config-advanced.md Codex Docs, 2026-04-07 00:40 UTC → 2026-04-08 18:32 UTC

15Define profiles under `[profiles.<name>]` in `config.toml`, then run `codex --profile <name>`:15Define profiles under `[profiles.<name>]` in `config.toml`, then run `codex --profile <name>`:

16 16 

17```toml17```toml

18model = "gpt-5-codex"18model = "gpt-5.4"

19approval_policy = "on-request"19approval_policy = "on-request"

20model_catalog_json = "/Users/me/.codex/model-catalogs/default.json"20model_catalog_json = "/Users/me/.codex/model-catalogs/default.json"

21 21 

132Define additional providers and point `model_provider` at them:132Define additional providers and point `model_provider` at them:

133 133 

134```toml134```toml

135model = "gpt-5.1"135model = "gpt-5.4"

136model_provider = "proxy"136model_provider = "proxy"

137 137 

138[model_providers.proxy]138[model_providers.proxy]