diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index 9cb4fe75..7ea83060 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: