What's new
now jobs Jobs market snapshot refreshed now data Recomputed benchmark-weighted quality scores now data Synced Chatbot Arena benchmark track now data Updated speed measurements now data Pulled latest OpenRouter price index now data Validated official pricing snapshots 25 May digest OpenGuardrails: An Open-Source Context-Aware AI Guardrails Platform 25 May digest Published the 2026-05-25 daily digest 25 May digest Workbench Launches Open Source BullMQ Dashboard For Node Backends 24 May digest SpecBench Tests Reward Hacking In Long Horizon Coding Agents now jobs Jobs market snapshot refreshed now data Recomputed benchmark-weighted quality scores now data Synced Chatbot Arena benchmark track now data Updated speed measurements now data Pulled latest OpenRouter price index now data Validated official pricing snapshots 25 May digest OpenGuardrails: An Open-Source Context-Aware AI Guardrails Platform 25 May digest Published the 2026-05-25 daily digest 25 May digest Workbench Launches Open Source BullMQ Dashboard For Node Backends 24 May digest SpecBench Tests Reward Hacking In Long Horizon Coding Agents

Codex CLI

by OpenAI

Multi-agent coding CLI with parallel execution. Runs multiple AI agents simultaneously, each on an isolated Git worktree.

Default Model

GPT-5.1-Codex

Context Window

128K tokens

Pricing

subscription

Included with ChatGPT Plus ($20/mo), Pro ($200/mo), or API usage

Open Source

Apache-2.0

Features

MCP Support Yes
Multi-file Editing Yes
Git Integration Yes

Details

Platforms macOS, Linux
Released 2025-04-16
Supported models

GPT-5.2, GPT-5, GPT-4.1, GPT-4.1-mini

Quick Install

npm install -g @openai/codex

Notes

Multi-agent parallelism with isolated worktrees. Each agent works on its own branch.

Official Website GitHub Repository OpenAI Models