US

OpenAI Codex CLI

OpenAI, US

⭐⭐⭐⭐⭐ 4.6/5

Editorial estimate compiled from public vendor data — not a user-review average. How we rate

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📊 Quick Facts

Pricing ModelFreemium
Categorycoding development
Users500M+ weekly active users
Data Snapshot2026-09-18

📝 About OpenAI Codex CLI

Codex CLI is OpenAI's open-source, terminal-first AI coding agent platform spanning CLI, desktop, web, and IDE extensions. Apache 2.0 license with 500M+ weekly active users. Terminal-first agent runs directly in terminal with full codebase access. Parallel multi-agent orchestration on isolated Git worktrees. MCP Plugin System integrates with Figma, Jira, Linear and more. Voice input: press spacebar to dictate commands. Three agent modes: Suggest, Auto-edit, and Full-auto. CI/CD pipeline-native for automated code generation.

💰 Pricing

Open source (Apache 2.0); ChatGPT/API subscription required

✨ Key Features

Terminal-first agent: full coding agent running directly in terminalApache 2.0 open source, community-extensible

⚖️ Pros & Cons

✓ Pros

  • Fully open source (Apache 2.0) with massive community adoption
  • Multi-platform: CLI + Desktop + Web + IDE
  • Voice input unique and productive
  • Parallel multi-agent scales to complex tasks

✗ Cons

  • Locked to OpenAI GPT models only
  • Full-auto mode has unpredictable token costs
  • Windows native support arrived late (March 2026)
  • Security vulnerability history now patched

🧠 Models

  • GPT-5-Codex
  • GPT-5.3-Codex

ℹ️ How this page is built

This page is compiled by an automated pipeline from publicly available vendor information. It is not a hands-on review, and no editor reviews it before publication.

Ratings are editorial estimates derived from public vendor data (features, pricing, ecosystem coverage). They are not user-review averages, and we do not publish user ratings.

Data Snapshot shows when this entry was last refreshed from our directory dataset. Pricing and model line-ups change frequently, so confirm critical pricing on the vendor’s own site.

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