diff --git a/src/commands/doctor-legacy-config.migrations.test.ts b/src/commands/doctor-legacy-config.migrations.test.ts
index 9894c753e0f..77299be60c0 100644
--- a/src/commands/doctor-legacy-config.migrations.test.ts
+++ b/src/commands/doctor-legacy-config.migrations.test.ts
@@ -342,6 +342,40 @@ describe("normalizeCompatibilityConfigValues", () => {
     );
   });
 
+  it("migrates legacy OpenAI provider api values to OpenAI completions", () => {
+    const res = normalizeCompatibilityConfigValues({
+      models: {
+        providers: {
+          openrouter: {
+            baseUrl: "https://openrouter.ai/api/v1",
+            api: "openai",
+            models: [
+              {
+                id: "openai/gpt-4o-mini",
+                name: "OpenRouter GPT-4o Mini",
+                api: "openai",
+                reasoning: false,
+                input: ["text"],
+                cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+                contextWindow: 128_000,
+                maxTokens: 16_384,
+              },
+            ],
+          },
+        },
+      },
+    } as unknown as OpenClawConfig);
+
+    expect(res.config.models?.providers?.openrouter?.api).toBe("openai-completions");
+    expect(res.config.models?.providers?.openrouter?.models?.[0]?.api).toBe("openai-completions");
+    expect(res.changes).toContain(
+      'Moved models.providers.openrouter.api "openai" → "openai-completions".',
+    );
+    expect(res.changes).toContain(
+      'Moved models.providers.openrouter.models[0].api "openai" → "openai-completions".',
+    );
+  });
+
   it("marks legacy untagged /models add OpenAI Codex metadata rows for doctor repair", () => {
     const res = normalizeCompatibilityConfigValues({
       models: {
diff --git a/src/commands/doctor/shared/legacy-config-compatibility-base.ts b/src/commands/doctor/shared/legacy-config-compatibility-base.ts
index c0464f84bb4..c6cd288753d 100644
--- a/src/commands/doctor/shared/legacy-config-compatibility-base.ts
+++ b/src/commands/doctor/shared/legacy-config-compatibility-base.ts
@@ -4,6 +4,7 @@ import {
   normalizeLegacyCrossContextMessageConfig,
   normalizeLegacyMediaProviderOptions,
   normalizeLegacyMistralModelMaxTokens,
+  normalizeLegacyOpenAIModelProviderApi,
   normalizeLegacyRuntimeModelRefs,
   normalizeLegacyNanoBananaSkill,
   normalizeLegacyTalkConfig,
@@ -37,6 +38,7 @@ export function normalizeBaseCompatibilityConfigValues(
 
   next = normalizeLegacyNanoBananaSkill(next, changes);
   next = normalizeLegacyTalkConfig(next, changes);
+  next = normalizeLegacyOpenAIModelProviderApi(next, changes);
   next = normalizeLegacyRuntimeModelRefs(next, changes);
   next = normalizeLegacyCrossContextMessageConfig(next, changes);
   next = normalizeLegacyMediaProviderOptions(next, changes);
diff --git a/src/commands/doctor/shared/legacy-config-core-normalizers.ts b/src/commands/doctor/shared/legacy-config-core-normalizers.ts
index a576e58d7f6..cc4b287ed81 100644
--- a/src/commands/doctor/shared/legacy-config-core-normalizers.ts
+++ b/src/commands/doctor/shared/legacy-config-core-normalizers.ts
@@ -390,9 +390,10 @@ export function normalizeLegacyOpenAICodexModelsAddMetadata(
     return cfg;
   }
 
+  const rawProviders: Record<string, unknown> = rawModels.providers;
   let providersChanged = false;
-  const nextProviders = { ...rawModels.providers };
-  for (const [providerId, rawProvider] of Object.entries(rawModels.providers)) {
+  const nextProviders: Record<string, unknown> = { ...rawProviders };
+  for (const [providerId, rawProvider] of Object.entries(rawProviders)) {
     if (normalizeProviderId(providerId) !== "openai-codex" || !isRecord(rawProvider)) {
       continue;
     }
@@ -413,7 +414,7 @@ export function normalizeLegacyOpenAICodexModelsAddMetadata(
       ) {
         providerChanged = true;
         const safeProviderId = sanitizeForLog(providerId);
-        const safeModelId = sanitizeForLog(model.id);
+        const safeModelId = sanitizeForLog(normalizeOptionalString(model.id) ?? "unknown");
         changes.push(
           `Marked models.providers.${safeProviderId}.models.${safeModelId} as /models add metadata so official OpenAI Codex metadata can override it.`,
         );
@@ -446,6 +447,77 @@ export function normalizeLegacyOpenAICodexModelsAddMetadata(
   };
 }
 
+export function normalizeLegacyOpenAIModelProviderApi(
+  cfg: OpenClawConfig,
+  changes: string[],
+): OpenClawConfig {
+  const rawModels = cfg.models;
+  if (!isRecord(rawModels) || !isRecord(rawModels.providers)) {
+    return cfg;
+  }
+
+  const rawProviders: Record<string, unknown> = rawModels.providers;
+  let providersChanged = false;
+  const nextProviders: Record<string, unknown> = { ...rawProviders };
+  for (const [providerId, rawProvider] of Object.entries(rawProviders)) {
+    if (!isRecord(rawProvider)) {
+      continue;
+    }
+
+    let providerChanged = false;
+    const nextProvider: Record<string, unknown> = { ...rawProvider };
+    if (nextProvider.api === "openai") {
+      nextProvider.api = "openai-completions";
+      providerChanged = true;
+      changes.push(
+        `Moved models.providers.${sanitizeForLog(providerId)}.api "openai" → "openai-completions".`,
+      );
+    }
+
+    const rawProviderModels = rawProvider.models;
+    if (Array.isArray(rawProviderModels)) {
+      let modelsChanged = false;
+      const nextModels: unknown[] = [];
+      rawProviderModels.forEach((model, index) => {
+        if (!isRecord(model) || model.api !== "openai") {
+          nextModels.push(model);
+          return;
+        }
+        modelsChanged = true;
+        changes.push(
+          `Moved models.providers.${sanitizeForLog(providerId)}.models[${index}].api "openai" → "openai-completions".`,
+        );
+        nextModels.push({
+          ...model,
+          api: "openai-completions",
+        });
+      });
+      if (modelsChanged) {
+        nextProvider.models = nextModels;
+        providerChanged = true;
+      }
+    }
+
+    if (!providerChanged) {
+      continue;
+    }
+    nextProviders[providerId] = nextProvider;
+    providersChanged = true;
+  }
+
+  if (!providersChanged) {
+    return cfg;
+  }
+
+  return {
+    ...cfg,
+    models: {
+      ...rawModels,
+      providers: nextProviders as NonNullable<OpenClawConfig["models"]>["providers"],
+    },
+  };
+}
+
 export function normalizeLegacyNanoBananaSkill(
   cfg: OpenClawConfig,
   changes: string[],