CodeRabbit vs Functionize vs Devin vs OpenAI Codex

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

Your tool
CodeRabbit
vs
Competitor 1
Functionize
Competitor 2
Devin
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool CodeRabbit
coderabbit.ai
Automated code review that matters
Competitor Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Competitor Devin
cognition-labs.com
AI that codes independently
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Traffic estimated monthly website traffic
Monthly visits
1Mvisits/mo
—
923visits/mo
204.3Mvisits/mo
MoM change
▼ 22.7%
—
▼ 32.7%
▲ 3.6%
6-month growth
+50.4%
—
—
+0.3%
Global rank web
#38,145
—
#13,704,365
#212
Avg. last 3 months
1.2M
—
764
197.3M
Bounce rate lower is better
49%
—
39%
58%
Pages / visit
3.5
—
1.1
3.0
Visit duration
1m 55s
—
—
2m 31s
Traffic sources
● Direct 73% · ● Referral 24%
—
—
● Direct 81% · ● Referral 17%
CodeRabbitFunctionizeDevinOpenAI Codex
066.6M133.2M199.7M266.3MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MDevin · 1.4KDevin · 923OpenAI 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 · 204.3M1001K10K100K1M10M100M1BCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MDevin · 1.4KDevin · 923OpenAI 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 · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Freemium
Starting price
$24per month
$20per month · free tier available
—
$20per month · free tier available
Free tier
–
–
Free trial
–
–
API access
–
–
–
–
Plans
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
Free FreeGrowth $20/moScale $100/moEnterprise Custom
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—
Capabilities input → output
Input
Code
TextWeb pages
CodeText
CodeText
Output
CodeText
Data
Code
Code
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
7
9
9
Agents
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Code reviews
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Development
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Coding
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–
GitHub pull requests
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Code testing
–
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Code documentation
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GitHub automation
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Debugging
–
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Test automation
–
–
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Testing
–
–
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Code analysis
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–
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Code quality
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–
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Code security analysis
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–
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Test creation
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–
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Test generation
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–
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GitHub management
–
–
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Software engineering guidance
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–
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Terminal
–
–
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Test cases
–
–
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Website testing
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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
▲ 0
▲ 0
▲ 0
▲ 1
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.