OpenAI Codex vs CodeRabbit vs Gemini CLI 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
Gemini CLI
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
Remove
Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
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
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.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
204.3Mvisits/mo
1Mvisits/mo
—
—
MoM change
▲ 3.6%
▼ 22.7%
—
—
6-month growth
+0.3%
+50.4%
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—
Global rank web
#212
#38,145
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—
Avg. last 3 months
197.3M
1.2M
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—
Bounce rate lower is better
58%
49%
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—
Pages / visit
3.0
3.5
—
—
Visit duration
2m 31s
1m 55s
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—
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 73% · ● Referral 24%
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—
OpenAI CodexCodeRabbitGemini CLIGreptile
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 · 1M100K1M10M100M1BOpenAI 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 · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
$20per month · free tier available
$24per month
Free
$30per month · free tier available
Free tier
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Free trial
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API access
–
–
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Plans
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Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
Free (personal Google account) Free
Starter FreePro $30/moEnterprise Custom
Capabilities input → output
Input
CodeText
Code
CodeDocumentsImagesText
Code
Output
Code
CodeText
Code
Text
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeAI Coding Assistant
Development & CodeAI Code Review
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
8
6
9
Code reviews
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GitHub pull requests
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Agents
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Code analysis
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Development
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Coding
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Code quality
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Code documentation
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Code security analysis
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Code testing
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Debugging
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Developer tools
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GitHub automation
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Code validation
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–
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Terminal
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–
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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.