Amazon Bedrock Runtime Update: This release adds Reasoning Content support to Converse and ConverseStream APIs

Author: AWS

.changes/next-release/feature-AmazonBedrockRuntime-ed7aa8a.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Amazon Bedrock Runtime",
+    "contributor": "",
+    "description": "This release adds Reasoning Content support to Converse and ConverseStream APIs"
+}

services/bedrockruntime/src/main/resources/codegen-resources/service-2.json

@@ -385,6 +385,7 @@
       },
       "documentation":"<p>The Model automatically decides if a tool should be called or whether to generate text instead. For example, <code>{\"auto\" : {}}</code>.</p>"
     },
+    "Blob":{"type":"blob"},
     "Body":{
       "type":"blob",
       "max":25000000,
@@ -433,6 +434,10 @@
         "guardContent":{
           "shape":"GuardrailConverseContentBlock",
           "documentation":"<p>Contains the content to assess with the guardrail. If you don't specify <code>guardContent</code> in a call to the Converse API, the guardrail (if passed in the Converse API) assesses the entire message.</p> <p>For more information, see <i>Use a guardrail with the Converse API</i> in the <i>Amazon Bedrock User Guide</i>. <pre><code> &lt;/p&gt; </code></pre>"
+        },
+        "reasoningContent":{
+          "shape":"ReasoningContentBlock",
+          "documentation":"<p>Contains content regarding the reasoning that is carried out by the model. Reasoning refers to a Chain of Thought (CoT) that the model generates to enhance the accuracy of its final response.</p>"
         }
       },
       "documentation":"<p>A block of content for a message that you pass to, or receive from, a model with the <a href=\"https://docs.aws.amazon.com/bedrock/latest/APIReference/API_runtime_Converse.html\">Converse</a> or <a href=\"https://docs.aws.amazon.com/bedrock/latest/APIReference/API_runtime_ConverseStream.html\">ConverseStream</a> API operations.</p>",
@@ -448,9 +453,13 @@
         "toolUse":{
           "shape":"ToolUseBlockDelta",
           "documentation":"<p>Information about a tool that the model is requesting to use.</p>"
+        },
+        "reasoningContent":{
+          "shape":"ReasoningContentBlockDelta",
+          "documentation":"<p>Contains content regarding the reasoning that is carried out by the model. Reasoning refers to a Chain of Thought (CoT) that the model generates to enhance the accuracy of its final response.</p>"
         }
       },
-      "documentation":"<p>A bock of content in a streaming response.</p>",
+      "documentation":"<p>A block of content in a streaming response.</p>",
       "union":true
     },
     "ContentBlockDeltaEvent":{
@@ -2371,6 +2380,58 @@
       "documentation":"<p>Contains a map of variables in a prompt from Prompt management to an object containing the values to fill in for them when running model invocation. For more information, see <a href=\"https://docs.aws.amazon.com/bedrock/latest/userguide/prompt-management-how.html\">How Prompt management works</a>.</p>",
       "union":true
     },
+    "ReasoningContentBlock":{
+      "type":"structure",
+      "members":{
+        "reasoningText":{
+          "shape":"ReasoningTextBlock",
+          "documentation":"<p>The reasoning that the model used to return the output.</p>"
+        },
+        "redactedContent":{
+          "shape":"Blob",
+          "documentation":"<p>The content in the reasoning that was encrypted by the model provider for safety reasons. The encryption doesn't affect the quality of responses.</p>"
+        }
+      },
+      "documentation":"<p>Contains content regarding the reasoning that is carried out by the model with respect to the content in the content block. Reasoning refers to a Chain of Thought (CoT) that the model generates to enhance the accuracy of its final response.</p>",
+      "sensitive":true,
+      "union":true
+    },
+    "ReasoningContentBlockDelta":{
+      "type":"structure",
+      "members":{
+        "text":{
+          "shape":"String",
+          "documentation":"<p>The reasoning that the model used to return the output.</p>"
+        },
+        "redactedContent":{
+          "shape":"Blob",
+          "documentation":"<p>The content in the reasoning that was encrypted by the model provider for safety reasons. The encryption doesn't affect the quality of responses.</p>"
+        },
+        "signature":{
+          "shape":"String",
+          "documentation":"<p>A token that verifies that the reasoning text was generated by the model. If you pass a reasoning block back to the API in a multi-turn conversation, include the text and its signature unmodified.</p>"
+        }
+      },
+      "documentation":"<p>Contains content regarding the reasoning that is carried out by the model with respect to the content in the content block. Reasoning refers to a Chain of Thought (CoT) that the model generates to enhance the accuracy of its final response.</p>",
+      "sensitive":true,
+      "union":true
+    },
+    "ReasoningTextBlock":{
+      "type":"structure",
+      "required":["text"],
+      "members":{
+        "text":{
+          "shape":"String",
+          "documentation":"<p>The reasoning that the model used to return the output.</p>"
+        },
+        "signature":{
+          "shape":"String",
+          "documentation":"<p>A token that verifies that the reasoning text was generated by the model. If you pass a reasoning block back to the API in a multi-turn conversation, include the text and its signature unmodified.</p>"
+        }
+      },
+      "documentation":"<p>Contains the reasoning that the model used to return the output.</p>",
+      "sensitive":true
+    },
     "RequestMetadata":{
       "type":"map",
       "key":{"shape":"RequestMetadataKeyString"},