Langflow vs FastGPT 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
FastGPT
Competitor 2
Stack AI
Competitor 3
Suggested competitors for Langflow: Flowise92% Dify88% LangChain85% Haystack82% illumi79% Redlight Greenlight for Claude Code77% Cloudgeni77% MindStudio76%
Compare
3 tools · best value per row highlighted
Your tool Langflow
langflow.org
Drag and drop AI
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Competitor FastGPT
fastgpt.io
FastGPT is an open-source platform for building AI agents and knowledge-base applications.
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
—
6.3Kvisits/mo
MoM change
▼ 0.7%
—
▼ 57.9%
6-month growth
-4.9%
—
-93.7%
Global rank web
#217,191
—
#1,700,092
Avg. last 3 months
225.2K
—
13.9K
Bounce rate lower is better
44%
—
39%
Pages / visit
2.2
—
1.8
Visit duration
1m 04s
—
14s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
LangflowFastGPTStack AI
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KStack 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 · 6.3K1K10K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
CNY 99per month · free tier available
Free tier
Free tier
Free trial
–
–
API access
Plans
—
Free Edition FreeBasic Edition $99/moAdvanced Edition $599/moCustom Edition Custom
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Capabilities input → output
Input
Text
DocumentsTextWeb pages
DataDocumentsText
Output
Apps
Apps
Apps
Skill level
Advanced
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Chatbots & CompanionsEducation & LearningProductivity & OfficeAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
2
3
Agents
No-code
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Workflows
–
Chatbots
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Agent creation
–
–
Developer tools
–
–
Development
–
–
LLM development
–
–
APIs
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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–
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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.