FastGPT vs Stack AI vs Flowise vs Glean

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

Your tool
FastGPT
vs
Competitor 1
Stack AI
Competitor 2
Flowise
Competitor 3
Glean
Compare
4 tools · best value per row highlighted
Your tool FastGPT
fastgpt.io
FastGPT is an open-source platform for building AI agents and knowledge-base applications.
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Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Flowise
flowiseai.com
No-code AI workflows
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Competitor Glean
glean.com
Glean is an enterprise AI platform that connects to company apps and data to provide search, an AI assistant and agents.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
168.3Kvisits/mo
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MoM change
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▼ 57.9%
▼ 27.6%
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6-month growth
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-93.7%
-14.1%
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Global rank web
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#1,700,092
#239,649
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Avg. last 3 months
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13.9K
203.8K
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Bounce rate lower is better
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39%
43%
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Pages / visit
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1.8
2.8
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Visit duration
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14s
1m 23s
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Traffic sources
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● Direct 79% · ● Referral 19%
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FastGPTStack AIFlowiseGlean
063.6K127.2K190.8K254.4KStack 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 · 6.3KFlowise · 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 · 6.3KFlowise · 254.4KFlowise · 249KFlowise · 240.1KFlowise · 195.9KFlowise · 226.4KFlowise · 223.8KFlowise · 210.5KFlowise · 232.5KFlowise · 168.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
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Starting price
CNY 99per month · free tier available
Free tier
$35per month · free tier available
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Free tier
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Free trial
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API access
Plans
Free Edition FreeBasic Edition $99/moAdvanced Edition $599/moCustom Edition Custom
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Free FreeStarter $35/moPro $65/mo
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Capabilities input → output
Input
DocumentsTextWeb pages
DataDocumentsText
DocumentsText
DataDocumentsText
Output
Apps
Apps
Apps
Text
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Chatbots & CompanionsEducation & LearningProductivity & OfficeAI Agent+2 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Education & LearningProductivity & OfficeAI AgentAI Assistant+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
9
7
10
10
Agents
Agent creation
Workflows
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No-code
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Chatbot building
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Chatbots
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Knowledge bases
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AI search
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RAG
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Agent collaboration
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Agent management
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Business automation
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Business productivity
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Knowledge
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Process automation
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Self hosted
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Chatbot integration
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Customer support chatbot
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Development
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Digital information management
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Finance workflow automation
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Knowledge sourcing
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Model routing
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Workflow deployment
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
0
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Prompts
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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.