OpenAI Codex CLI vs GitHub Copilot CLI vs Runcell vs Kimi Code
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
OpenAI Codex CLI
vs
OpenAI Codex CLI
Competitor 1
GitHub Copilot CLI
GitHub Copilot CLI
Competitor 2
Runcell
Runcell
Competitor 3
Kimi Code
Kimi CodeCompare
4 tools · best value per row highlighted
Your tool
OpenAI Codex CLI
OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Competitor
GitHub Copilot CLI
GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Competitor
Kimi Code
Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Traffic estimated monthly website traffic
Monthly visits
—
—
176.9Kvisits/mo
60.1Mvisits/mo
MoM change
—
—
▲ 4.1%
▲ 52.2%
6-month growth
—
—
+13.2%
+33.8%
Global rank web
—
—
#279,476
#852
Avg. last 3 months
—
—
168.7K
48.3M
Bounce rate lower is better
—
—
45%
37%
Pages / visit
—
—
1.8
3.9
Visit duration
—
—
45s
7m 13s
Traffic sources
—
—
● Direct 73% · ● Referral 27%
● Direct 89% · ● Referral 10%
OpenAI Codex CLIGitHub Copilot CLIRuncellKimi Code
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
—
Free
$20per month · free tier available
$15per month · free tier available
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
—
Hobby FreePro $20/moPro+ $60/moUltra $200/mo+1 more
Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Capabilities input → output
Input
CodeImagesText
CodeText
DataText
CodeText
Output
Code
Code
CodeData
Code
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
2
4
6
6
Coding
Developer tools
–
Data analysis
–
–
–
Jupyter notebooks
–
–
–
Agents
–
–
–
Code explanations
–
–
–
Debugging
–
–
–
Python code debugging
–
–
–
Refactoring
–
–
–
Data science
–
–
–
Developer assistance
–
–
–
GitHub management
–
–
–
Shell commands
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
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.