OpenAI Codex vs CodeRabbit vs Runcell vs GitHub Copilot

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

Your tool
OpenAI Codex
vs
Competitor 1
CodeRabbit
Competitor 2
Runcell
Competitor 3
GitHub Copilot
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Remove
Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
Make main Remove
Competitor Runcell
runcell.dev
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
1Mvisits/mo
176.9Kvisits/mo
637.9Mvisits/mo
MoM change
▲ 3.6%
▼ 22.7%
▲ 4.1%
▲ 3.7%
6-month growth
+0.3%
+50.4%
+13.2%
+19.3%
Global rank web
#212
#38,145
#279,476
#49
Avg. last 3 months
197.3M
1.2M
168.7K
629.7M
Bounce rate lower is better
58%
49%
45%
36%
Pages / visit
3.0
3.5
1.8
5.9
Visit duration
2m 31s
1m 55s
45s
6m 26s
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 73% · ● Referral 24%
● Direct 73% · ● Referral 27%
● Direct 83% · ● Referral 15%
OpenAI CodexCodeRabbitRuncellGitHub Copilot
0159.5M318.9M478.4M637.9MOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MRuncell · 52KRuncell · 99.5KRuncell · 144.1KRuncell · 154KRuncell · 156.3KRuncell · 140.4KRuncell · 170.3KRuncell · 159.2KRuncell · 170KRuncell · 176.9KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M10K100K1M10M100M1BOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MRuncell · 52KRuncell · 99.5KRuncell · 144.1KRuncell · 154KRuncell · 156.3KRuncell · 140.4KRuncell · 170.3KRuncell · 159.2KRuncell · 170KRuncell · 176.9KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$24per month
$20per month · free tier available
$4per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
–
Plans
—
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
Hobby FreePro $20/moPro+ $60/moUltra $200/mo+1 more
Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
CodeText
Code
DataText
CodeText
Output
Code
CodeText
CodeData
Code
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeResearch & AnalyticsAI Coding AssistantAI For Data Analytics
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
8
6
4
Coding
–
Code reviews
–
Code documentation
–
–
Development
–
–
Data analysis
–
–
–
GitHub pull requests
–
–
–
Jupyter notebooks
–
–
–
Agents
–
–
–
Code analysis
–
–
–
Code explanations
–
–
–
Code quality
–
–
–
Code security analysis
–
–
–
Code testing
–
–
–
Python code debugging
–
–
–
Agent management
–
–
–
Data science
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
2
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.