Langflow vs Dialogflow vs Stack AI vs illumi

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

Your tool
Langflow
vs
Competitor 1
Dialogflow
Competitor 2
Stack AI
Competitor 3
illumi
Compare
4 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
Remove
Competitor Dialogflow
cloud.google.com
Google's conversational AI
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor illumi
illumi.one
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
48Mvisits/mo
6.3Kvisits/mo
4.8Kvisits/mo
MoM change
▼ 0.7%
▲ 1.9%
▼ 57.9%
▲ 13.4%
6-month growth
-4.9%
+1.6%
-93.7%
-37.4%
Global rank web
#217,191
#560
#1,700,092
#3,948,892
Avg. last 3 months
225.2K
48M
13.9K
4.7K
Bounce rate lower is better
44%
35%
39%
34%
Pages / visit
2.2
10.4
1.8
2.1
Visit duration
1m 04s
7m 47s
14s
47s
Traffic sources
● Direct 76% · ● Referral 24%
● Direct 67% · ● Referral 29%
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—
LangflowDialogflowStack AIillumi
013.2M26.5M39.7M52.9MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MStack 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 · 6.3Killumi · 3.9Killumi · 6.1Killumi · 5.9Killumi · 6.7Killumi · 7.7Killumi · 5.9Killumi · 6.9Killumi · 4.9Killumi · 4.2Killumi · 4.8K1K10K100K1M10M100MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KDialogflow · 44.3MDialogflow · 45.8MDialogflow · 47.8MDialogflow · 47.2MDialogflow · 52.9MDialogflow · 49.9MDialogflow · 48.8MDialogflow · 47.1MDialogflow · 48MStack 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 · 6.3Killumi · 3.9Killumi · 6.1Killumi · 5.9Killumi · 6.7Killumi · 7.7Killumi · 5.9Killumi · 6.9Killumi · 4.9Killumi · 4.2Killumi · 4.8KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
Free tier
Free tier
$12per month · free tier available
Free tier
Free trial
–
–
API access
–
Plans
—
—
—
Starter FreePro $12/moTeam CustomDesign Partner $0
Capabilities input → output
Input
Text
AudioText
DataDocumentsText
DocumentsText
Output
Apps
Apps
Apps
Text
Skill level
Advanced
Advanced
Intermediate
Beginner-friendly
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Business & MarketingChatbots & CompanionsAI Call CenterAI Chatbot+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsProductivity & OfficeAI ChatbotAI Mind Mapping
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
7
3
0
Agents
–
–
Chatbots
–
–
No-code
–
–
Workflows
–
–
Chatbot building
–
–
–
Agent creation
–
–
–
Call center automation
–
–
–
Customer support
–
–
–
Customer support chatbot
–
–
–
Developer tools
–
–
–
Development
–
–
–
LLM development
–
–
–
APIs
–
–
–
Call agents
–
–
–
Chatbot integration
–
–
–
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.