OpenAI Codex CLI vs Gemini CLI vs GitHub Copilot CLI vs Gemini Code Assist

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 CLI
Competitor 3
Gemini Code Assist
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.
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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 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.
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Competitor Gemini Code Assist
codeassist.google
It provides a chat interface that is aware of the code in the open files, automatic completions as you type, and generation or transformation of whole functions and files on demand.
Make main Remove
Traffic estimated monthly website traffic
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Paid
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$19per month · free tier available
Free tier
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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
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Individuals FreeStandard $19/moEnterprise $45/mo
Capabilities input → output
Input
CodeImagesText
CodeDocumentsImagesText
CodeText
CodeText
Output
Code
Code
Code
Code
Skill level
Advanced
Advanced
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
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4
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Coding
Developer tools
Agents
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Code reviews
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Code analysis
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Development
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GitHub management
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Community on aitoolstime
Rating
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Prompts
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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.