diff --git a/extensions/openai/openai-codex-provider.ts b/extensions/openai/openai-codex-provider.ts
index 09e29c1e50d..43d1bd45ded 100644
--- a/extensions/openai/openai-codex-provider.ts
+++ b/extensions/openai/openai-codex-provider.ts
@@ -17,7 +17,6 @@ import {
   normalizeProviderId,
   type ProviderPlugin,
 } from "openclaw/plugin-sdk/provider-model-shared";
-import { buildProviderStreamFamilyHooks } from "openclaw/plugin-sdk/provider-stream-family";
 import { fetchCodexUsage } from "openclaw/plugin-sdk/provider-usage";
 import { normalizeLowercaseStringOrEmpty, readStringValue } from "openclaw/plugin-sdk/text-runtime";
 import { OPENAI_CODEX_DEFAULT_MODEL } from "./default-models.js";
@@ -33,6 +32,7 @@ import {
   isOpenAIApiBaseUrl,
   isOpenAICodexBaseUrl,
   matchesExactOrPrefix,
+  OPENAI_RESPONSES_STREAM_HOOKS,
 } from "./shared.js";
 import {
   resolveOpenAITransportTurnState,
@@ -101,8 +101,6 @@ const OPENAI_CODEX_MODERN_MODEL_IDS = [
   OPENAI_CODEX_GPT_53_MODEL_ID,
   OPENAI_CODEX_GPT_53_SPARK_MODEL_ID,
 ] as const;
-const OPENAI_RESPONSES_STREAM_HOOKS = buildProviderStreamFamilyHooks("openai-responses-defaults");
-
 function normalizeCodexTransport(model: ProviderRuntimeModel): ProviderRuntimeModel {
   const lowerModelId = normalizeLowercaseStringOrEmpty(model.id);
   const canonicalModelId =
diff --git a/extensions/openai/openai-provider.test.ts b/extensions/openai/openai-provider.test.ts
index 54007b99f13..f5f848aff97 100644
--- a/extensions/openai/openai-provider.test.ts
+++ b/extensions/openai/openai-provider.test.ts
@@ -398,6 +398,13 @@ describe("buildOpenAIProvider", () => {
     ).toBe(explicit);
   });
 
+  it("shares OpenAI responses wrapper composition across provider variants", () => {
+    const provider = buildOpenAIProvider();
+    const codexProvider = buildOpenAICodexProviderPlugin();
+
+    expect(provider.wrapStreamFn).toBe(codexProvider.wrapStreamFn);
+  });
+
   it("owns Azure OpenAI reasoning compatibility without forcing OpenAI transport defaults", () => {
     const provider = buildOpenAIProvider();
     const wrap = provider.wrapStreamFn;
diff --git a/extensions/openai/openai-provider.ts b/extensions/openai/openai-provider.ts
index 8127e222fa9..0ad77b1ccbf 100644
--- a/extensions/openai/openai-provider.ts
+++ b/extensions/openai/openai-provider.ts
@@ -9,7 +9,6 @@ import {
   normalizeProviderId,
   type ProviderPlugin,
 } from "openclaw/plugin-sdk/provider-model-shared";
-import { buildProviderStreamFamilyHooks } from "openclaw/plugin-sdk/provider-stream-family";
 import { normalizeLowercaseStringOrEmpty } from "openclaw/plugin-sdk/text-runtime";
 import { applyOpenAIConfig, OPENAI_DEFAULT_MODEL } from "./default-models.js";
 import { buildOpenAIReplayPolicy } from "./replay-policy.js";
@@ -20,6 +19,7 @@ import {
   findCatalogTemplate,
   isOpenAIApiBaseUrl,
   matchesExactOrPrefix,
+  OPENAI_RESPONSES_STREAM_HOOKS,
 } from "./shared.js";
 import {
   resolveOpenAITransportTurnState,
@@ -70,8 +70,6 @@ const OPENAI_MODERN_MODEL_IDS = [
 ] as const;
 const OPENAI_DIRECT_SPARK_MODEL_ID = "gpt-5.3-codex-spark";
 const SUPPRESSED_SPARK_PROVIDERS = new Set(["openai", "azure-openai-responses"]);
-const OPENAI_RESPONSES_STREAM_HOOKS = buildProviderStreamFamilyHooks("openai-responses-defaults");
-
 function shouldUseOpenAIResponsesTransport(params: {
   provider: string;
   api?: string | null;
diff --git a/extensions/openai/shared.ts b/extensions/openai/shared.ts
index 26e1ad7772c..c34c0319a46 100644
--- a/extensions/openai/shared.ts
+++ b/extensions/openai/shared.ts
@@ -4,6 +4,7 @@ import {
   cloneFirstTemplateModel,
   matchesExactOrPrefix,
 } from "openclaw/plugin-sdk/provider-model-shared";
+import { buildProviderStreamFamilyHooks } from "openclaw/plugin-sdk/provider-stream-family";
 import { normalizeOptionalString } from "openclaw/plugin-sdk/text-runtime";
 
 type SyntheticOpenAIModelCatalogCost = {
@@ -25,6 +26,9 @@ type SyntheticOpenAIModelCatalogEntry = {
 };
 
 export const OPENAI_API_BASE_URL = "https://api.openai.com/v1";
+export const OPENAI_RESPONSES_STREAM_HOOKS = buildProviderStreamFamilyHooks(
+  "openai-responses-defaults",
+);
 
 export function toOpenAIDataUrl(buffer: Buffer, mimeType: string): string {
   return `data:${mimeType};base64,${buffer.toString("base64")}`;