OpenAI Codex CLI vs OpenCode vs Greptile vs GitHub Copilot CLI

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
OpenCode
Competitor 2
Greptile
Competitor 3
GitHub Copilot CLI
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 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.
Make main Remove
Competitor Greptile
greptile.com
Greptile is an AI code reviewer that builds a graph of your repository, covering files, functions and dependencies, and then sends a swarm of agents to review each pull request.
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
Traffic estimated monthly website traffic
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Bounce rate lower is better
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Pricing
Model
Paid
Free
Freemium
Free
Starting price
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Free
$30per month · free tier available
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
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Starter FreePro $30/moEnterprise Custom
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Capabilities input → output
Input
CodeImagesText
CodeText
Code
CodeText
Output
Code
Code
Text
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Code Review
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
3
6
4
Coding
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Developer tools
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Code reviews
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Agents
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Code analysis
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Code quality
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Code security analysis
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Code testing
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Code validation
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Development
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GitHub management
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Community on aitoolstime
Rating
no ratings yet
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Upvotes
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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.