CodeRabbit vs CodiumAI vs Kilo Code Reviewer 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
CodiumAI
Competitor 2
Kilo Code Reviewer
Competitor 3
What The Diff
Compare
4 tools · best value per row highlighted
Your tool CodeRabbit
coderabbit.ai
Automated code review that matters
Remove
Competitor CodiumAI
codium.ai
AI that writes tests so you don't have to avoid them
Make main Remove
Competitor Kilo Code Reviewer
kilo.ai
Make main Remove
Competitor What The Diff
whatthediff.ai
Understand PRs at a glance
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
338visits/mo
1Mvisits/mo
2.8Kvisits/mo
MoM change
▼ 22.7%
▼ 98.5%
▼ 17.7%
▲ 26.4%
6-month growth
+50.4%
-99.7%
-45.8%
+70.6%
Global rank web
#38,145
#1,301,288
#41,702
#8,346,680
Avg. last 3 months
1.2M
35.3K
1.3M
2.1K
Bounce rate lower is better
49%
38%
41%
35%
Pages / visit
3.5
1.6
3.3
1.5
Visit duration
1m 55s
12s
2m 00s
15s
Traffic sources
● Direct 73% · ● Referral 24%
● Direct 73% · ● Referral 27%
● Direct 85% · ● Referral 13%
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CodeRabbitCodiumAIKilo Code ReviewerWhat The Diff
0478.7K957.5K1.4M1.9MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MCodiumAI · 54.2KCodiumAI · 96.4KCodiumAI · 113.7KCodiumAI · 89.8KCodiumAI · 107.1KCodiumAI · 97.4KCodiumAI · 160.1KCodiumAI · 83KCodiumAI · 22.7KCodiumAI · 338Kilo Code Reviewer · 144.8KKilo Code Reviewer · 830KKilo Code Reviewer · 1.1MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.4MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.3MKilo Code Reviewer · 1MWhat 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 · 2.8K1001K10K100K1M10MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MCodiumAI · 54.2KCodiumAI · 96.4KCodiumAI · 113.7KCodiumAI · 89.8KCodiumAI · 107.1KCodiumAI · 97.4KCodiumAI · 160.1KCodiumAI · 83KCodiumAI · 22.7KCodiumAI · 338Kilo Code Reviewer · 144.8KKilo Code Reviewer · 830KKilo Code Reviewer · 1.1MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.4MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.3MKilo Code Reviewer · 1MWhat 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
Freemium
Freemium
Starting price
$24per month
$19per month · free tier available
$15per month · free tier available
$19per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
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Plans
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
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Free & Open Source FreeTeams $15/moKilo Pass $19/moEnterprise Custom
Free FreePro – 200k $19/mo
Capabilities input → output
Input
Code
Code
Code
Code
Output
CodeText
CodeText
Text
CodeText
Skill level
Intermediate
Intermediate
Intermediate
Intermediate
Categories
Development & CodeAI Code Review
Development & CodeAI Code ReviewAI Coding AssistantAI Testing
Development & CodeAI Code Review
Development & CodeAI Code ReviewAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
8
13
5
6
Code reviews
GitHub pull requests
Code quality
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Code analysis
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Code security analysis
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Changelogs
–
–
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Code explanations
–
–
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Code documentation
–
–
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Code summaries
–
–
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Code testing
–
–
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Repo analysis
–
–
–
Test creation
–
–
–
Code security
–
–
–
Code validation
–
–
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Codebase q a
–
–
–
Coding
–
–
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Development
–
–
–
GitHub automation
–
–
–
Test cases
–
–
–
Testing
–
–
–
Unit tests
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 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.