OpenAI API vs Stack AI vs Pipefy vs Azure AI Foundry

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

Your tool
OpenAI API
vs
Competitor 1
Stack AI
Competitor 2
Pipefy
Competitor 3
Azure AI Foundry
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
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Competitor Stack AI
stack-ai.com
Connect AI models visually
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Competitor Pipefy
pipefy.com
Make main Remove
Competitor Azure AI Foundry
azure.microsoft.com
Azure AI Foundry, now branded Microsoft Foundry, is Microsoft's enterprise platform for building, grounding and governing AI applications and agents.
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Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
6.3Kvisits/mo
2.7Mvisits/mo
—
MoM change
▲ 4.6%
▼ 57.9%
▲ 13.8%
—
6-month growth
-2.4%
-93.7%
+18.7%
—
Global rank web
—
#1,700,092
#17,377
—
Avg. last 3 months
15.2M
13.9K
2.6M
—
Bounce rate lower is better
34%
39%
45%
—
Pages / visit
5.4
1.8
7.4
—
Visit duration
3m 56s
14s
9m 54s
—
Traffic sources
● Direct 82% · ● Referral 15%
—
● Direct 80% · ● Mail 13%
—
OpenAI APIStack AIPipefyAzure AI Foundry
04.7M9.4M14.1M18.7MOpenAI 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 · 15.2MStack 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 · 6.3KPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7M1K10K100K1M10M100MOpenAI 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 · 15.2MStack 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 · 6.3KPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
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Starting price
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Free tier
Free tier
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Free tier
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Free trial
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API access
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Plans
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Starter FreeBusiness CustomEnterprise Custom
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Capabilities input → output
Input
DocumentsImagesTextAudio
TextDocumentsData
TextData
TextImagesAudio
Output
AudioCodeImagesTextVideo
Apps
Apps
TextImagesApps
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI API+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
7
4
13
Agents
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Agent creation
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No-code
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Workflows
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APIs
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LLM development
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Large language models
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Developer tools
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Agent management
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–
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Business automation
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–
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Model routing
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–
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Models management
–
–
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Process automation
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–
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AI system monitoring
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–
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API integrations
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–
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Azure
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–
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Chatbot building
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–
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Finance workflow automation
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–
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Fine-Tuning
–
–
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LLM training
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 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.