OpenAI API vs OpenAI Codex vs GitHub Copilot vs CodeRabbit

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

Your tool
OpenAI API
vs
Competitor 1
OpenAI Codex
Competitor 2
GitHub Copilot
Competitor 3
CodeRabbit
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
204.3Mvisits/mo
637.9Mvisits/mo
1Mvisits/mo
MoM change
▲ 4.6%
▲ 3.6%
▲ 3.7%
▼ 22.7%
6-month growth
-2.4%
+0.3%
+19.3%
+50.4%
Global rank web
—
#212
#49
#38,145
Avg. last 3 months
15.2M
197.3M
629.7M
1.2M
Bounce rate lower is better
34%
58%
36%
49%
Pages / visit
5.4
3.0
5.9
3.5
Visit duration
3m 56s
2m 31s
6m 26s
1m 55s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 81% · ● Referral 17%
● Direct 83% · ● Referral 15%
● Direct 73% · ● Referral 24%
OpenAI APIOpenAI CodexGitHub CopilotCodeRabbit
0159.5M318.9M478.4M637.9MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MOpenAI 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 · 204.3MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1M100K1M10M100M1BOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MOpenAI 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 · 204.3MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
—
$20per month · free tier available
$4per month · free tier available
$24per month
Free tier
–
–
Free trial
–
API access
–
–
–
–
Plans
—
—
Free FreeTeam $4/moEnterprise $21/mo
Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
Capabilities input → output
Input
AudioDocumentsImagesText
TextCode
CodeText
Code
Output
AudioCodeImagesTextVideo
Code
Code
CodeText
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code Review
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
4
4
8
Code reviews
–
Coding
–
–
Code documentation
–
–
Development
–
–
APIs
–
–
–
GitHub pull requests
–
–
–
Agents
–
–
–
Code analysis
–
–
–
Code quality
–
–
–
Code security analysis
–
–
–
Code testing
–
–
–
LLM development
–
–
–
Large language models
–
–
–
API integrations
–
–
–
Agent management
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
2
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.