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

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

Your tool
GitHub Copilot CLI
vs
Competitor 1
Gemini Code Assist
Competitor 2
OpenCode
Competitor 3
OpenAI Codex CLI
Compare
4 tools · best value per row highlighted
Your tool 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.
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Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
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Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Traffic estimated monthly website traffic
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Pricing
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Free
Freemium
Free
Paid
Starting price
Free
$19per month · free tier available
Free
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Free trial
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Plans
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Individuals FreeStandard $19/moEnterprise $45/mo
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Capabilities input → output
Input
CodeText
CodeText
CodeText
CodeImagesText
Output
Code
Code
Code
Code
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
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2
Coding
Developer tools
Agents
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Code reviews
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Development
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GitHub management
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Community on aitoolstime
Rating
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Saves
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Reviews
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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.