diff --git a/src/Responses/Responses/Streaming/OutputItem.php b/src/Responses/Responses/Streaming/OutputItem.php
index 68e03745..c93c02c3 100644
--- a/src/Responses/Responses/Streaming/OutputItem.php
+++ b/src/Responses/Responses/Streaming/OutputItem.php
@@ -20,6 +20,8 @@
 use OpenAI\Responses\Responses\Output\OutputMcpListTools;
 use OpenAI\Responses\Responses\Output\OutputMessage;
 use OpenAI\Responses\Responses\Output\OutputReasoning;
+use OpenAI\Responses\Responses\Output\OutputToolSearchCall;
+use OpenAI\Responses\Responses\Output\OutputToolSearchOutput;
 use OpenAI\Responses\Responses\Output\OutputWebSearchToolCall;
 use OpenAI\Testing\Responses\Concerns\Fakeable;
 
@@ -36,8 +38,10 @@
  * @phpstan-import-type OutputMcpCallType from OutputMcpCall
  * @phpstan-import-type OutputCodeInterpreterToolCallType from OutputCodeInterpreterToolCall
  * @phpstan-import-type OutputCompactionType from OutputCompaction
+ * @phpstan-import-type OutputToolSearchCallType from OutputToolSearchCall
+ * @phpstan-import-type OutputToolSearchOutputType from OutputToolSearchOutput
  *
- * @phpstan-type OutputItemType array{type: string, output_index: int, sequence_number: int, item: OutputCodeInterpreterToolCallType|OutputComputerToolCallType|OutputFileSearchToolCallType|OutputFunctionToolCallType|OutputMessageType|OutputReasoningType|OutputWebSearchToolCallType|OutputMcpListToolsType|OutputMcpApprovalRequestType|OutputMcpCallType|OutputImageGenerationToolCallType|OutputCompactionType}
+ * @phpstan-type OutputItemType array{type: string, output_index: int, sequence_number: int, item: OutputCodeInterpreterToolCallType|OutputComputerToolCallType|OutputFileSearchToolCallType|OutputFunctionToolCallType|OutputMessageType|OutputReasoningType|OutputWebSearchToolCallType|OutputMcpListToolsType|OutputMcpApprovalRequestType|OutputMcpCallType|OutputImageGenerationToolCallType|OutputCompactionType|OutputToolSearchCallType|OutputToolSearchOutputType}
  *
  * @implements ResponseContract<OutputItemType>
  */
@@ -55,7 +59,7 @@ private function __construct(
         public readonly string $type,
         public readonly int $outputIndex,
         public readonly int $sequenceNumber,
-        public readonly OutputMessage|OutputCodeInterpreterToolCall|OutputFileSearchToolCall|OutputFunctionToolCall|OutputWebSearchToolCall|OutputComputerToolCall|OutputReasoning|OutputMcpListTools|OutputMcpApprovalRequest|OutputMcpCall|OutputImageGenerationToolCall|OutputCompaction $item,
+        public readonly OutputMessage|OutputCodeInterpreterToolCall|OutputFileSearchToolCall|OutputFunctionToolCall|OutputWebSearchToolCall|OutputComputerToolCall|OutputReasoning|OutputMcpListTools|OutputMcpApprovalRequest|OutputMcpCall|OutputImageGenerationToolCall|OutputCompaction|OutputToolSearchCall|OutputToolSearchOutput $item,
         private readonly MetaInformation $meta,
     ) {}
 
@@ -77,6 +81,8 @@ public static function from(array $attributes, MetaInformation $meta): self
             'mcp_call' => OutputMcpCall::from($attributes['item']),
             'code_interpreter_call' => OutputCodeInterpreterToolCall::from($attributes['item']),
             'compaction' => OutputCompaction::from($attributes['item']),
+            'tool_search_call' => OutputToolSearchCall::from($attributes['item']),
+            'tool_search_output' => OutputToolSearchOutput::from($attributes['item']),
         };
 
