Codex
by OpenAI
Best for high-velocity engineering teams who need a 'command center' for multiple AI agents. Codex specializes in parallel task execution—where cloud-based agents independently build features, fix bugs, and perform automated PR reviews in isolated sandboxes. Powered by GPT-5.4, with 60+ enterprise app integrations for Business teams.
Pricing Plans
Free
$0 /mo
Limited GPT-5.3 access, limited messages, basic code generation
Plus
$20 /mo
Codex agent + Sora, expanded GPT-5.4 access, deep research, agent mode
Pro
$200 /mo
GPT-5.4 Pro reasoning, unlimited messages, priority-speed Codex agent
Business
$25 /mo
Per user/mo. SSO, 60+ app integrations (Slack, GitHub, Atlassian), no training on data
Key Features
✓
IDE Extension ✓
Standalone App ✓
CLI Access ✓
Agentic Workflow ✓
Multi-Agent Parallelism ✓
Automatic Code Review ✓
Cloud Sandboxing ✓
MCP Support Platforms
Codex Desktop App (macOS/Windows) Codex CLI VS Code Extension JetBrains Extension iOS App