Codex
Codex CLI can be configured to use AI Bridge by setting up a custom model provider.
Centralized API Key
To configure Codex CLI to use AI Bridge, set the following configuration options in your Codex configuration file (e.g., ~/.codex/config.toml):
model_provider = "aibridge"
[model_providers.aibridge]
name = "AI Bridge"
base_url = "<your-deployment-url>/api/v2/aibridge/openai/v1"
env_key = "OPENAI_API_KEY"
wire_api = "responses"
To authenticate with AI Bridge, get your Coder session token and set it in your environment:
export OPENAI_API_KEY="<your-coder-session-token>"
Run Codex as usual. It will automatically use the aibridge model provider from your configuration.
BYOK (Personal API Key)
Add the following to your Codex configuration file (e.g., ~/.codex/config.toml):
model_provider = "aibridge"
[model_providers.aibridge]
name = "AI Bridge"
base_url = "<your-deployment-url>/api/v2/aibridge/openai/v1"
wire_api = "responses"
requires_openai_auth = true
env_http_headers = { "X-Coder-AI-Governance-Token" = "CODER_SESSION_TOKEN" }
Set both environment variables:
# Your personal OpenAI API key, forwarded to OpenAI.
export OPENAI_API_KEY="<your-openai-api-key>"
# Your Coder session token, used for authentication with AI Bridge.
export CODER_SESSION_TOKEN="<your-coder-session-token>"
BYOK (ChatGPT Subscription)
Add the following to your Codex configuration file (e.g., ~/.codex/config.toml):
model_provider = "aibridge"
[model_providers.aibridge]
name = "AI Bridge"
base_url = "<your-deployment-url>/api/v2/aibridge/chatgpt/v1"
wire_api = "responses"
requires_openai_auth = true
env_http_headers = { "X-Coder-AI-Governance-Token" = "CODER_SESSION_TOKEN" }
Note
The base_url uses /aibridge/chatgpt/v1 instead of /aibridge/openai/v1 to route requests through the ChatGPT provider.
Set your Coder session token and ensure OPENAI_API_KEY is not set:
# Your Coder session token, used for authentication with AI Bridge.
export CODER_SESSION_TOKEN="<your-coder-session-token>"
# Ensure no OpenAI API key is set so Codex uses ChatGPT login instead.
unset OPENAI_API_KEY
When you run Codex, it will prompt you to log in with your ChatGPT account.
Pre-configuring in Templates
If configuring within a Coder workspace, you can use the Codex CLI module:
module "codex" {
source = "registry.coder.com/coder-labs/codex/coder"
version = "~> 4.1"
agent_id = coder_agent.main.id
workdir = "/path/to/project" # Set to your project directory
enable_aibridge = true
}
References: Codex CLI Configuration