diff --git a/.apigentools-info b/.apigentools-info
index b02cfcb3623b..8df24b0f1158 100644
--- a/.apigentools-info
+++ b/.apigentools-info
@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-10-16 20:07:14.122500",
-            "spec_repo_commit": "86072741"
+            "regenerated": "2024-10-17 14:10:53.037283",
+            "spec_repo_commit": "fb024a45"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-10-16 20:07:14.140655",
-            "spec_repo_commit": "86072741"
+            "regenerated": "2024-10-17 14:10:53.055232",
+            "spec_repo_commit": "fb024a45"
         }
     }
 }
\ No newline at end of file
diff --git a/.generator/schemas/v1/openapi.yaml b/.generator/schemas/v1/openapi.yaml
index e2eb404ab435..0ec2691c5775 100644
--- a/.generator/schemas/v1/openapi.yaml
+++ b/.generator/schemas/v1/openapi.yaml
@@ -4796,6 +4796,7 @@ components:
       - logs_transaction_stream
       - event_stream
       - rum_stream
+      - llm_observability_stream
       example: apm_issue_stream
       type: string
       x-enum-varnames:
@@ -4811,6 +4812,7 @@ components:
       - LOGS_TRANSACTION_STREAM
       - EVENT_STREAM
       - RUM_STREAM
+      - LLM_OBSERVABILITY_STREAM
     ListStreamWidgetDefinition:
       description: 'The list stream visualization displays a table of recent events
         in your application that
diff --git a/cassettes/features/v1/dashboards/Create-a-new-dashboard-with-llm-observability-stream-list-stream-widget.frozen b/cassettes/features/v1/dashboards/Create-a-new-dashboard-with-llm-observability-stream-list-stream-widget.frozen
new file mode 100644
index 000000000000..379a35d83360
--- /dev/null
+++ b/cassettes/features/v1/dashboards/Create-a-new-dashboard-with-llm-observability-stream-list-stream-widget.frozen
@@ -0,0 +1 @@
+2024-10-15T21:46:06.749Z
\ No newline at end of file
diff --git a/cassettes/features/v1/dashboards/Create-a-new-dashboard-with-llm-observability-stream-list-stream-widget.yml b/cassettes/features/v1/dashboards/Create-a-new-dashboard-with-llm-observability-stream-list-stream-widget.yml
new file mode 100644
index 000000000000..63cda46fb839
--- /dev/null
+++ b/cassettes/features/v1/dashboards/Create-a-new-dashboard-with-llm-observability-stream-list-stream-widget.yml
@@ -0,0 +1,51 @@
+http_interactions:
+- recorded_at: Tue, 15 Oct 2024 21:46:06 GMT
+  request:
+    body:
+      encoding: UTF-8
+      string: '{"layout_type":"ordered","title":"Test-Create_a_new_dashboard_with_llm_observability_stream_list_stream_widget-1729028766
+        with list_stream widget","widgets":[{"definition":{"requests":[{"columns":[{"field":"@status","width":"compact"},{"field":"@content.prompt","width":"auto"},{"field":"@content.response.content","width":"auto"},{"field":"timestamp","width":"auto"},{"field":"@ml_app","width":"auto"},{"field":"service","width":"auto"},{"field":"@meta.evaluations.quality","width":"auto"},{"field":"@meta.evaluations.security","width":"auto"},{"field":"@duration","width":"auto"}],"query":{"data_source":"llm_observability_stream","indexes":[],"query_string":"@event_type:span
+        @parent_id:undefined"},"response_format":"event_list"}],"type":"list_stream"}}]}'
+    headers:
+      Accept:
+      - application/json
+      Content-Type:
+      - application/json
+    method: POST
+    uri: https://api.datadoghq.com/api/v1/dashboard
+  response:
+    body:
+      encoding: UTF-8
+      string: '{"id":"k3w-qcg-ug8","title":"Test-Create_a_new_dashboard_with_llm_observability_stream_list_stream_widget-1729028766
+        with list_stream widget","description":null,"author_handle":"9919ec9b-ebc7-49ee-8dc8-03626e717cca","author_name":"CI
+        Account","layout_type":"ordered","url":"/dashboard/k3w-qcg-ug8/test-createanewdashboardwithllmobservabilitystreamliststreamwidget-1729028766-wi","is_read_only":false,"template_variables":null,"widgets":[{"definition":{"requests":[{"columns":[{"field":"@status","width":"compact"},{"field":"@content.prompt","width":"auto"},{"field":"@content.response.content","width":"auto"},{"field":"timestamp","width":"auto"},{"field":"@ml_app","width":"auto"},{"field":"service","width":"auto"},{"field":"@meta.evaluations.quality","width":"auto"},{"field":"@meta.evaluations.security","width":"auto"},{"field":"@duration","width":"auto"}],"query":{"data_source":"llm_observability_stream","indexes":[],"query_string":"@event_type:span
+        @parent_id:undefined"},"response_format":"event_list"}],"type":"list_stream"},"id":8221646523831060}],"notify_list":null,"created_at":"2024-10-15T21:46:06.954265+00:00","modified_at":"2024-10-15T21:46:06.954265+00:00","restricted_roles":[]}
+
+        '
+    headers:
+      Content-Type:
+      - application/json
+    status:
+      code: 200
+      message: OK
+- recorded_at: Tue, 15 Oct 2024 21:46:06 GMT
+  request:
