Langflow vs Rivet 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
Langflow
vs
Langflow
Competitor 1
Rivet
Rivet
Competitor 2
OpenAI Codex CLI
OpenAI Codex CLI
Competitor 3
Stack AI
Stack AICompare
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
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
44%
—
—
39%
Pages / visit
2.2
—
—
1.8
Visit duration
1m 04s
—
—
14s
Traffic sources
● Direct 76% · ● Referral 24%
—
—
—
LangflowRivetOpenAI Codex CLIStack AI
Pricing
Model
Free
Free
Paid
Freemium
Starting price
Free
Free
—
Free tier
Free tier
–
Free trial
–
–
–
API access
–
Plans
—
—
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
—
Capabilities input → output
Input
Text
Text
CodeImagesText
DataDocumentsText
Output
Apps
Apps
Code
Apps
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
9
5
2
5
Agents
–
No-code
–
Agent creation
–
Developer tools
–
Workflows
–
–
LLM development
–
–
Coding
–
–
–
Chatbots
–
–
–
Development
–
–
–
APIs
–
–
–
Finance workflow automation
–
–
–
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
–
–
–
–
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.