diff --git a/extensions/openai/provider-policy-api.test.ts b/extensions/openai/provider-policy-api.test.ts
index e1f32970e3ed..842e3c5af0eb 100644
--- a/extensions/openai/provider-policy-api.test.ts
+++ b/extensions/openai/provider-policy-api.test.ts
@@ -2,6 +2,7 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import {
   normalizeModelCatalogId,
+  projectConfiguredModelRow,
   resolveModelRoutes,
   resolveThinkingProfile,
 } from "./provider-policy-api.js";
@@ -15,6 +16,58 @@ describe("OpenAI provider policy artifact", () => {
     vi.unstubAllEnvs();
   });
 
+  it("skips runtime normalization for canonical Responses rows", () => {
+    expect(
+      projectConfiguredModelRow({
+        provider: "openai",
+        modelId: "gpt-5.5",
+        model: {
+          provider: "openai",
+          id: "gpt-5.5",
+          api: "openai-responses",
+          baseUrl: "http://127.0.0.1:8080/v1",
+          input: ["text"],
+          name: "GPT-5.5",
+          reasoning: true,
+          cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+          contextWindow: 96_000,
+          maxTokens: 128_000,
+        },
+      }),
+    ).toBeNull();
+  });
+
+  it.each([
+    ["openai-completions", "https://api.openai.com/v1", "gpt-5.5"],
+    ["openai-chatgpt-responses", "https://chatgpt.com/backend-api/codex", "gpt-5.5"],
+    ["openai-responses", "https://chatgpt.com/backend-api/codex", "gpt-5.5"],
+    [undefined, "https://api.openai.com/v1", "gpt-5.5"],
+    ["anthropic-messages", "https://api.openai.com/v1", "gpt-5.5"],
+    ["openai-responses", "https://api.openai.com/v1", "gpt-5.4-codex"],
+  ] as const)(
+    "keeps runtime normalization for api=%s baseUrl=%s model=%s",
+    (api, baseUrl, modelId) => {
+      expect(
+        projectConfiguredModelRow({
+          provider: "openai",
+          modelId,
+          model: {
+            provider: "openai",
+            id: modelId,
+            api,
+            baseUrl,
+            input: ["text"],
+            name: "OpenAI model",
+            reasoning: true,
+            cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+            contextWindow: 96_000,
+            maxTokens: 128_000,
+          },
+        }),
+      ).toBeUndefined();
+    },
+  );
+
   it("normalizes the legacy Codex model alias at the provider boundary", () => {
     expect(normalizeModelCatalogId({ provider: " OpenAI ", modelId: "openai/GPT-5.4-CODEX" })).toBe(
       "gpt-5.4",
diff --git a/extensions/openai/provider-policy-api.ts b/extensions/openai/provider-policy-api.ts
index 95a3fa32c39c..e742383e0bed 100644
--- a/extensions/openai/provider-policy-api.ts
+++ b/extensions/openai/provider-policy-api.ts
@@ -1,5 +1,6 @@
 // Openai API module exposes the plugin public contract.
 import type { ProviderDefaultThinkingPolicyContext } from "openclaw/plugin-sdk/core";
+import type { ProviderNormalizeResolvedModelContext } from "openclaw/plugin-sdk/plugin-entry";
 import type {
   ModelApi,
   ModelProviderConfig,
@@ -11,6 +12,7 @@ import type {
 } from "openclaw/plugin-sdk/provider-model-types";
 import {
   classifyOpenAIBaseUrl,
+  isOpenAICodexBaseUrl,
   OPENAI_API_BASE_URL,
   OPENAI_CODEX_RESPONSES_BASE_URL,
 } from "./base-url.js";
@@ -52,6 +54,28 @@ export function normalizeModelCatalogId(params: ProviderNormalizeModelCatalogIdC
     : null;
 }
 
+/**
+ * Skips full runtime loading only when OpenAI normalization is provably a no-op.
+ * Transport-sensitive routes and legacy model aliases still use the runtime hook.
+ */
+export function projectConfiguredModelRow(ctx: ProviderNormalizeResolvedModelContext) {
+  if (ctx.provider.trim().toLowerCase() !== "openai") {
+    return undefined;
+  }
+  const modelId = ctx.model.id;
+  const canonicalModelId = normalizeOpenAIModelRouteId(modelId);
+  const canonicalRouteId = normalizeOpenAIModelRouteId(ctx.modelId);
+  if (
+    ctx.model.api !== OPENAI_RESPONSES_API ||
+    isOpenAICodexBaseUrl(ctx.model.baseUrl) ||
+    canonicalModelId !== modelId ||
+    canonicalRouteId !== ctx.modelId
+  ) {
+    return undefined;
+  }
+  return null;
+}
+
 function firstRouteBaseUrl(...values: unknown[]): unknown {
   for (const value of values) {
     if (typeof value === "string") {