Langflow vs Langdock 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
LLangdock
Competitor 2
DDefapi
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
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Competitor LLangdock
langdock.com
Langdock is an AI adoption platform that puts chat, workflow automation, custom agents, integrations and an API in one workspace for an entire company.
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Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
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Competitor Stack AI
stack-ai.com
Connect AI models visually
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Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
—
2.4Kvisits/mo
6.3Kvisits/mo
MoM change
▼ 0.7%
—
▼ 42.6%
▼ 57.9%
6-month growth
-4.9%
—
-86.2%
-93.7%
Global rank web
#217,191
—
#4,650,820
#1,700,092
Avg. last 3 months
225.2K
—
4.8K
13.9K
Bounce rate lower is better
44%
—
36%
39%
Pages / visit
2.2
—
1.4
1.8
Visit duration
1m 04s
—
7s
14s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
—
LangflowLangdockDefapiStack AI
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KDefapi · 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 · 215.3KDefapi · 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
€25per month
—
Free tier
Free tier
–
–
Free trial
–
–
API access
Plans
—
Trial FreeBusiness €25/moEnterprise CustomWorkflows Business add-on €539/mo+1 more
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
TextDocumentsCode
TextImagesAudio
DataTextDocuments
Output
Apps
TextCode
TextImagesAudio
Apps
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsProductivity & OfficeAI AgentAI Chatbot+1 more
Development & CodeAI API
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
7
4
7
Agents
–
Workflows
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Agent creation
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APIs
–
No-code
–
–
Chatbots
–
–
API integrations
–
–
–
API management
–
–
–
Business automation
–
–
–
Developer tools
–
–
–
Development
–
–
–
LLM development
–
–
–
Process automation
–
–
–
API security
–
–
–
Business productivity
–
–
–
Finance workflow automation
–
–
–
Self hosted
–
–
–
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
–
–
–
–

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.