OpenAI Codex CLI vs GitHub Copilot vs Gemini CLI vs Aider

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
GitHub Copilot
Competitor 2
Gemini CLI
Competitor 3
Aider
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor Gemini CLI
github.com
It can query and edit large codebases, generate new apps from PDFs, images, or sketches using multimodal input, and debug problems when you describe them in plain language.
Make main Remove
Competitor Aider
aider.chat
AI pair programming in your terminal
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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637.9Mvisits/mo
—
317.9Kvisits/mo
MoM change
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▲ 3.7%
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▼ 15.9%
6-month growth
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+19.3%
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-12.7%
Global rank web
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#49
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#140,509
Avg. last 3 months
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629.7M
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378.5K
Bounce rate lower is better
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36%
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48%
Pages / visit
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5.9
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2.0
Visit duration
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6m 26s
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55s
Traffic sources
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● Direct 83% · ● Referral 15%
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● Direct 83% · ● Referral 16%
OpenAI Codex CLIGitHub CopilotGemini CLIAider
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 · 637.9MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Free
Free
Starting price
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$4per month · free tier available
Free
Free
Free tier
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Free trial
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API access
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreeTeam $4/moEnterprise $21/mo
Free (personal Google account) Free
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Capabilities input → output
Input
TextImagesCode
CodeText
CodeTextImagesDocuments
Web pagesTextImagesCodeAudio
Output
Code
Code
Code
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
4
4
8
Coding
Developer tools
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Development
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Agents
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Code reviews
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Code testing
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Git commands
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Terminal
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Agent management
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Code analysis
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Debugging
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Refactoring
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Terminal commands management
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
0
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Prompts
0
2
0
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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.