CrewAI vs OpenAI API vs Stack AI vs OpenAI Agents SDK

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

Your tool
CrewAI
vs
Competitor 1
OpenAI API
Competitor 2
Stack AI
Competitor 3
OAOpenAI Agents SDK
Compare
4 tools · best value per row highlighted
Your tool CrewAI
crewai.com
CrewAI is a multi-agent platform that covers the full agent lifecycle for businesses: discover what to automate, build agents, govern them in production and optimize them over time.
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Competitor 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 OAOpenAI Agents SDK
openai.github.io
The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
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Traffic estimated monthly website traffic
Monthly visits
476.6Kvisits/mo
15.2Mvisits/mo
6.3Kvisits/mo
—
MoM change
▼ 10.3%
▲ 4.6%
▼ 57.9%
—
6-month growth
-5.3%
-2.4%
-93.7%
—
Global rank web
#107,487
—
#1,700,092
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Avg. last 3 months
564.3K
15.2M
13.9K
—
Bounce rate lower is better
46%
34%
39%
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Pages / visit
2.6
5.4
1.8
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Visit duration
1m 32s
3m 56s
14s
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Traffic sources
● Direct 75% · ● Referral 23%
● Direct 82% · ● Referral 15%
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CrewAIOpenAI APIStack AIOpenAI Agents SDK
04.7M9.4M14.1M18.7MCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KOpenAI 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 · 6.3K1K10K100K1M10M100MCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KOpenAI 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Paid
Freemium
Free
Starting price
Free
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Free tier
Free
Free tier
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Free trial
–
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API access
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Plans
Basic FreeEnterprise $0
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Capabilities input → output
Input
Text
DocumentsImagesTextAudio
TextDocumentsData
TextCodeAudio
Output
CodeApps
AudioCodeImagesTextVideo
Apps
AudioApps
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
6
7
6
Agents
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Agent creation
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Developer tools
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No-code
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Workflows
–
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Agent collaboration
–
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LLM development
–
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APIs
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–
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Agent management
–
–
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Business automation
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–
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Large language models
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–
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Process automation
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–
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API integrations
–
–
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Agent testing
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–
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Chatbot building
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–
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Development
–
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Finance workflow automation
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–
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Voice agents
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 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.