Codex CLI

model = "gpt-5.5"
model_provider = "omniakey"

[model_providers.omniakey]
name = "OmniaKey"
wire_api = "responses"
requires_openai_auth = true
base_url = "https://api.omniakey.com/v1"

export OPENAI_API_KEY="your-omniakey-api-key"
codex