From a1605062b8617d70868a93e8fbb075a1c74a2107 Mon Sep 17 00:00:00 2001
From: Lucas <hisetu@gmail.com>
Date: Mon, 29 Jun 2026 14:29:45 +0800
Subject: [PATCH] feat: add openai-codex managed provider support

---
 README.md            |  5 ++++-
 provider-registry.ts | 12 ++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ec49b17..2e177ed 100644
--- a/README.md
+++ b/README.md
@@ -139,6 +139,7 @@ You should see:
 - `xai`
 - `github-copilot`
 - `openai`
+- `openai-codex`
 - `openrouter`
 - `deepseek`
 - `groq`
@@ -199,6 +200,7 @@ Default ports:
 - `xiaomi-token-plan-ams` → `8809`
 - `xiaomi-token-plan-sgp` → `8810`
 - `kimi-coding` → `8811`
+- `openai-codex` → `8812`
 
 ## Commands
 
@@ -270,6 +272,8 @@ Each provider also has optional port/upstream overrides such as:
 
 - `PI_HEADROOM_OPENAI_PORT`
 - `PI_HEADROOM_OPENAI_UPSTREAM`
+- `PI_HEADROOM_OPENAI_CODEX_PORT`
+- `PI_HEADROOM_OPENAI_CODEX_UPSTREAM`
 - `PI_HEADROOM_ANTHROPIC_PORT`
 - `PI_HEADROOM_ANTHROPIC_UPSTREAM`
 - `PI_HEADROOM_OPENROUTER_PORT`
@@ -285,7 +289,6 @@ These pi providers still need more provider-specific handling and are not yet ma
 - `cloudflare-ai-gateway`
 - `cloudflare-workers-ai`
 - `vercel-ai-gateway`
-- `openai-codex`
 - `opencode`
 - `opencode-go`
 - `zai`
diff --git a/provider-registry.ts b/provider-registry.ts
index cb274aa..986fdce 100644
--- a/provider-registry.ts
+++ b/provider-registry.ts
@@ -8,6 +8,7 @@ const MANAGED_PROVIDERS = [
   "xai",
   "github-copilot",
   "openai",
+  "openai-codex",
   "anthropic",
   "openrouter",
   "deepseek",
@@ -257,6 +258,17 @@ const PROVIDER_SPECS: Record<ManagedProvider, ManagedProviderSpec> = {
     routedBaseStyle: "openai",
     extraEnv: OPENAI_FAMILY_ENV,
   }),
+  "openai-codex": makeSimpleProviderSpec({
+    provider: "openai-codex",
+    displayName: "OpenAI Codex",
+    family: "openai",
+    preferredPortEnv: "PI_HEADROOM_OPENAI_CODEX_PORT",
+    defaultPreferredPort: 8812,
+    upstreamEnvKey: "OPENAI_TARGET_API_URL",
+    defaultUpstream: "https://api.openai.com",
+    routedBaseStyle: "openai",
+    extraEnv: OPENAI_FAMILY_ENV,
+  }),
   anthropic: makeSimpleProviderSpec({
     provider: "anthropic",
     displayName: "Anthropic",