diff --git a/packages/types/src/providers/openai.ts b/packages/types/src/providers/openai.ts
index a3eed1b57ce..89bc2e63ab4 100644
--- a/packages/types/src/providers/openai.ts
+++ b/packages/types/src/providers/openai.ts
@@ -16,7 +16,6 @@ export const openAiNativeModels = {
 		outputPrice: 10.0,
 		cacheReadsPrice: 0.13,
 		description: "GPT-5 Chat Latest: Optimized for conversational AI and non-reasoning tasks",
-		supportsVerbosity: true,
 	},
 	"gpt-5-2025-08-07": {
 		maxTokens: 128000,
diff --git a/src/api/providers/openai-native.ts b/src/api/providers/openai-native.ts
index 1cf195a3ba9..49bdf41a047 100644
--- a/src/api/providers/openai-native.ts
+++ b/src/api/providers/openai-native.ts
@@ -216,7 +216,8 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 			// Unlike Chat Completions, system/developer roles in input have no special semantics here.
 			// The official way to set system behavior is the top-level `instructions` field.
 			instructions: systemPrompt,
-			include: ["reasoning.encrypted_content"],
+			// Only include encrypted reasoning content when reasoning effort is set
+			...(reasoningEffort ? { include: ["reasoning.encrypted_content"] } : {}),
 			...(reasoningEffort
 				? {
 						reasoning: {
@@ -1098,7 +1099,8 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 				],
 				stream: false, // Non-streaming for completePrompt
 				store: false, // Don't store prompt completions
-				include: ["reasoning.encrypted_content"],
+				// Only include encrypted reasoning content when reasoning effort is set
+				...(reasoningEffort ? { include: ["reasoning.encrypted_content"] } : {}),
 			}
 
 			// Include service tier if selected and supported