Langflow vs FastGPT vs Cloudgeni vs Stack AI
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Langflow
vs
Langflow
Competitor 1
FastGPT
FastGPT
Competitor 2
Cloudgeni
Cloudgeni
Competitor 3
Stack AI
Stack AICompare
4 tools · best value per row highlighted
Competitor
FastGPT
FastGPT
fastgpt.io
FastGPT is an open-source platform for building AI agents and knowledge-base applications.
Traffic estimated monthly website traffic
Monthly visits
215.3Kvisits/mo
—
933visits/mo
6.3Kvisits/mo
MoM change
▼ 0.7%
—
▼ 23.2%
▼ 57.9%
6-month growth
-4.9%
—
—
-93.7%
Global rank web
#217,191
—
#13,519,090
#1,700,092
Avg. last 3 months
225.2K
—
843
13.9K
Bounce rate lower is better
44%
—
33%
39%
Pages / visit
2.2
—
1.7
1.8
Visit duration
1m 04s
—
27s
14s
Traffic sources
● Direct 76% · ● Referral 24%
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—
—
LangflowFastGPTCloudgeniStack AI
Pricing
Model
Free
Freemium
Paid
Freemium
Starting price
Free
CNY 99per month · free tier available
$449per month
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
CodeDataText
DataDocumentsText
Output
Apps
Apps
Code
Apps
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
9
2
1
5
Agents
–
No-code
–
–
Workflows
–
–
Agent creation
–
–
Chatbots
–
–
–
Developer tools
–
–
–
Development
–
–
–
LLM development
–
–
–
APIs
–
–
–
Customer support chatbot
–
–
–
Finance workflow automation
–
–
–
Infrastructure monitoring
–
–
–
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.