diff --git a/.stats.yml b/.stats.yml
index 39a1051..2802e8c 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 35
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/contextual-ai%2Fsunrise-c0b9cfd71efb976777313fb342d2e31ebeb44b1b3f9bb7ddea971e6b2bc5fd19.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/contextual-ai%2Fsunrise-f12595f01023503858500b15936a1d0d38701e48552d34c98b00a41205d2b8da.yml
diff --git a/src/resources/generate.ts b/src/resources/generate.ts
index cb4f5db..f17dbc1 100644
--- a/src/resources/generate.ts
+++ b/src/resources/generate.ts
@@ -28,9 +28,9 @@ export interface GenerateCreateResponse {
 
 export interface GenerateCreateParams {
   /**
-   * Extra parameters to be passed to Contextual's GLM
+   * The knowledge sources the model can use when generating a response.
    */
-  extra_body: GenerateCreateParams.ExtraBody;
+  knowledge: Array<string>;
 
   /**
    * List of messages in the conversation so far. The last message must be from the
@@ -42,25 +42,15 @@ export interface GenerateCreateParams {
    * The version of the Contextual's GLM to use. Currently, we just have "v1".
    */
   model: string;
-}
 
-export namespace GenerateCreateParams {
   /**
-   * Extra parameters to be passed to Contextual's GLM
+   * Instructions that the model follows when generating responses. Note that we do
+   * not guarantee that the model follows these instructions exactly.
    */
-  export interface ExtraBody {
-    /**
-     * The knowledge sources the model can use when generating a response.
-     */
-    knowledge: Array<string>;
-
-    /**
-     * Instructions that the model follows when generating responses. Note that we do
-     * not guarantee that the model follows these instructions exactly.
-     */
-    system_prompt?: string;
-  }
+  system_prompt?: string;
+}
 
+export namespace GenerateCreateParams {
   /**
    * Message object for a message sent or received in a /query and /generate
    * conversation
diff --git a/tests/api-resources/generate.test.ts b/tests/api-resources/generate.test.ts
index 4e89314..4c76b89 100644
--- a/tests/api-resources/generate.test.ts
+++ b/tests/api-resources/generate.test.ts
@@ -11,7 +11,7 @@ const client = new ContextualAI({
 describe('resource generate', () => {
   test('create: only required params', async () => {
     const responsePromise = client.generate.create({
-      extra_body: { knowledge: ['string'] },
+      knowledge: ['string'],
       messages: [{ content: 'content', role: 'user' }],
       model: 'model',
     });
@@ -26,9 +26,10 @@ describe('resource generate', () => {
 
   test('create: required and optional params', async () => {
     const response = await client.generate.create({
-      extra_body: { knowledge: ['string'], system_prompt: 'system_prompt' },
+      knowledge: ['string'],
       messages: [{ content: 'content', role: 'user' }],
       model: 'model',
+      system_prompt: 'system_prompt',
     });
   });
 });