OpenAI Codex CLI vs Gemini CLI vs GitHub Copilot vs OpenAI API

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
Gemini CLI
Competitor 2
GitHub Copilot
Competitor 3
OpenAI API
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 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 GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
637.9Mvisits/mo
15.2Mvisits/mo
MoM change
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—
▲ 3.7%
▲ 4.6%
6-month growth
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+19.3%
-2.4%
Global rank web
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#49
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Avg. last 3 months
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629.7M
15.2M
Bounce rate lower is better
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36%
34%
Pages / visit
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—
5.9
5.4
Visit duration
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6m 26s
3m 56s
Traffic sources
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● Direct 83% · ● Referral 15%
● Direct 82% · ● Referral 15%
OpenAI Codex CLIGemini CLIGitHub CopilotOpenAI API
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 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 · 15.2M10M100M1BGitHub 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 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 · 15.2MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Free
Freemium
Paid
Starting price
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Free
$4per 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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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free (personal Google account) Free
Free FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
TextImagesCode
DocumentsImagesTextCode
TextCode
AudioDocumentsImagesText
Output
Code
Code
Code
AudioCodeImagesTextVideo
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
6
9
6
Coding
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Agents
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Developer tools
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Debugging
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Terminal
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APIs
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Code autocompletion
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Code reviews
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Coding in VS Code
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LLM development
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Large language models
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Vs code
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API integrations
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Agent management
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Chatbot building
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Code analysis
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Development
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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
0
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.