fix(providers): parse OpenRouter nested cache_write_tokens in usage (#11472)

2026-08-28 16:12:58 +00:00
parent 2f5ff48b56
commit cfc0538463
1 changed files with 6 additions and 0 deletions
@@ -887,6 +887,12 @@ pub fn get_usage(usage: &Value) -> Usage {
    let cache_write_input_tokens = usage
        .get("cache_creation_input_tokens")
        .and_then(|v| v.as_i64())
+        .or_else(|| {
+            usage
+                .get("prompt_tokens_details")
+                .and_then(|d| d.get("cache_write_tokens"))
+                .and_then(|v| v.as_i64())
+        })
        .map(|v| v as i32);

    let total_tokens = usage