Rivet vs InitRunner vs Langflow vs Stack AI

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

Your tool
Rivet
vs
Competitor 1
IInitRunner
Competitor 2
Langflow
Competitor 3
Stack AI
Compare
4 tools · best value per row highlighted
Your tool Rivet
rivet.ironcladapp.com
Rivet is an open-source visual programming environment for building AI agents with large language models.
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Competitor IInitRunner
initrunner.ai
InitRunner is open source and free
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
215.3Kvisits/mo
6.3Kvisits/mo
MoM change
—
—
▼ 0.7%
▼ 57.9%
6-month growth
—
—
-4.9%
-93.7%
Global rank web
—
—
#217,191
#1,700,092
Avg. last 3 months
—
—
225.2K
13.9K
Bounce rate lower is better
—
0%
44%
39%
Pages / visit
—
—
2.2
1.8
Visit duration
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—
1m 04s
14s
Traffic sources
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—
● Direct 76% · ● Referral 24%
—
RivetInitRunnerLangflowStack AI
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KStack 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 · 6.3K1K10K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KStack 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 · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Free
Free
Freemium
Starting price
Free
Free
Free
Free tier
Free tier
Free trial
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–
API access
Plans
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Capabilities input → output
Input
Text
DocumentsText
Text
DataDocumentsText
Output
Apps
AppsText
Apps
Apps
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
3
9
5
Agents
Agent creation
No-code
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Workflows
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Developer tools
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LLM development
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Chatbots
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–
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Development
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APIs
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Agent memory
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–
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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.