diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index 9cb4fe752..7ea830602 100644
--- a/.speakeasy/in.openapi.yaml
+++ b/.speakeasy/in.openapi.yaml
@@ -18194,6 +18194,7 @@ components:
               provider: 'OpenAI'
               selected: true
           total: 1
+        generation_time: 2016
         is_byok: false
         region: 'iad'
         requested: 'openai/gpt-4o'
@@ -18208,6 +18209,10 @@ components:
           type: 'array'
         endpoints:
           $ref: '#/components/schemas/EndpointsMetadata'
+        generation_time:
+          description: 'Milliseconds measured for the generation, from dispatching the upstream request until its response body ended. Divide the completion token count by this for throughput. Absent when no upstream request was dispatched.'
+          example: 2016
+          type: 'integer'
         is_byok:
           type: 'boolean'
         params: