Stack AI vs Langflow vs FastBots vs Flowise

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

Your tool
Stack AI
vs
Competitor 1
Langflow
Competitor 2
FastBots
Competitor 3
Flowise
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor FastBots
fastbots.ai
FastBots is a no-code platform for building AI-powered chatbots trained on your own business data
Make main Remove
Competitor Flowise
flowiseai.com
No-code AI workflows
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
215.3Kvisits/mo
110.6Kvisits/mo
168.3Kvisits/mo
MoM change
▼ 57.9%
▼ 0.7%
▲ 6.8%
▼ 27.6%
6-month growth
-93.7%
-4.9%
+13.2%
-14.1%
Global rank web
#1,700,092
#217,191
#400,314
#239,649
Avg. last 3 months
13.9K
225.2K
101.3K
203.8K
Bounce rate lower is better
39%
44%
39%
43%
Pages / visit
1.8
2.2
1.8
2.8
Visit duration
14s
1m 04s
7s
1m 23s
Traffic sources
—
● Direct 76% · ● Referral 24%
● Direct 77% · ● Referral 18%
● Direct 79% · ● Referral 19%
Stack AILangflowFastBotsFlowise
073.8K147.7K221.5K295.3KStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KFastBots · 140.5KFastBots · 136.4KFastBots · 156.8KFastBots · 130.4KFastBots · 97.7KFastBots · 79.1KFastBots · 68KFastBots · 89.9KFastBots · 103.5KFastBots · 110.6KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3K1K10K100K1MStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KFastBots · 140.5KFastBots · 136.4KFastBots · 156.8KFastBots · 130.4KFastBots · 97.7KFastBots · 79.1KFastBots · 68KFastBots · 89.9KFastBots · 103.5KFastBots · 110.6KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
Free tier
Free
$33per month
$35per month · free tier available
Free tier
–
Free trial
–
–
API access
–
Plans
—
—
Essential $33/moBusiness $75/moPremium $165/moReseller $333/mo
Free FreeStarter $35/moPro $65/mo
Capabilities input → output
Input
DataDocumentsText
Text
DataDocumentsWeb pages
DocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Business & MarketingChatbots & CompanionsAI ChatbotAI Customer Service+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
9
9
10
Agents
–
No-code
–
Workflows
–
Agent creation
–
Chatbots
–
Chatbot building
–
–
Chatbot integration
–
–
Development
–
–
Customer support
–
–
–
Customer support chatbot
–
–
–
Website to chatbot
–
–
–
Agent collaboration
–
–
–
Business automation
–
–
–
Developer tools
–
–
–
Knowledge-driven chatting
–
–
–
LLM development
–
–
–
Lead generation
–
–
–
Process automation
–
–
–
APIs
–
–
–
Finance workflow automation
–
–
–
Sales chatbots
–
–
–
Workflow deployment
–
–
–
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.