diff --git a/src/backend/src/modules/puterai/AIChatService.js b/src/backend/src/modules/puterai/AIChatService.js
index 3b12f4bf..0e278b8b 100644
--- a/src/backend/src/modules/puterai/AIChatService.js
+++ b/src/backend/src/modules/puterai/AIChatService.js
@@ -112,6 +112,16 @@ class AIChatService extends BaseService {
             }
 
             await this.db.insert('ai_usage', values);
+
+            // USD cost from microcents
+            const cost_usd = values.cost / 1000000;
+
+            // Add to TrackSpendingService
+            const svc_spending = this.services.get('spending');
+            svc_spending.record_cost(`${details.service_used}:chat-completion`, {
+                timestamp: Date.now(),
+                cost: cost_usd,
+            });
         });
         
         const svc_apiErrpr = this.services.get('api-error');
diff --git a/src/backend/src/modules/puterai/OpenAICompletionService.js b/src/backend/src/modules/puterai/OpenAICompletionService.js
index b71f2ea4..2e8ec184 100644
--- a/src/backend/src/modules/puterai/OpenAICompletionService.js
+++ b/src/backend/src/modules/puterai/OpenAICompletionService.js
@@ -432,9 +432,6 @@ class OpenAICompletionService extends BaseService {
             return tokens.length;
         })();
 
-        const svc_spending = Context.get('services').get('spending');
-        svc_spending.record_spending('openai', 'chat-completion', spending_meta);
-
         const svc_counting = Context.get('services').get('counting');
         svc_counting.increment({
             service_name: 'openai:chat-completion',
diff --git a/src/backend/src/services/TrackSpendingService.js b/src/backend/src/services/TrackSpendingService.js
index 3722319f..4bbb3e82 100644
--- a/src/backend/src/services/TrackSpendingService.js
+++ b/src/backend/src/services/TrackSpendingService.js
@@ -278,6 +278,8 @@ class TrackSpendingService extends BaseService {
     /**
      * Records spending for a given vendor using the specified strategy
      * 
+     * @deprecated Use `record_cost` instead
+     * 
      * @param {string} vendor - The vendor name/identifier
      * @param {string} strategy_key - Key identifying the pricing strategy to use
      * @param {Object} data - Data needed to calculate cost based on the strategy
@@ -300,6 +302,22 @@ class TrackSpendingService extends BaseService {
         const window = this.add_or_get_window_(id);
         window.add(cost);
     }
+
+    /**
+     * Records known cost into a specified window id.
+     * 
+     * This is simliar to `record_spending` but puts the responsibility
+     * of determining cost outside of this services.
+     */
+    record_cost (window_id, { timestamp, cost }) {
+        const window = this.add_or_get_window_(window_id);
+        this.log.info(`Spent ${format_as_usd(cost)}`, {
+            window_id,
+            timestamp,
+            cost,
+        })
+        window.add(cost);
+    }
 }
 
 module.exports = {