+    body: null
+    headers:
+      Accept:
+      - application/json
+    method: DELETE
+    uri: https://api.datadoghq.com/api/v1/dashboard/k3w-qcg-ug8
+  response:
+    body:
+      encoding: UTF-8
+      string: '{"deleted_dashboard_id":"k3w-qcg-ug8"}
+
+        '
+    headers:
+      Content-Type:
+      - application/json
+    status:
+      code: 200
+      message: OK
+recorded_with: VCR 6.0.0
diff --git a/examples/v1/dashboards/CreateDashboard_3298564989.rb b/examples/v1/dashboards/CreateDashboard_3298564989.rb
new file mode 100644
index 000000000000..227ccf009560
--- /dev/null
+++ b/examples/v1/dashboards/CreateDashboard_3298564989.rb
@@ -0,0 +1,65 @@
+# Create a new dashboard with llm_observability_stream list_stream widget
+
+require "datadog_api_client"
+api_instance = DatadogAPIClient::V1::DashboardsAPI.new
+
+body = DatadogAPIClient::V1::Dashboard.new({
+  layout_type: DatadogAPIClient::V1::DashboardLayoutType::ORDERED,
+  title: "Example-Dashboard with list_stream widget",
+  widgets: [
+    DatadogAPIClient::V1::Widget.new({
+      definition: DatadogAPIClient::V1::ListStreamWidgetDefinition.new({
+        type: DatadogAPIClient::V1::ListStreamWidgetDefinitionType::LIST_STREAM,
+        requests: [
+          DatadogAPIClient::V1::ListStreamWidgetRequest.new({
+            response_format: DatadogAPIClient::V1::ListStreamResponseFormat::EVENT_LIST,
+            query: DatadogAPIClient::V1::ListStreamQuery.new({
+              data_source: DatadogAPIClient::V1::ListStreamSource::LLM_OBSERVABILITY_STREAM,
+              query_string: "@event_type:span @parent_id:undefined",
+              indexes: [],
+            }),
+            columns: [
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@status",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::COMPACT,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@content.prompt",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@content.response.content",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "timestamp",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@ml_app",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "service",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@meta.evaluations.quality",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@meta.evaluations.security",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+              DatadogAPIClient::V1::ListStreamColumn.new({
+                field: "@duration",
+                width: DatadogAPIClient::V1::ListStreamColumnWidth::AUTO,
+              }),
+            ],
+          }),
+        ],
+      }),
+    }),
+  ],
+})
+p api_instance.create_dashboard(body)
diff --git a/features/v1/dashboards.feature b/features/v1/dashboards.feature
index 09231d8d7893..0b4d397030a1 100644
--- a/features/v1/dashboards.feature
+++ b/features/v1/dashboards.feature
@@ -500,6 +500,14 @@ Feature: Dashboards
     And the response "widgets[0].definition.requests[0].query.sort.column" is equal to "timestamp"
     And the response "widgets[0].definition.requests[0].query.sort.order" is equal to "desc"
 
+  @team:DataDog/dashboards-backend
+  Scenario: Create a new dashboard with llm_observability_stream list_stream widget
+    Given new "CreateDashboard" request
+    And body with value {"layout_type":"ordered","title":"{{ unique }} with list_stream widget","widgets":[{"definition":{"type":"list_stream","requests":[{"response_format":"event_list","query":{"data_source":"llm_observability_stream","query_string":"@event_type:span @parent_id:undefined","indexes":[]},"columns":[{"field":"@status","width":"compact"},{"field":"@content.prompt","width":"auto"},{"field":"@content.response.content","width":"auto"},{"field":"timestamp","width":"auto"},{"field":"@ml_app","width":"auto"},{"field":"service","width":"auto"},{"field":"@meta.evaluations.quality","width":"auto"},{"field":"@meta.evaluations.security","width":"auto"},{"field":"@duration","width":"auto"}]}]}}]}
+    When the request is sent
+    Then the response status is 200 OK
+    And the response "widgets[0].definition.requests[0].query.data_source" is equal to "llm_observability_stream"
+
   @team:DataDog/dashboards-backend
   Scenario: Create a new dashboard with log_stream widget
     Given new "CreateDashboard" request
diff --git a/lib/datadog_api_client/v1/models/list_stream_source.rb b/lib/datadog_api_client/v1/models/list_stream_source.rb
index ee704b2c0075..419955d2d14d 100644
--- a/lib/datadog_api_client/v1/models/list_stream_source.rb
+++ b/lib/datadog_api_client/v1/models/list_stream_source.rb
@@ -33,5 +33,6 @@ class ListStreamSource
     LOGS_TRANSACTION_STREAM = "logs_transaction_stream".freeze
     EVENT_STREAM = "event_stream".freeze
     RUM_STREAM = "rum_stream".freeze
+    LLM_OBSERVABILITY_STREAM = "llm_observability_stream".freeze
   end
 end