Dify vs GitHub Copilot CLI vs Voiceflow vs Stack AI

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

Your tool
Dify
vs
Competitor 1
GitHub Copilot CLI
Competitor 2
Voiceflow
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Dify
dify.ai
AI apps without code
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Competitor Voiceflow
voiceflow.com
Design conversations visually
Competitor Stack AI
stack-ai.com
Connect AI models visually
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
—
385Kvisits/mo
6.3Kvisits/mo
MoM change
▼ 16.6%
—
▼ 5.8%
▼ 57.9%
6-month growth
-30.6%
—
-35.3%
-93.7%
Global rank web
#39,510
—
#93,201
#1,700,092
Avg. last 3 months
1.1M
—
407.5K
13.9K
Bounce rate lower is better
41%
—
38%
39%
Pages / visit
4.4
—
5.2
1.8
Visit duration
6m 40s
—
3m 07s
14s
Traffic sources
● Direct 84% · ● Referral 15%
—
● Direct 75% · ● Referral 24%
—
DifyGitHub Copilot CLIVoiceflowStack AI
0368.2K736.4K1.1M1.5MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KStack 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 · 6.3K1K10K100K1M10MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KStack 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
Free
Freemium
Freemium
Starting price
$590per month · free tier available
Free
Free tier
Free tier
Free tier
Free trial
–
–
API access
–
Plans
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
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—
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Capabilities input → output
Input
DocumentsText
CodeText
DocumentsText
DataDocumentsText
Output
Apps
Code
Apps
Apps
Skill level
Intermediate
Intermediate
Intermediate
Intermediate
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
5
13
7
Agents
Agent creation
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No-code
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Workflows
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Chatbots
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Developer tools
–
–
Coding
–
–
–
Customer support
–
–
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Customer support chatbot
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–
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Voice agents
–
–
–
Business automation
–
–
–
Call agents
–
–
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Call center automation
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–
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Calls
–
–
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Chatbot building
–
–
–
GitHub pull requests
–
–
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LLM development
–
–
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Process automation
–
–
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Call answering
–
–
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Development
–
–
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Finance workflow automation
–
–
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GitHub management
–
–
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Productivity
–
–
–
Website to chatbot
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
▲ 0
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.