FastGPT vs Stack AI

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
Competitor 3
Suggested competitors for FastGPT: Langflow90% Dify88% Harpa87% ChatBotKit85% Mistral Vibe85% ChatGPT Enterprise85% LLangdock85% Soul Machines Studio85%
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2 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
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Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
MoM change
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▼ 57.9%
6-month growth
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-93.7%
Global rank web
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#1,700,092
Avg. last 3 months
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13.9K
Bounce rate lower is better
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39%
Pages / visit
—
1.8
Visit duration
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14s
Traffic sources
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FastGPTStack AI
042K84K126K167.9KStack 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 · 6.3K1K10K100K1MStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Starting price
CNY 99per month · free tier available
Free tier
Free tier
Free trial
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API access
Plans
Free Edition FreeBasic Edition $99/moAdvanced Edition $599/moCustom Edition Custom
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Capabilities input → output
Input
DocumentsTextWeb pages
DataDocumentsText
Output
Apps
Apps
Skill level
Advanced
Intermediate
Categories
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
2
3
Agents
Workflows
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No-code
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Chatbots
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
Saves
0
0
Reviews
0
0
Prompts
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.