Stack AI vs OpenAI API 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
OpenAI API
Competitor 2
Microsoft Copilot Studio
Competitor 3
Suggested competitors for Stack AI: Appian89% Dify86% Flowise86% MindStudio85% Minded85% Make85% Pipefy85% Coze83%
Compare
3 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
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...
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
15.2Mvisits/mo
—
MoM change
▼ 57.9%
▲ 4.6%
—
6-month growth
-93.7%
-2.4%
—
Global rank web
#1,700,092
—
—
Avg. last 3 months
13.9K
15.2M
—
Bounce rate lower is better
39%
34%
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Pages / visit
1.8
5.4
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Visit duration
14s
3m 56s
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Traffic sources
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● Direct 82% · ● Referral 15%
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Stack AIOpenAI APIMicrosoft Copilot Studio
04.7M9.4M14.1M18.7MStack 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 · 6.3KOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2M1K10K100K1M10M100MStack 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 · 6.3KOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Free Trial
Starting price
Free tier
—
$18per month
Free tier
–
–
Free trial
API access
–
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Plans
—
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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
DocumentsTextImagesAudio
DataDocumentsText
Output
Apps
VideoTextImagesCodeAudio
Apps
Skill level
Intermediate
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI APILarge Language Models (LLMs)
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
6
11
Agents
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No-code
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Agent creation
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Workflows
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Chatbot building
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APIs
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Agent management
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Business automation
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Chatbots
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Developer tools
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LLM development
–
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Large language models
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MCP
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Process automation
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Voice agents
–
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API integrations
–
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Customer support chatbot
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Finance workflow automation
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–
Voice chatting
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.