diff --git a/packages/opencode/src/config/config.ts b/packages/opencode/src/config/config.ts
index 1574c644d322..6cb47eec6181 100644
--- a/packages/opencode/src/config/config.ts
+++ b/packages/opencode/src/config/config.ts
@@ -831,6 +831,10 @@ export namespace Config {
           }),
         )
         .optional(),
+      requestOptions: z
+        .record(z.string(), z.any())
+        .optional()
+        .describe("Default per-request model options applied to all models for this provider"),
       options: z
         .object({
           apiKey: z.string().optional(),
@@ -857,6 +861,26 @@ export namespace Config {
         .optional(),
     })
     .strict()
+    .transform((provider) => {
+      const store = provider.options?.store
+      const requestOptions = {
+        ...(provider.requestOptions ?? {}),
+        ...(typeof store === "boolean" && provider.requestOptions?.store === undefined ? { store } : {}),
+      }
+
+      const options =
+        provider.options == null
+          ? undefined
+          : Object.fromEntries(Object.entries(provider.options).filter(([key]) => key !== "store"))
+
+      const hasRequestOptions = Object.keys(requestOptions).length > 0
+
+      return {
+        ...provider,
+        options,
+        requestOptions: hasRequestOptions ? requestOptions : undefined,
+      }
+    })
     .meta({
       ref: "ProviderConfig",
     })
diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index bcb115edf419..3e7a27fcf3f0 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -579,6 +579,7 @@ export namespace Provider {
       env: z.string().array(),
       key: z.string().optional(),
       options: z.record(z.string(), z.any()),
+      requestOptions: z.record(z.string(), z.any()).optional(),
       models: z.record(z.string(), Model),
     })
     .meta({
@@ -725,6 +726,7 @@ export namespace Provider {
         name: provider.name ?? existing?.name ?? providerID,
         env: provider.env ?? existing?.env ?? [],
         options: mergeDeep(existing?.options ?? {}, provider.options ?? {}),
+        requestOptions: mergeDeep(existing?.requestOptions ?? {}, provider.requestOptions ?? {}),
         source: "config",
         models: existing?.models ?? {},
       }
diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 71295ba2b67b..a5ecce82f456 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -505,14 +505,20 @@ export namespace ProviderTransform {
     model: Provider.Model
     sessionID: string
     providerOptions?: Record<string, any>
+    requestOptions?: Record<string, any>
   }): Record<string, any> {
     const result: Record<string, any> = {}
 
     // openai and providers using openai package should set store to false by default.
-    if (input.model.providerID === "openai" || input.model.api.npm === "@ai-sdk/openai") {
+    const openai = input.model.providerID === "openai" || input.model.api.npm === "@ai-sdk/openai"
+    if (openai) {
       result["store"] = false
     }
 
+    if (openai && typeof input.requestOptions?.store === "boolean") {
+      result["store"] = input.requestOptions.store
+    }
+
     if (input.model.api.npm === "@openrouter/ai-sdk-provider") {
       result["usage"] = {
         include: true,
diff --git a/packages/opencode/src/session/llm.ts b/packages/opencode/src/session/llm.ts
index 1029b45ea0db..a852e8e33b02 100644
--- a/packages/opencode/src/session/llm.ts
+++ b/packages/opencode/src/session/llm.ts
@@ -101,6 +101,7 @@ export namespace LLM {
           model: input.model,
           sessionID: input.sessionID,
           providerOptions: provider.options,
+          requestOptions: provider.requestOptions,
         })
     const options: Record<string, any> = pipe(
       base,