Dify vs Pipecat vs OpenAI Codex CLI 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
Pipecat
Competitor 2
OpenAI Codex CLI
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Dify
dify.ai
AI apps without code
Competitor Pipecat
pipecat.ai
Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Competitor Stack AI
stack-ai.com
Connect AI models visually
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
—
—
6.3Kvisits/mo
MoM change
▼ 16.6%
—
—
▼ 57.9%
6-month growth
-30.6%
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—
-93.7%
Global rank web
#39,510
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#1,700,092
Avg. last 3 months
1.1M
—
—
13.9K
Bounce rate lower is better
41%
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39%
Pages / visit
4.4
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1.8
Visit duration
6m 40s
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—
14s
Traffic sources
● Direct 84% · ● Referral 15%
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DifyPipecatOpenAI Codex CLIStack AI
0368.2K736.4K1.1M1.5MDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MStack 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 · 1MStack 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
Paid
Freemium
Starting price
$590per month · free tier available
Free
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Free tier
Free tier
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Free trial
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API access
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Plans
Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Open source Free
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Capabilities input → output
Input
DocumentsText
AudioTextVideo
CodeImagesText
DataDocumentsText
Output
Apps
AudioText
Code
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
9
2
5
Agents
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Agent creation
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Developer tools
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No-code
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Workflows
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Coding
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Voice agents
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Chatbots
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LLM development
–
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Voice
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Voice assistance
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Agent collaboration
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Agent testing
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Call agents
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Development
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Finance workflow automation
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Productivity
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 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.