Stack AI vs Langflow vs Pipecat vs OpenAI Codex CLI

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

Your tool
Stack AI
vs
Competitor 1
Langflow
Competitor 2
Pipecat
Competitor 3
OpenAI Codex CLI
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor Langflow
langflow.org
Drag and drop AI
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Competitor Pipecat
pipecat.ai
Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
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Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
215.3Kvisits/mo
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MoM change
▼ 57.9%
▼ 0.7%
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6-month growth
-93.7%
-4.9%
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Global rank web
#1,700,092
#217,191
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Avg. last 3 months
13.9K
225.2K
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Bounce rate lower is better
39%
44%
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Pages / visit
1.8
2.2
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Visit duration
14s
1m 04s
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Traffic sources
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● Direct 76% · ● Referral 24%
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Stack AILangflowPipecatOpenAI Codex CLI
073.8K147.7K221.5K295.3KStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K1K10K100K1MStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Free
Paid
Starting price
Free tier
Free
Free
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Free tier
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Free trial
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API access
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Plans
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Open source Free
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
DataDocumentsText
Text
AudioTextVideo
CodeImagesText
Output
Apps
Apps
AudioText
Code
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeVoice & SpeechAI Agent+2 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
9
9
2
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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Development
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LLM development
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Voice
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Voice assistance
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APIs
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Agent collaboration
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Agent testing
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Call agents
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Finance workflow automation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
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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.