Fix for out of date Titan models.

Author: rlhagerm

.doc_gen/metadata/bedrock-runtime_metadata.yaml

@@ -1484,19 +1484,3 @@ bedrock-runtime_Scenario_GenerateVideos_NovaReel:
   services:
     bedrock-runtime: {StartAsyncInvoke, GetAsyncInvoke}
 
-bedrock-runtime_InvokeModel_TitanText:
-  title: Invoke Amazon Titan Text models on &BR; using the Invoke Model API
-  title_abbrev: "InvokeModel"
-  synopsis: send a text message to Amazon Titan Text, using the Invoke Model API.
-  category: Amazon Titan Text
-  languages:
-    Python:
-      versions:
-        - sdk_version: 3
-          github: python/example_code/bedrock-runtime
-          excerpts:
-            - description: Use the Invoke Model API to send a text message.
-              snippet_tags:
-                - python.example_code.bedrock-runtime.InvokeModel_TitanText
-  services:
-    bedrock-runtime: {InvokeModel}

dotnetv3/Bedrock-runtime/Actions/InvokeModelAsync.cs

@@ -405,7 +405,7 @@ public static async Task<string> InvokeTitanTextG1Async(string prompt)
         /// </remarks>
         public static async Task<string?> InvokeTitanImageGeneratorG1Async(string prompt, int seed)
         {
-            string titanImageGeneratorG1ModelId = "amazon.titan-image-generator-v1";
+            string titanImageGeneratorG1ModelId = "amazon.titan-image-generator-v2:0";
 
             AmazonBedrockRuntimeClient client = new(RegionEndpoint.USEast1);
 

dotnetv4/Bedrock-runtime/Actions/InvokeModelAsync.cs

@@ -461,7 +461,7 @@ public static async Task<string> InvokeTitanTextG1Async(string prompt)
         /// </remarks>
         public static async Task<string?> InvokeTitanImageGeneratorG1Async(string prompt, int seed)
         {
-            string titanImageGeneratorG1ModelId = "amazon.titan-image-generator-v1";
+            string titanImageGeneratorG1ModelId = "amazon.titan-image-generator-v2:0";
 
             AmazonBedrockRuntimeClient client = new(RegionEndpoint.USEast1);
 

gov2/bedrock-runtime/actions/invoke_model.go

@@ -106,7 +106,7 @@ type TitanImageResponse struct {
 // Invokes the Titan Image model to create an image using the input provided
 // in the request body.
 func (wrapper InvokeModelWrapper) InvokeTitanImage(ctx context.Context, prompt string, seed int64) (string, error) {
-	modelId := "amazon.titan-image-generator-v1"
+	modelId := "amazon.titan-image-generator-v2:0"
 
 	body, err := json.Marshal(TitanImageRequest{
 		TaskType: "TEXT_IMAGE",

gov2/bedrock-runtime/actions/invoke_model_test.go

@@ -18,7 +18,7 @@ import (
 )
 
 const CLAUDE_MODEL_ID = "anthropic.claude-v2"
-const TITAN_IMAGE_MODEL_ID = "amazon.titan-image-generator-v1"
+const TITAN_IMAGE_MODEL_ID = "amazon.titan-image-generator-v2:0"
 
 const prompt = "A test prompt"
 

gov2/bedrock-runtime/scenarios/scenario_invoke_models.go

@@ -112,7 +112,7 @@ func (scenario InvokeModelsScenario) InvokeTitanImage(ctx context.Context, promp
 	if err != nil {
 		panic(err)
 	}
-	imagePath := saveImage(base64ImageData, "amazon.titan-image-generator-v1")
+	imagePath := saveImage(base64ImageData, "amazon.titan-image-generator-v2")
 	fmt.Printf("The generated image has been saved to %s\n", imagePath)
 }
 

gov2/bedrock-runtime/stubs/invoke_model_stubs.go

@@ -47,7 +47,7 @@ func StubInvokeModel(params StubInvokeModelParams) testtools.Stub {
 //         OperationName: "InvokeModel",
 //         Input:	&bedrockruntime.InvokeModelInput{
 //             Body:        requestBytes,
-//             ModelId:     aws.String("amazon.titan-image-generator-v1"),
+//             ModelId:     aws.String("amazon.titan-image-generator-v2:0"),
 //             ContentType: aws.String("application/json"),
 //         },
 //         Output:	&bedrockruntime.InvokeModelOutput{

javav2/example_code/bedrock-runtime/src/main/java/com/example/bedrockruntime/models/amazonTitanImage/InvokeModel.java

@@ -30,8 +30,8 @@ public static String invokeModel() {
                 .region(Region.US_EAST_1)
                 .build();
 
-        // Set the model ID, e.g., Titan Image G1.
-        var modelId = "amazon.titan-image-generator-v1";
+        // Set the model ID, e.g., Titan Image G2.
+        var modelId = "amazon.titan-image-generator-v2:0";
 
         // The InvokeModel API uses the model's native payload.
         // Learn more about the available inference parameters and response fields at:

php/example_code/bedrock-runtime/BedrockRuntimeService.php

@@ -109,7 +109,7 @@ public function invokeTitanImage(string $prompt, int $seed)
 
         $base64_image_data = "";
         try {
-            $modelId = 'amazon.titan-image-generator-v1';
+            $modelId = 'amazon.titan-image-generator-v2:0';
             $request = json_encode([
                 'taskType' => 'TEXT_IMAGE',
                 'textToImageParams' => [

php/example_code/bedrock-runtime/GettingStartedWithBedrockRuntime.php

@@ -37,7 +37,7 @@ public function runExample()
         echo "\n\nAmazon Titan Image Generation:\n";
         $titanSeed = rand(0, 2147483647);
         $base64 = $bedrockRuntimeService->invokeTitanImage($image_prompt, $titanSeed);
-        $image_path = $this->saveImage($base64, 'amazon.titan-image-generator-v1');
+        $image_path = $this->saveImage($base64, 'amazon.titan-image-generator-v2');
         echo "The generated image has been saved to $image_path";
     }