diff --git a/src/Providers/DeepSeek/Handlers/Stream.php b/src/Providers/DeepSeek/Handlers/Stream.php
index 8ae26e57b..815fd2f20 100644
--- a/src/Providers/DeepSeek/Handlers/Stream.php
+++ b/src/Providers/DeepSeek/Handlers/Stream.php
@@ -357,9 +357,15 @@ protected function extractUsage(array $data): ?Usage
             return null;
         }
 
+        $totalPrompt = (int) data_get($usage, 'prompt_tokens', 0);
+        $cacheHit = (int) data_get($usage, 'prompt_cache_hit_tokens', 0);
+        $reasoning = (int) data_get($usage, 'completion_tokens_details.reasoning_tokens', 0);
+
         return new Usage(
-            promptTokens: (int) data_get($usage, 'prompt_tokens', 0),
-            completionTokens: (int) data_get($usage, 'completion_tokens', 0)
+            promptTokens: max(0, $totalPrompt - $cacheHit),
+            completionTokens: (int) data_get($usage, 'completion_tokens', 0),
+            cacheReadInputTokens: $cacheHit > 0 ? $cacheHit : null,
+            thoughtTokens: $reasoning > 0 ? $reasoning : null,
         );
     }
 
diff --git a/src/Providers/DeepSeek/Handlers/Text.php b/src/Providers/DeepSeek/Handlers/Text.php
index c8a15d253..5c67ce5e7 100644
--- a/src/Providers/DeepSeek/Handlers/Text.php
+++ b/src/Providers/DeepSeek/Handlers/Text.php
@@ -122,6 +122,10 @@ protected function sendRequest(Request $request): array
      */
     protected function addStep(array $data, Request $request, array $toolResults = []): void
     {
+        $totalPrompt = (int) (data_get($data, 'usage.prompt_tokens') ?? 0);
+        $cacheHit = (int) (data_get($data, 'usage.prompt_cache_hit_tokens') ?? 0);
+        $reasoning = (int) (data_get($data, 'usage.completion_tokens_details.reasoning_tokens') ?? 0);
+
         $this->responseBuilder->addStep(new Step(
             text: data_get($data, 'choices.0.message.content') ?? '',
             finishReason: $this->mapFinishReason($data),
@@ -129,8 +133,10 @@ protected function addStep(array $data, Request $request, array $toolResults = [
             toolResults: $toolResults,
             providerToolCalls: [],
             usage: new Usage(
-                data_get($data, 'usage.prompt_tokens'),
-                data_get($data, 'usage.completion_tokens'),
+                promptTokens: max(0, $totalPrompt - $cacheHit),
+                completionTokens: (int) (data_get($data, 'usage.completion_tokens') ?? 0),
+                cacheReadInputTokens: $cacheHit > 0 ? $cacheHit : null,
+                thoughtTokens: $reasoning > 0 ? $reasoning : null,
             ),
             meta: new Meta(
                 id: data_get($data, 'id'),
diff --git a/tests/Providers/DeepSeek/TextTest.php b/tests/Providers/DeepSeek/TextTest.php
index 94c47c4d4..055537d2a 100644
--- a/tests/Providers/DeepSeek/TextTest.php
+++ b/tests/Providers/DeepSeek/TextTest.php
@@ -129,8 +129,13 @@
     expect($secondStep->messages[1]->toolCalls[1]->name)->toBe('weather');
     expect($secondStep->messages[2])->toBeInstanceOf(ToolResultMessage::class);
 
-    // Assert usage
-    expect($response->usage->promptTokens)->toBe(507);
+    // Assert usage. promptTokens is now the FRESH portion (prompt_tokens minus
+    // prompt_cache_hit_tokens) so cost trackers can apply the cached rate to the
+    // hit portion separately. Aggregated across both steps:
+    //   step 1 fixture: prompt_tokens=220, prompt_cache_hit_tokens=192 → fresh 28, cached 192
+    //   step 2 fixture: prompt_tokens=287, prompt_cache_hit_tokens=256 → fresh 31, cached 256
+    expect($response->usage->promptTokens)->toBe(59);
+    expect($response->usage->cacheReadInputTokens)->toBe(448);
     expect($response->usage->completionTokens)->toBe(76);
 
     // Assert response