Merge pull request #1424 from narengogi/fix/send-empty-usage-object-in-message-start-chunk

VisargD · web-flow · commit b4af798f35ef · 2025-11-14T12:04:39.000+05:30
send empty usage object in message start chunk for bedrock messages
diff --git a/src/providers/bedrock/messages.ts b/src/providers/bedrock/messages.ts
@@ -623,7 +623,5 @@ function getMessageStartEvent(fallbackId: string, gatewayRequest: Params) {
   );
   messageStartEvent.message.id = fallbackId;
   messageStartEvent.message.model = gatewayRequest.model as string;
-  // bedrock does not send usage in the beginning of the stream
-  delete messageStartEvent.message.usage;
   return `event: message_start\ndata: ${JSON.stringify(messageStartEvent)}\n\n`;
 }

Original file line number	Diff line number	Diff line change
`@@ -623,7 +623,5 @@ function getMessageStartEvent(fallbackId: string, gatewayRequest: Params) {`
`623`	`623`	`);`
`624`	`624`	`messageStartEvent.message.id = fallbackId;`
`625`	`625`	`messageStartEvent.message.model = gatewayRequest.model as string;`
`626`		`- // bedrock does not send usage in the beginning of the stream`
`627`		`- delete messageStartEvent.message.usage;`
`628`	`626`	return `event: message_start\ndata: ${JSON.stringify(messageStartEvent)}\n\n`;
`629`	`627`	`}`