diff --git a/src/platform/endpoint/test/node/openaiCompatibleEndpoint.ts b/src/platform/endpoint/test/node/openaiCompatibleEndpoint.ts
index a4c35d002..d711ce609 100644
--- a/src/platform/endpoint/test/node/openaiCompatibleEndpoint.ts
+++ b/src/platform/endpoint/test/node/openaiCompatibleEndpoint.ts
@@ -65,6 +65,7 @@ export type IModelConfig = {
 		max_tokens?: number | null;
 		max_completion_tokens?: number | null;
 		intent?: boolean | null;
+		reasoning_effort?: string | null;
 	};
 }
 
@@ -194,6 +195,12 @@ export class OpenAICompatibleTestEndpoint extends ChatEndpoint {
 			} else if (this.modelConfig.overrides.max_tokens) {
 				body.max_tokens = this.modelConfig.overrides.max_tokens;
 			}
+
+			if (this.modelConfig.overrides.reasoning_effort === null) {
+				delete body.reasoning_effort;
+			} else if (this.modelConfig.overrides.reasoning_effort) {
+				body.reasoning_effort = this.modelConfig.overrides.reasoning_effort;
+			}
 		}
 
 
diff --git a/src/platform/networking/common/networking.ts b/src/platform/networking/common/networking.ts
index b431493e5..4513eadb1 100644
--- a/src/platform/networking/common/networking.ts
+++ b/src/platform/networking/common/networking.ts
@@ -91,6 +91,7 @@ export interface IEndpointBody {
 	/** Code search: */
 	scoping_query?: string;
 	include_embeddings?: boolean;
+	reasoning_effort?: string;
 }
 
 export interface IEndpoint {
diff --git a/test/simulationMain.ts b/test/simulationMain.ts
index c78439cdd..2853dc79b 100644
--- a/test/simulationMain.ts
+++ b/test/simulationMain.ts
@@ -836,7 +836,8 @@ function parseModelConfigFile(modelConfigFilePath: string): IModelConfig[] {
 				"snippy"?: <boolean> | null, // optional, if null removes from request body
 				"max_tokens"?: <number> | null, // optional, if null removes from request body
 				"max_completion_tokens"?: <number> | null, // optional, if null removes from request body
-				"intent"?: <boolean> | null // optional, if null removes from request body
+				"intent"?: <boolean> | null, // optional, if null removes from request body
+				"reasoning_effort"?: <number> | null // optional, if null removes from request body
 			}
 		},
 		...
@@ -909,6 +910,7 @@ function parseModelConfigFile(modelConfigFilePath: string): IModelConfig[] {
 			checkProperty(overrides, 'intent', 'boolean', true, true);
 			checkProperty(overrides, 'max_tokens', 'number', true, true);
 			checkProperty(overrides, 'max_completion_tokens', 'number', true, true);
+			checkProperty(overrides, 'reasoning_effort', 'string', true, true);
 		}
 
 		modelConfigs.push({
@@ -945,6 +947,7 @@ function parseModelConfigFile(modelConfigFilePath: string): IModelConfig[] {
 				intent: model.overrides?.hasOwnProperty('intent') ? model.overrides.intent : undefined,
 				max_tokens: model.overrides?.hasOwnProperty('max_tokens') ? model.overrides.max_tokens : undefined,
 				max_completion_tokens: model.overrides?.hasOwnProperty('max_completion_tokens') ? model.overrides.max_completion_tokens : undefined,
+				reasoning_effort: model.overrides?.hasOwnProperty('reasoning_effort') ? model.overrides.reasoning_effort : undefined,
 			}
 		});
 	}