GPT-5.5 | GPT-5.3 Codex | Codex Max | CodexCLI API | Codex API | ChatGPT Codex 5.3

🚀 Codex CLI Subscription — GPT-5.5 Codex | Codex Agent | OpenAI API

No autosend.
This is API access with proxy routing, not a web account.

🕒 Working hours: 10:00–17:00 UTC

Works with:

Codex CLI

Codex Agent

Codex Extension (VS Code and compatible IDEs)

🔓 VPN is not required.

Meta Description

Subscription for Codex CLI / Codex Agent access to gpt-5.3-codex, gpt-5.3-codex-mini and other supported Codex models. API-based connection with proxy routing. Manual during working hours.

What It Is

Subscription for Codex CLI and Codex Agent usage

API access via proxy routing

Compatible with Codex Extension

Cross-platform: macOS, Windows, Linux

Available Models

gpt-5.3-codex — 12 quota units per request

gpt-5.2-codex — 6 quota units per request

gpt-5.3

gpt-5.3-codex-mini

Other supported Codex models

Quota usage depends on context size and task complexity.

⚠ Query ≠ Prompt
One visible request may trigger multiple internal model operations.

Highlights

Stable proxy routing

No VPN required

Designed for coding workflows, agents, CLI environments

Works with Node.js + npm

Clean API-based architecture

Version switching supported

Support available 10:00–17:00 UTC.

What’s Included

Access to Codex models via CLI / Agent / Extension

CLI version switching

Setup documentation

Basic quota guidance

Install or Update Codex CLI

macOS / Linux

sudo npm install -g @openai/codex

Windows (PowerShell)

npm install -g @openai/codex

Switch versions by re-running the command with a specific version tag.

Important

Not ChatGPT Plus

Not API balance top-up

Not a web account

Use exclusively via Codex CLI, Codex Agent, or Codex Extension.
Model availability and quotas may change based on provider rules.

FAQ

Is this an account?
No. It is API-based access for Codex CLI / Agent / Extension.

Do I need admin rights?
macOS/Linux: sudo may be required.
Windows: no sudo required.

OS support?
macOS, Windows, Linux (Node.js + npm required).

How much per request?
Currently:

GPT-5.2-Codex — ~6 quota units

GPT-5.3-Codex — ~12 quota units
May change based on provider adjustments.

SEO Keywords

Codex, Codex CLI, Codex Agent, OpenAI API, GPT-5, GPT-5.3-Codex, GPT-5.2-Codex, Code AI, AI Agent, Developer Tools, CLI, SDK, LLM, Code Assistant, Codex Extension, VS Code AI, API subscription