · 590.6KChatbase · 583.4KChatbase · 309.5KChatbase · 281.8KChatbase · 459KChatbase · 473.7KChatbase · 444.7KChatbase · 441.2KChatbase · 394.5KChatbase · 402.2KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Free Trial
Starting price
Free tier
$40per month · free tier available
Free
$18per month
Free tier
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Free trial
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API access
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Plans
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Free FreeHobby $40/moStandard $150/moPro $500/mo+1 more
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Microsoft 365 Business Standard with Copilot $23.50/moMicrosoft 365 Copilot Business $18/moMicrosoft 365 Business Premium with Copilot $32/mo
Capabilities input → output
Input
DataDocumentsText
DocumentsTextWeb pages
Data
DataDocumentsText
Output
Apps
AppsText
Data
Apps
Skill level
Intermediate
Intermediate
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsAI ChatbotAI Customer Service+1 more
Development & CodeAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
10
7
11
Agents
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No-code
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Agent creation
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Chatbot building
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Chatbots
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Workflows
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Customer support chatbot
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Customer support
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Vector databases
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Vector indexes
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Agent management
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Business automation
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Chatbot integration
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Developer tools
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MCP
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PostgreSQL assistance
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Process automation
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Shopify customer support
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Voice agents
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Finance workflow automation
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RAG
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SQL
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Sales
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Self hosted
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Voice chatting
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Website to chatbot
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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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Saves
0
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0
Reviews
0
0
0
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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.