OpenAI Codex vs CodeRabbit vs Devin Review vs Gemini CLI

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
Gemini CLI
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
Make main Remove
Competitor Devin Review
app.devin.ai
Devin Review is the fastest way to truly understand code—especially when it changes
Make main Remove
Competitor Gemini CLI
github.com
It can query and edit large codebases, generate new apps from PDFs, images, or sketches using multimodal input, and debug problems when you describe them in plain language.
Make main Remove
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 ReviewGemini CLI
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
Free
Starting price
$20per month · free tier available
$24per month
$500per month · free tier available
Free
Free tier
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Free trial
–
–
–
API access
–
–
–
–
Plans
—
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
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Free (personal Google account) Free
Capabilities input → output
Input
CodeText
Code
CodeWeb pages
CodeDocumentsImagesText
Output
Code
CodeText
Text
Code
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeAI Code Review
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
8
5
1
Code reviews
–
GitHub pull requests
–
–
Coding
–
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Code analysis
–
–
Code documentation
–
–
–
Code quality
–
–
–
Code security analysis
–
–
–
Code testing
–
–
–
GitHub
–
–
–
Debugging
–
–
–
Development
–
–
–
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
–
–
–
–

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.