OpenAI Codex CLI vs Kiro 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
Kiro
Competitor 2
GitHub Copilot CLI
Competitor 3
Suggested competitors for OpenAI Codex CLI: Gemini CLI100% Qwen Code98% OpenCode97% Visual Studio Code95% JetBrains AI Assistant95% Kimi Code94% Google Antigravity93% Amp93%
Compare
3 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 Kiro
kiro.dev
Kiro is an agentic engineering environment for developers and teams.
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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6-month growth
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Bounce rate lower is better
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Pricing
Model
Paid
Freemium
Free
Starting price
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$20per 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
Free FreePro $20/moPro+ $40/moPro Max $100/mo+2 more
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Capabilities input → output
Input
CodeImagesText
CodeText
CodeText
Output
Code
Code
Code
Skill level
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Testing
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
6
4
Coding
Developer tools
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Agents
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Code testing
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Project specifications
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Development
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GitHub management
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Test creation
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Testing
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Community on aitoolstime
Rating
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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.