diff --git a/litellm/litellm_core_utils/llm_cost_calc/utils.py b/litellm/litellm_core_utils/llm_cost_calc/utils.py
index 785976ed319..642cbbb7922 100644
--- a/litellm/litellm_core_utils/llm_cost_calc/utils.py
+++ b/litellm/litellm_core_utils/llm_cost_calc/utils.py
@@ -566,14 +566,28 @@ def generic_cost_per_token(  # noqa: PLR0915
     if usage.prompt_tokens_details:
         prompt_tokens_details = _parse_prompt_tokens_details(usage)
 
-    ## EDGE CASE - text tokens not set inside PromptTokensDetails
+    ## EDGE CASE - text tokens not set or includes cached tokens (double-counting)
+    ## Some providers (like xAI) report text_tokens = prompt_tokens (including cached)
+    ## We detect this when: text_tokens + cached_tokens + other > prompt_tokens
+    ## Ref: https://github.com/BerriAI/litellm/issues/19680, #14874, #14875
 
-    if prompt_tokens_details["text_tokens"] == 0:
+    cache_hit = prompt_tokens_details["cache_hit_tokens"]
+    text_tokens = prompt_tokens_details["text_tokens"]
+    audio_tokens = prompt_tokens_details["audio_tokens"]
+    cache_creation = prompt_tokens_details["cache_creation_tokens"]
+    image_tokens = prompt_tokens_details["image_tokens"]
+
+    # Check for double-counting: sum of details > prompt_tokens means overlap
+    total_details = text_tokens + cache_hit + audio_tokens + cache_creation + image_tokens
+    has_double_counting = cache_hit > 0 and total_details > usage.prompt_tokens
+
+    if text_tokens == 0 or has_double_counting:
         text_tokens = (
             usage.prompt_tokens
-            - prompt_tokens_details["cache_hit_tokens"]
-            - prompt_tokens_details["audio_tokens"]
-            - prompt_tokens_details["cache_creation_tokens"]
+            - cache_hit
+            - audio_tokens
+            - cache_creation
+            - image_tokens
         )
         prompt_tokens_details["text_tokens"] = text_tokens
 
diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index d958ea4503a..cf6b0e7e3f2 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -30382,6 +30382,7 @@
         "supports_web_search": true
     },
     "xai/grok-3": {
+        "cache_read_input_token_cost": 7.5e-07,
         "input_cost_per_token": 3e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30396,6 +30397,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-beta": {
+        "cache_read_input_token_cost": 7.5e-07,
         "input_cost_per_token": 3e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30410,6 +30412,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-fast-beta": {
+        "cache_read_input_token_cost": 1.25e-06,
         "input_cost_per_token": 5e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30424,6 +30427,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-fast-latest": {
+        "cache_read_input_token_cost": 1.25e-06,
         "input_cost_per_token": 5e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30438,6 +30442,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-latest": {
+        "cache_read_input_token_cost": 7.5e-07,
         "input_cost_per_token": 3e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30452,6 +30457,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini": {
+        "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 3e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30467,6 +30473,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-beta": {
+        "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 3e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30482,6 +30489,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-fast": {
+        "cache_read_input_token_cost": 1.5e-07,
         "input_cost_per_token": 6e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30497,6 +30505,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-fast-beta": {
+        "cache_read_input_token_cost": 1.5e-07,
         "input_cost_per_token": 6e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30512,6 +30521,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-fast-latest": {
+        "cache_read_input_token_cost": 1.5e-07,
         "input_cost_per_token": 6e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30527,6 +30537,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-latest": {
+        "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 3e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 244a679bc27..d0a3bec9009 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -30384,6 +30384,7 @@
         "supports_web_search": true
     },
     "xai/grok-3": {
+        "cache_read_input_token_cost": 7.5e-07,
         "input_cost_per_token": 3e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30398,6 +30399,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-beta": {
+        "cache_read_input_token_cost": 7.5e-07,
         "input_cost_per_token": 3e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30412,6 +30414,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-fast-beta": {
+        "cache_read_input_token_cost": 1.25e-06,
         "input_cost_per_token": 5e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30426,6 +30429,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-fast-latest": {
+        "cache_read_input_token_cost": 1.25e-06,
         "input_cost_per_token": 5e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30440,6 +30444,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-latest": {
+        "cache_read_input_token_cost": 7.5e-07,
         "input_cost_per_token": 3e-06,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30454,6 +30459,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini": {
+        "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 3e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30469,6 +30475,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-beta": {
+        "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 3e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30484,6 +30491,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-fast": {
+        "cache_read_input_token_cost": 1.5e-07,
         "input_cost_per_token": 6e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30499,6 +30507,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-fast-beta": {
+        "cache_read_input_token_cost": 1.5e-07,
         "input_cost_per_token": 6e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30514,6 +30523,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-fast-latest": {
+        "cache_read_input_token_cost": 1.5e-07,
         "input_cost_per_token": 6e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,
@@ -30529,6 +30539,7 @@
         "supports_web_search": true
     },
     "xai/grok-3-mini-latest": {
+        "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 3e-07,
         "litellm_provider": "xai",
         "max_input_tokens": 131072,