Stack AI vs ChatBotKit vs Langflow vs LangChain

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

Your tool
Stack AI
vs
Competitor 1
ChatBotKit
Competitor 2
Langflow
Competitor 3
LangChain
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor ChatBotKit
chatbotkit.com
ChatBotKit deploys your bot to WhatsApp and lets you spin up a custom agent with file-based task management and branded widgets
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor LangChain
langchain.com
Framework for building with large language models
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
35.4Kvisits/mo
215.3Kvisits/mo
3.4Mvisits/mo
MoM change
▼ 57.9%
▼ 12.0%
▼ 0.7%
▲ 0.7%
6-month growth
-93.7%
-20.6%
-4.9%
+21.0%
Global rank web
#1,700,092
#829,241
#217,191
#13,384
Avg. last 3 months
13.9K
42.7K
225.2K
3.3M
Bounce rate lower is better
39%
40%
44%
42%
Pages / visit
1.8
1.8
2.2
6.2
Visit duration
14s
10s
1m 04s
5m 29s
Traffic sources
—
—
● Direct 76% · ● Referral 24%
● Direct 73% · ● Referral 24%
Stack AIChatBotKitLangflowLangChain
0850.7K1.7M2.6M3.4MStack 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 · 6.3KChatBotKit · 37.5KChatBotKit · 41.5KChatBotKit · 42.7KChatBotKit · 34.7KChatBotKit · 44.6KChatBotKit · 77.7KChatBotKit · 58.9KChatBotKit · 52.3KChatBotKit · 40.2KChatBotKit · 35.4KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1K10K100K1M10MStack 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 · 6.3KChatBotKit · 37.5KChatBotKit · 41.5KChatBotKit · 42.7KChatBotKit · 34.7KChatBotKit · 44.6KChatBotKit · 77.7KChatBotKit · 58.9KChatBotKit · 52.3KChatBotKit · 40.2KChatBotKit · 35.4KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
Free tier
$25per month · free tier available
Free
$39per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
—
Basic $25/moPro $65/moScale $365/moEnterprise Custom
—
Developer FreePlus $39/moEnterprise Custom/mo
Capabilities input → output
Input
DataDocumentsText
DocumentsTextWeb pages
Text
CodeText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+2 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
8
9
6
Agents
Agent creation
No-code
–
–
LLM development
–
–
Workflows
–
–
Chatbots
–
–
Developer tools
–
–
Development
–
–
Business automation
–
–
–
Chatbot building
–
–
–
Customer support
–
–
–
Process automation
–
–
–
APIs
–
–
–
Agent testing
–
–
–
Discord bots
–
–
–
Finance workflow automation
–
–
–
MCP
–
–
–
On WhatsApp telegram
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.