Langflow vs CometAPI vs Defapi vs Stack AI

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

Your tool
Langflow
vs
Competitor 1
CometAPI
Competitor 2
DDefapi
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
Remove
Competitor CometAPI
cometapi.com
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Make main Remove
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
302.3Kvisits/mo
2.4Kvisits/mo
6.3Kvisits/mo
MoM change
▼ 0.7%
▲ 9.9%
▼ 42.6%
▼ 57.9%
6-month growth
-4.9%
-16.5%
-86.2%
-93.7%
Global rank web
#217,191
#157,147
#4,650,820
#1,700,092
Avg. last 3 months
225.2K
295.7K
4.8K
13.9K
Bounce rate lower is better
44%
46%
36%
39%
Pages / visit
2.2
2.9
1.4
1.8
Visit duration
1m 04s
38s
7s
14s
Traffic sources
● Direct 76% · ● Referral 24%
● Direct 69% · ● Referral 30%
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LangflowCometAPIDefapiStack AI
0208.6K417.2K625.8K834.4KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KStack 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 · 6.3K1K10K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KCometAPI · 834.4KCometAPI · 619.7KCometAPI · 437.2KCometAPI · 362.2KCometAPI · 355.5KCometAPI · 362.7KCometAPI · 309.5KCometAPI · 275.2KCometAPI · 302.3KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KStack 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
Freemium
Paid
Freemium
Starting price
Free
$4per month · free tier available
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Free tier
Free tier
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Free trial
–
–
API access
Plans
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Free Trial FreePay-as-you-go Custom/usage-basedEnterprise Custom/mo
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
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Capabilities input → output
Input
Text
TextImages
TextImagesAudio
DataTextDocuments
Output
Apps
VideoTextImages
TextImagesAudio
Apps
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeAI API
Development & CodeAI API
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
6
4
5
APIs
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Agents
–
–
No-code
–
–
API integrations
–
–
Workflows
–
–
Agent creation
–
–
Developer tools
–
–
LLM gateway
–
–
–
API management
–
–
–
Chatbots
–
–
–
Development
–
–
–
LLM development
–
–
–
API security
–
–
–
Finance workflow automation
–
–
–
Image generation
–
–
–
Video generation
–
–
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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.