diff --git a/packages/core/src/generation.ts b/packages/core/src/generation.ts
index 657ace24b0..f93b5abe1b 100644
--- a/packages/core/src/generation.ts
+++ b/packages/core/src/generation.ts
@@ -146,11 +146,22 @@ export async function generateText({
 
     elizaLogger.info("Selected model:", model);
 
-    const temperature = models[provider].settings.temperature;
-    const frequency_penalty = models[provider].settings.frequency_penalty;
-    const presence_penalty = models[provider].settings.presence_penalty;
-    const max_context_length = models[provider].settings.maxInputTokens;
-    const max_response_length = models[provider].settings.maxOutputTokens;
+    const modelConfiguration = runtime.character?.settings?.modelConfig;
+    const temperature =
+        modelConfiguration?.temperature ||
+        models[provider].settings.temperature;
+    const frequency_penalty =
+        modelConfiguration?.frequency_penalty ||
+        models[provider].settings.frequency_penalty;
+    const presence_penalty =
+        modelConfiguration?.presence_penalty ||
+        models[provider].settings.presence_penalty;
+    const max_context_length =
+        modelConfiguration?.maxInputTokens ||
+        models[provider].settings.maxInputTokens;
+    const max_response_length =
+        modelConfiguration.max_response_length ||
+        models[provider].settings.maxOutputTokens;
 
     const apiKey = runtime.token;
 
diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index 8e98a8e93e..6786bb99f9 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -626,6 +626,14 @@ export interface IAgentConfig {
     [key: string]: string;
 }
 
+export interface ModelConfiguration {
+    temperature?: number;
+    max_response_length?: number;
+    frequency_penalty?: number;
+    presence_penalty?: number;
+    maxInputTokens?: number;
+}
+
 /**
  * Configuration for an agent character
  */
@@ -738,6 +746,7 @@ export type Character = {
             };
         };
         model?: string;
+        modelConfig?: ModelConfiguration;
         embeddingModel?: string;
         chains?: {
             evm?: any[];