GitHub Copilot vs a0.dev vs Claude Code vs OpenAI Codex

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

Your tool
GitHub Copilot
vs
Competitor 1
a0.dev
Competitor 2
Claude Code
Competitor 3
OpenAI Codex
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 a0.dev
a0.dev
a0.dev is an AI mobile app builder that turns a chat conversation into a working iOS and Android app.
Make main Remove
Competitor Claude Code
claude.com
Every plan tier hits usage limits
Make main Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
—
123.5Mvisits/mo
204.3Mvisits/mo
MoM change
▲ 3.7%
—
▼ 6.8%
▲ 3.6%
6-month growth
+19.3%
—
+106.6%
+0.3%
Global rank web
#49
—
#434
#212
Avg. last 3 months
629.7M
—
125.2M
197.3M
Bounce rate lower is better
36%
—
64%
58%
Pages / visit
5.9
—
2.2
3.0
Visit duration
6m 26s
—
2m 36s
2m 31s
Traffic sources
● Direct 83% · ● Referral 15%
—
● Direct 82% · ● Referral 15%
● Direct 81% · ● Referral 17%
GitHub Copilota0.devClaude CodeOpenAI Codex
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 · 637.9MClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MOpenAI 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 · 204.3M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MOpenAI 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
Paid
Freemium
Freemium
Starting price
$4per month · free tier available
$20per month
$17per month · free tier available
$20per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
Pro $20/moMax $200/mo
Free FreePro $17/moMax 5x $100/moMax 20x Custom/mo+2 more
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Capabilities input → output
Input
CodeText
Text
CodeText
CodeText
Output
Code
AppsCode
Code
Code
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI App BuilderAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
5
9
9
Coding
Agents
–
Code reviews
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Terminal
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Debugging
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Development
–
–
Code autocompletion
–
–
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Mobile app
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–
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Mobile development
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–
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No-code
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–
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Code analysis
–
–
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Code explanations
–
–
–
Coding in VS Code
–
–
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GitHub automation
–
–
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GitHub pull requests
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–
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Vs code
–
–
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Agent management
–
–
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Android development assistance
–
–
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Code documentation
–
–
–
Refactoring
–
–
–
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
2
0
2
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.