GitHub Copilot vs OpenAI Codex vs Greptile vs Devin

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

Your tool
GitHub Copilot
vs
Competitor 1
OpenAI Codex
Competitor 2
Greptile
Competitor 3
Devin
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
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
Competitor Devin
cognition-labs.com
AI that codes independently
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
204.3Mvisits/mo
—
923visits/mo
MoM change
▲ 3.7%
▲ 3.6%
—
▼ 32.7%
6-month growth
+19.3%
+0.3%
—
—
Global rank web
#49
#212
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#13,704,365
Avg. last 3 months
629.7M
197.3M
—
764
Bounce rate lower is better
36%
58%
—
39%
Pages / visit
5.9
3.0
—
1.1
Visit duration
6m 26s
2m 31s
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—
Traffic sources
● Direct 83% · ● Referral 15%
● Direct 81% · ● Referral 17%
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—
GitHub CopilotOpenAI CodexGreptileDevin
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MOpenAI 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 · 204.3MDevin · 1.4KDevin · 9231001K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MOpenAI 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 · 204.3MDevin · 1.4KDevin · 923Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Paid
Starting price
$4per month · free tier available
$20per month · free tier available
$30per month · free tier available
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Free tier
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Free trial
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API access
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–
–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
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Starter FreePro $30/moEnterprise Custom
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Capabilities input → output
Input
CodeText
CodeText
Code
CodeText
Output
Code
Code
Text
Code
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Code Review
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
4
6
5
Code reviews
Coding
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Agents
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Development
–
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Code 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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Agent management
–
–
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Code documentation
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–
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Code security analysis
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–
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Code validation
–
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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
2
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.