CodeRabbit vs OpenAI Codex vs Korbit AI vs What The Diff

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

Your tool
CodeRabbit
vs
Competitor 1
OpenAI Codex
Competitor 2
Korbit AI
Competitor 3
What The Diff
Compare
4 tools · best value per row highlighted
Your tool CodeRabbit
coderabbit.ai
Automated code review that matters
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Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor Korbit AI
korbit.ai
Korbit is an AI code reviewer that works directly inside pull requests on GitHub, GitLab and Bitbucket.
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Competitor What The Diff
whatthediff.ai
Understand PRs at a glance
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Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
204.3Mvisits/mo
—
2.8Kvisits/mo
MoM change
▼ 22.7%
▲ 3.6%
—
▲ 26.4%
6-month growth
+50.4%
+0.3%
—
+70.6%
Global rank web
#38,145
#212
—
#8,346,680
Avg. last 3 months
1.2M
197.3M
—
2.1K
Bounce rate lower is better
49%
58%
—
35%
Pages / visit
3.5
3.0
—
1.5
Visit duration
1m 55s
2m 31s
—
15s
Traffic sources
● Direct 73% · ● Referral 24%
● Direct 81% · ● Referral 17%
—
—
CodeRabbitOpenAI CodexKorbit AIWhat The Diff
066.6M133.2M199.7M266.3MCodeRabbit · 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 · 204.3MWhat The Diff · 1.7KWhat The Diff · 1.2KWhat The Diff · 2.6KWhat The Diff · 1.7KWhat The Diff · 1.6KWhat The Diff · 2KWhat The Diff · 893What The Diff · 1.2KWhat The Diff · 2.2KWhat The Diff · 2.8K1001K10K100K1M10M100M1BCodeRabbit · 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 · 204.3MWhat The Diff · 1.7KWhat The Diff · 1.2KWhat The Diff · 2.6KWhat The Diff · 1.7KWhat The Diff · 1.6KWhat The Diff · 2KWhat The Diff · 893What The Diff · 1.2KWhat The Diff · 2.2KWhat The Diff · 2.8KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free Trial
Freemium
Starting price
$24per month
$20per month · free tier available
$12per month
$19per month · free tier available
Free tier
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Free trial
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API access
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–
–
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Plans
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
—
Korbit Pro $12/moKorbit Max $18/moEnterprise Custom
Free FreePro – 200k $19/mo
Capabilities input → output
Input
Code
CodeText
Code
Code
Output
CodeText
Code
Text
CodeText
Skill level
Intermediate
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Code Review
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeAI Code ReviewAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
8
9
6
6
Code reviews
GitHub pull requests
Code analysis
–
–
Code documentation
–
–
Code quality
–
–
GitHub automation
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Development
–
–
Agents
–
–
–
Changelogs
–
–
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Code explanations
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–
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Coding
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–
–
Code security analysis
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–
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Code summaries
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–
–
Code testing
–
–
–
Debugging
–
–
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Developer tools
–
–
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Release notes
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–
–
Terminal
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 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.