Coding AssistantsOpen Source
OpenAI Codex CLI
OpenAI's open-source terminal agent for autonomous coding tasks
⭐ 28,000 stars● Health 90/100 — Active· commit recency (40 pts) · star momentum (30 pts) · issue ratio (20 pts) · forks (10 pts)Dev Productivity
About
OpenAI Codex CLI is an open-source terminal agent that applies natural language instructions to your local codebase. Running in your terminal, it reads files, writes code, runs tests, and iterates until the task is complete — powered by OpenAI's o4-mini model.
Choose OpenAI Codex CLI when…
- •using OpenAI models and want a terminal coding agent
- •prefer open-source with full control over the agent loop
- •need to integrate with existing OpenAI API infrastructure
Builder Slot
Who runs your terminal tasks?Optional for most stacks
A CLI agent you direct to handle multi-step coding tasks autonomously
Dev Tools
Recommended
App Infra
Not applicable
Hybrid
Optional
Other tools in this slot:
Stack Genome Detection
AIchitect's Genome scanner detects OpenAI Codex CLI in your project via these signals:
npm packages
@openai/codexenv vars
OPENAI_API_KEYIntegrates with (1)
Alternatives to consider (3)
Pricing
Pay-as-you-goOpenAI API tokens
Recent Activity
View all activity for this tool →In 2 stacks
Badge
Add to your GitHub README
[](https://www.aichitect.dev/tool/codex-cli)Explore the full AI landscape
See how OpenAI Codex CLI fits into the bigger picture — browse all 207 tools and their relationships.