diff --git a/.changeset/interface-vs-type.md b/.changeset/interface-vs-type.md
new file mode 100644
index 00000000..2d738651
--- /dev/null
+++ b/.changeset/interface-vs-type.md
@@ -0,0 +1,6 @@
+---
+'@sap-ai-sdk/orchestration': minor
+---
+[Compatibility Note] Switch some of the orchestration interfaces to types, as they were introduced by accident.
+
+[Compatibility Note] Remove `grounding` key from the type `ModuleResults`.
diff --git a/packages/orchestration/src/client/api/schema/azure-content-safety.ts b/packages/orchestration/src/client/api/schema/azure-content-safety.ts
index 3df7f9dd..02d28c89 100644
--- a/packages/orchestration/src/client/api/schema/azure-content-safety.ts
+++ b/packages/orchestration/src/client/api/schema/azure-content-safety.ts
@@ -5,11 +5,11 @@
  */
 import type { AzureThreshold } from './azure-threshold.js';
 /**
- * Filter configuration for Azure Content Safety.
+ * Filter configuration for Azure Content Safety
  */
-export interface AzureContentSafety {
+export type AzureContentSafety = {
   Hate?: AzureThreshold;
   SelfHarm?: AzureThreshold;
   Sexual?: AzureThreshold;
   Violence?: AzureThreshold;
-}
+};
diff --git a/packages/orchestration/src/client/api/schema/filtering-module-config.ts b/packages/orchestration/src/client/api/schema/filtering-module-config.ts
index f4e10b67..50e5df09 100644
--- a/packages/orchestration/src/client/api/schema/filtering-module-config.ts
+++ b/packages/orchestration/src/client/api/schema/filtering-module-config.ts
@@ -7,7 +7,7 @@ import type { FilteringConfig } from './filtering-config.js';
 /**
  * Representation of the 'FilteringModuleConfig' schema.
  */
-export interface FilteringModuleConfig {
+export type FilteringModuleConfig = {
   /**
    * List of provider type and filters.
    */
@@ -16,4 +16,4 @@ export interface FilteringModuleConfig {
    * List of provider type and filters.
    */
   output?: FilteringConfig;
-}
+};
diff --git a/packages/orchestration/src/client/api/schema/masking-module-config.ts b/packages/orchestration/src/client/api/schema/masking-module-config.ts
index cf22074a..267e302e 100644
--- a/packages/orchestration/src/client/api/schema/masking-module-config.ts
+++ b/packages/orchestration/src/client/api/schema/masking-module-config.ts
@@ -7,10 +7,10 @@ import type { MaskingProviderConfig } from './masking-provider-config.js';
 /**
  * Representation of the 'MaskingModuleConfig' schema.
  */
-export interface MaskingModuleConfig {
+export type MaskingModuleConfig = {
   /**
    * List of masking service providers
    * Min Items: 1.
    */
   masking_providers: MaskingProviderConfig[];
-}
+};
diff --git a/packages/orchestration/src/client/api/schema/module-results.ts b/packages/orchestration/src/client/api/schema/module-results.ts
index 15c89b8e..fb390793 100644
--- a/packages/orchestration/src/client/api/schema/module-results.ts
+++ b/packages/orchestration/src/client/api/schema/module-results.ts
@@ -10,12 +10,11 @@ import type { LlmChoice } from './llm-choice.js';
 /**
  * Results of each module.
  */
-export interface ModuleResults {
-  grounding?: GenericModuleResult;
+export type ModuleResults = {
   templating?: ChatMessages;
   input_masking?: GenericModuleResult;
   input_filtering?: GenericModuleResult;
   llm?: LlmModuleResult;
   output_filtering?: GenericModuleResult;
   output_unmasking?: LlmChoice[];
-}
+};