OpenAI Codex vs CodeRabbit vs Devin Review vs Greptile

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
Devin Review
Competitor 3
Greptile
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
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Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
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Competitor Devin Review
app.devin.ai
Devin Review is the fastest way to truly understand code—especially when it changes
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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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Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
1Mvisits/mo
1.6Mvisits/mo
—
MoM change
▲ 3.6%
▼ 22.7%
▼ 7.9%
—
6-month growth
+0.3%
+50.4%
+275.1%
—
Global rank web
#212
#38,145
—
—
Avg. last 3 months
197.3M
1.2M
1.5M
—
Bounce rate lower is better
58%
49%
20%
—
Pages / visit
3.0
3.5
10.0
—
Visit duration
2m 31s
1m 55s
7m 17s
—
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 73% · ● Referral 24%
● Direct 60% · ● Referral 39%
—
OpenAI CodexCodeRabbitDevin ReviewGreptile
066.6M133.2M199.7M266.3MOpenAI 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 · 1MDevin Review · 279.5KDevin Review · 296KDevin Review · 398KDevin Review · 425.8KDevin Review · 534.2KDevin Review · 794.3KDevin Review · 1.2MDevin Review · 1.7MDevin Review · 1.6M100K1M10M100M1BOpenAI 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 · 1MDevin Review · 279.5KDevin Review · 296KDevin Review · 398KDevin Review · 425.8KDevin Review · 534.2KDevin Review · 794.3KDevin Review · 1.2MDevin Review · 1.7MDevin Review · 1.6MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$24per month
$500per month · free tier available
$30per month · free tier available
Free tier
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Free trial
–
–
API access
–
–
–
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Plans
—
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
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Starter FreePro $30/moEnterprise Custom
Capabilities input → output
Input
CodeText
Code
CodeWeb pages
Code
Output
Code
CodeText
Text
Text
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeAI Code Review
Development & CodeAI Code Review
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
8
5
1
Code reviews
GitHub pull requests
–
–
Code analysis
–
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Coding
–
–
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Code documentation
–
–
–
Code quality
–
–
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Code security analysis
–
–
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Code testing
–
–
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GitHub
–
–
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Debugging
–
–
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Development
–
–
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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
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.