OpenAI Codex CLI vs Pi vs GitHub Copilot CLI vs Microsoft Copilot

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
Pi
Competitor 2
GitHub Copilot CLI
Competitor 3
Microsoft Copilot
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 Pi
pi.ai
An AI that's genuinely pleasant to talk with
Make main Remove
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Make main Remove
Competitor Microsoft Copilot
copilot.microsoft.com
AI across Microsoft
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
473.9Kvisits/mo
—
81.9Mvisits/mo
MoM change
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▼ 9.4%
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▼ 31.3%
6-month growth
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-16.4%
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-16.6%
Global rank web
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#87,743
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#609
Avg. last 3 months
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512.8K
—
110.9M
Bounce rate lower is better
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33%
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36%
Pages / visit
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3.7
—
3.6
Visit duration
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1m 37s
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5m 32s
Traffic sources
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● Direct 87% · ● Referral 9%
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● Direct 87% · ● Referral 11%
OpenAI Codex CLIPiGitHub Copilot CLIMicrosoft Copilot
032.9M65.8M98.7M131.6MPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9KMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9M100K1M10M100M1BPi · 609.8KPi · 591.6KPi · 610.8KPi · 583.3KPi · 566.6KPi · 557.8KPi · 576.6KPi · 541.3KPi · 523.3KPi · 473.9KMicrosoft Copilot · 105.6MMicrosoft Copilot · 97.9MMicrosoft Copilot · 101.2MMicrosoft Copilot · 98.2MMicrosoft Copilot · 123.8MMicrosoft Copilot · 130MMicrosoft Copilot · 131.6MMicrosoft Copilot · 119.2MMicrosoft Copilot · 81.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Free
Freemium
Starting price
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Free
Free
Free tier
Free tier
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Free trial
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–
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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
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Capabilities input → output
Input
TextImagesCode
TextAudio
CodeText
TextImagesDocumentsCodeAudio
Output
Code
AudioText
Code
CodeTextImagesAudio
Skill level
Advanced
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Development & CodeAI Coding Assistant
Chatbots & CompanionsEducation & LearningHealthcare & WellnessAI Chatbot+2 more
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Generation+16 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
7
5
11
Coding
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Chatbots
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Agents
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Developer tools
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Chatting
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Companions
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GitHub pull requests
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Homework assistance
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Image generation
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Mental health
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Productivity
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Research
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Search engine
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Summarizing
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Translations
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Voice assistance
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Wellness
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Writing
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Coaching
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GitHub management
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Terminal
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Therapeutic chatbot
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 2
Saves
0
1
0
0
Reviews
0
0
0
0
Prompts
0
0
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.