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Allow overriding the base URL for OpenAI in config.toml #11698
Description
What variant of Codex are you using?
CLI
What feature would you like to see?
If I have this in my config:
model_provider = "openai"
[model_providers.openai]
name = "OpenAI"
base_url = "http://localhost:8080/v1"
wire_api = "responses"Codex doesn't seem to respect it. If I am understanding the code correctly, since it's a built-in provider, we don't take into account any overrides in the TOML.
It would be great if this was supported so I can permanently use codex through a proxy (this is needed for my use case).
(I know I can override it via env vars, but config would be better for my use case)
Additional information
No response
Activity
etraut-openai commentedon Feb 13, 2026
We don't currently allow overriding the built-in provider. You can define a different provider name.
Alternatively, you can use the
OPENAI_BASE_URLenvironment variable if the URL is the only parameter you want to override.docs: wire up Codex, Claude Code, Pi Agent, Gemini CLI/Antigravity as…