Stack AI vs Langflow vs Rivet 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
Stack AI
Competitor 1
Langflow
Langflow
Competitor 2
Rivet
Rivet
Competitor 3
OpenAI Codex CLI
OpenAI Codex CLICompare
4 tools · best value per row highlighted
Competitor
Rivet
Rivet
rivet.ironcladapp.com
Rivet is an open-source visual programming environment for building AI agents with large language models.
Competitor
OpenAI Codex CLI
OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
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 AILangflowRivetOpenAI Codex CLI
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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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
Text
CodeImagesText
Output
Apps
Apps
Apps
Code
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
5
9
5
2
Agents
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No-code
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Agent creation
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Developer tools
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Workflows
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LLM development
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Coding
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Chatbots
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Development
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APIs
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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
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.