diff --git a/litellm/litellm_core_utils/llm_cost_calc/utils.py b/litellm/litellm_core_utils/llm_cost_calc/utils.py
index 4c77f7e5c7c..efdaa8d5b83 100644
--- a/litellm/litellm_core_utils/llm_cost_calc/utils.py
+++ b/litellm/litellm_core_utils/llm_cost_calc/utils.py
@@ -668,29 +668,18 @@ def generic_cost_per_token(  # noqa: PLR0915
     image_tokens = prompt_tokens_details["image_tokens"]
 
     # Check for double-counting: sum of details > prompt_tokens means overlap
-    accounted_tokens = (
-        text_tokens + cache_hit + audio_tokens + cache_creation + image_tokens
-    )
+    accounted_tokens = text_tokens + cache_hit + audio_tokens + cache_creation + image_tokens
     has_double_counting = cache_hit > 0 and accounted_tokens > usage.prompt_tokens
-
-    # Some models use alternative billing dimensions (image_count, character_count,
-    # video_length_seconds) that account for prompt_tokens without being included
-    # in the per-token detail fields. When these are active, a gap between
-    # accounted_tokens and prompt_tokens is expected and must NOT be filled.
-    has_image_count_billing = prompt_tokens_details["image_count"] > 0
+ 
+    # Some models use alternative billing dimensions (character_count, video_length_seconds)
+    # that account for prompt_tokens without being included in the per-token detail fields.
+    # When these are active, a gap between accounted_tokens and prompt_tokens is expected
+    # and must NOT be filled. Note: image_count is additive billing, not alternative.
     has_non_token_alternative_billing = (
         prompt_tokens_details["character_count"] > 0
         or prompt_tokens_details["video_length_seconds"] > 0
     )
-    has_alternative_billing = (
-        has_image_count_billing or has_non_token_alternative_billing
-    )
-    should_fill_unaccounted_tokens = (
-        accounted_tokens < usage.prompt_tokens
-        and not has_non_token_alternative_billing
-        and not has_image_count_billing
-    )
-
+ 
     if has_double_counting:
         # Double-counting fix (xAI etc.): recalculate text_tokens from scratch
         # Clamp to 0 to prevent negative cost when cache_hit exceeds prompt_tokens
@@ -703,30 +692,23 @@ def generic_cost_per_token(  # noqa: PLR0915
             - image_tokens,
         )
         prompt_tokens_details["text_tokens"] = text_tokens
-    elif text_tokens == 0 and not has_alternative_billing:
-        # text_tokens not set by provider and no alternative billing dimensions:
-        # calculate text_tokens as the remainder of prompt_tokens
-        text_tokens = max(
-            0,
-            usage.prompt_tokens
-            - cache_hit
-            - audio_tokens
-            - cache_creation
-            - image_tokens,
-        )
-        prompt_tokens_details["text_tokens"] = text_tokens
-    elif should_fill_unaccounted_tokens:
+    elif accounted_tokens < usage.prompt_tokens and not has_non_token_alternative_billing:
         # Unaccounted tokens fix: inline documents (PDF, DOCX, etc.) are counted
         # in prompt_tokens by the provider but not broken out into any detail field.
         # Add the gap to text_tokens so they are costed at input_cost_per_token.
         #
-        # The guard above skips filling when ANY alternative pricing dimension is
-        # present (character_count, video_length_seconds, or image_count), since
-        # the gap may represent tokens already billed through those dimensions
-        # and converting them to text_tokens would cause double-billing.
+        # This handles both cases:
+        # 1. text_tokens=0 (provider didn't set it) - gap fills the entire remainder
+        # 2. text_tokens>0 but < total (mixed content like PDF+text) - gap fills remainder
+        #
+        # Skip filling only when non-token alternative billing is active
+        # (character_count, video_length_seconds), since those dimensions
+        # replace token-based billing entirely. image_count is additive and should
+        # not prevent gap-filling for unaccounted document tokens.
         unaccounted_tokens = usage.prompt_tokens - accounted_tokens
         prompt_tokens_details["text_tokens"] += unaccounted_tokens
-
+ 
+ 
     (
         prompt_base_cost,
         completion_base_cost,
@@ -736,7 +718,7 @@ def generic_cost_per_token(  # noqa: PLR0915
     ) = _get_token_base_cost(
         model_info=model_info, usage=usage, service_tier=service_tier
     )
-
+ 
     prompt_cost = _calculate_input_cost(
         prompt_tokens_details=prompt_tokens_details,
         model_info=model_info,
@@ -746,7 +728,6 @@ def generic_cost_per_token(  # noqa: PLR0915
         cache_creation_cost_above_1hr=cache_creation_cost_above_1hr,
         service_tier=service_tier,
     )
-
     ## CALCULATE OUTPUT COST
     text_tokens = 0
     audio_tokens = 0