GitHub Copilot vs CodeRabbit vs Greptile vs OpenAI Codex

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

Your tool
GitHub Copilot
vs
Competitor 1
CodeRabbit
Competitor 2
Greptile
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
Make main Remove
Competitor Greptile
greptile.com
Greptile is an AI code reviewer that builds a graph of your repository, covering files, functions and dependencies, and then sends a swarm of agents to review each pull request.
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Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
1Mvisits/mo
—
204.3Mvisits/mo
MoM change
▲ 3.7%
▼ 22.7%
—
▲ 3.6%
6-month growth
+19.3%
+50.4%
—
+0.3%
Global rank web
#49
#38,145
—
#212
Avg. last 3 months
629.7M
1.2M
—
197.3M
Bounce rate lower is better
36%
49%
—
58%
Pages / visit
5.9
3.5
—
3.0
Visit duration
6m 26s
1m 55s
—
2m 31s
Traffic sources
● Direct 83% · ● Referral 15%
● Direct 73% · ● Referral 24%
—
● Direct 81% · ● Referral 17%
GitHub CopilotCodeRabbitGreptileOpenAI Codex
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MOpenAI 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 · 204.3M100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MOpenAI 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 · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$4per month · free tier available
$24per month
$30per month · free tier available
$20per month · free tier available
Free tier
–
Free trial
–
API access
–
–
–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
Starter FreePro $30/moEnterprise Custom
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Capabilities input → output
Input
CodeText
Code
Code
CodeText
Output
Code
CodeText
Text
Code
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code Review
Development & CodeAI Code Review
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
8
1
2
Code reviews
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Coding
–
–
GitHub pull requests
–
–
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Agents
–
–
–
Code analysis
–
–
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Code documentation
–
–
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Code quality
–
–
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Code security analysis
–
–
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Code testing
–
–
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Development
–
–
–
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
2
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.