         return new self(
diff --git a/tests/Fixtures/Responses.php b/tests/Fixtures/Responses.php
index 4da44a0f..c0cc1e68 100644
--- a/tests/Fixtures/Responses.php
+++ b/tests/Fixtures/Responses.php
@@ -1047,3 +1047,13 @@ function responseOutputItemCompactionDoneEvent()
 {
     return fopen(__DIR__.'/Streams/ResponseOutputItemCompactionDone.txt', 'r');
 }
+
+function responseOutputItemToolSearchCallAddedEvent()
+{
+    return fopen(__DIR__.'/Streams/ResponseOutputItemToolSearchCallAdded.txt', 'r');
+}
+
+function responseOutputItemToolSearchOutputDoneEvent()
+{
+    return fopen(__DIR__.'/Streams/ResponseOutputItemToolSearchOutputDone.txt', 'r');
+}
diff --git a/tests/Fixtures/Streams/ResponseOutputItemToolSearchCallAdded.txt b/tests/Fixtures/Streams/ResponseOutputItemToolSearchCallAdded.txt
new file mode 100644
index 00000000..d8245bbb
--- /dev/null
+++ b/tests/Fixtures/Streams/ResponseOutputItemToolSearchCallAdded.txt
@@ -0,0 +1 @@
+data: {"type":"response.output_item.added","output_index":0,"sequence_number":12,"item":{"id":"tsc_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c","arguments":[],"call_id":"call_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c","execution":"server","status":"in_progress","type":"tool_search_call","created_by":"user_123"}}
diff --git a/tests/Fixtures/Streams/ResponseOutputItemToolSearchOutputDone.txt b/tests/Fixtures/Streams/ResponseOutputItemToolSearchOutputDone.txt
new file mode 100644
index 00000000..ea027dd2
--- /dev/null
+++ b/tests/Fixtures/Streams/ResponseOutputItemToolSearchOutputDone.txt
@@ -0,0 +1 @@
+data: {"type":"response.output_item.done","output_index":1,"sequence_number":13,"item":{"id":"tso_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c","call_id":"call_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c","execution":"server","status":"completed","tools":[{"type":"web_search","search_context_size":"low","user_location":null}],"type":"tool_search_output","created_by":"user_123"}}
diff --git a/tests/Responses/Responses/CreateStreamedResponse.php b/tests/Responses/Responses/CreateStreamedResponse.php
index 907243fb..ee32775f 100644
--- a/tests/Responses/Responses/CreateStreamedResponse.php
+++ b/tests/Responses/Responses/CreateStreamedResponse.php
@@ -3,11 +3,14 @@
 use OpenAI\Responses\Responses\CreateResponse;
 use OpenAI\Responses\Responses\CreateStreamedResponse;
 use OpenAI\Responses\Responses\Output\OutputCompaction;
+use OpenAI\Responses\Responses\Output\OutputToolSearchCall;
+use OpenAI\Responses\Responses\Output\OutputToolSearchOutput;
 use OpenAI\Responses\Responses\Streaming\OutputItem;
 use OpenAI\Responses\Responses\Streaming\RateLimits;
 use OpenAI\Responses\Responses\Streaming\ReasoningTextDelta;
 use OpenAI\Responses\Responses\Streaming\ReasoningTextDone;
 use OpenAI\Responses\Responses\Streaming\Response;
+use OpenAI\Responses\Responses\Tool\WebSearchTool;
 
 test('fake', function () {
     $response = CreateStreamedResponse::fake();
@@ -85,3 +88,34 @@
         ->response->item->encryptedContent->toBe('encrypted_string_value')
         ->response->item->createdBy->toBe('user_123');
 });
+
+test('output item added event with tool search call item', function () {
+    $response = CreateStreamedResponse::fake(responseOutputItemToolSearchCallAddedEvent());
+
+    expect($response->getIterator()->current())
+        ->toBeInstanceOf(CreateStreamedResponse::class)
+        ->event->toBe('response.output_item.added')
+        ->response->toBeInstanceOf(OutputItem::class)
+        ->response->outputIndex->toBe(0)
+        ->response->sequenceNumber->toBe(12)
+        ->response->item->toBeInstanceOf(OutputToolSearchCall::class)
+        ->response->item->id->toBe('tsc_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c')
+        ->response->item->callId->toBe('call_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c')
+        ->response->item->type->toBe('tool_search_call');
+});
+
+test('output item done event with tool search output item', function () {
+    $response = CreateStreamedResponse::fake(responseOutputItemToolSearchOutputDoneEvent());
+
+    expect($response->getIterator()->current())
+        ->toBeInstanceOf(CreateStreamedResponse::class)
+        ->event->toBe('response.output_item.done')
+        ->response->toBeInstanceOf(OutputItem::class)
+        ->response->outputIndex->toBe(1)
+        ->response->sequenceNumber->toBe(13)
+        ->response->item->toBeInstanceOf(OutputToolSearchOutput::class)
+        ->response->item->id->toBe('tso_67ccf18f64008190a39b619f4c8455ef087bb177ab789d5c')
+        ->response->item->tools->toHaveCount(1)
+        ->response->item->tools->{0}->toBeInstanceOf(WebSearchTool::class)
+        ->response->item->type->toBe('tool_search_output');
+});