OpenAI Codex CLI vs Rivet vs OpenCode vs Langflow

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
Rivet
Competitor 2
OpenCode
Competitor 3
Langflow
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Remove
Competitor Rivet
rivet.ironcladapp.com
Rivet is an open-source visual programming environment for building AI agents with large language models.
Make main Remove
Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
—
215.3Kvisits/mo
MoM change
—
—
—
▼ 0.7%
6-month growth
—
—
—
-4.9%
Global rank web
—
—
—
#217,191
Avg. last 3 months
—
—
—
225.2K
Bounce rate lower is better
—
—
—
44%
Pages / visit
—
—
—
2.2
Visit duration
—
—
—
1m 04s
Traffic sources
—
—
—
● Direct 76% · ● Referral 24%
OpenAI Codex CLIRivetOpenCodeLangflow
073.8K147.7K221.5K295.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K100K1MLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Free
Free
Free
Starting price
—
Free
Free
Free
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
CodeImagesText
Text
CodeText
Text
Output
Code
Apps
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+1 more
Development & CodeAI Coding Assistant
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
5
3
9
Developer tools
Coding
–
–
Agent creation
–
–
Agents
–
–
No-code
–
–
LLM development
–
–
Development
–
–
Chatbots
–
–
–
Workflows
–
–
–
APIs
–
–
–
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.