Skip to main content

Install Codex

Codex CLI

npm install -g @openai/codex

Codex app

Download the app from OpenAI Codex.

Configure Codex

Create or update ~/.codex/config.toml:
model = "openai/gpt-5.4"
model_reasoning_effort = "high"
model_provider = "capriole_ai"

[model_providers.capriole_ai]
name = "Capriole AI"
base_url = "https://api.caprioletech.com/v1"
wire_api = "responses"
experimental_bearer_token = "YOUR_CAPRIOLE_AI_API_KEY"

Supported models

Codex currently supports GPT 5.4 through Capriole AI.