diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index be93d6fcd9b..0f895c63ca8 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -31421,6 +31421,7 @@
         "cache_read_input_token_cost_batches": 3e-08,
         "cache_read_input_token_cost_flex": 3e-08,
         "cache_read_input_token_cost_priority": 5.4e-08,
+        "deprecation_date": "2026-12-01",
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_audio_token_flex": 5e-07,
         "input_cost_per_token": 3e-07,
@@ -32004,6 +32005,7 @@
         "output_cost_per_token_flex": 5e-06,
         "supports_url_context": true,
         "cache_read_input_token_cost_above_200k_tokens_batches": 2.5e-07,
+        "deprecation_date": "2026-12-01",
         "input_cost_per_token_above_200k_tokens_batches": 1.25e-06,
         "output_cost_per_token_above_200k_tokens_batches": 7.5e-06
     },
@@ -32107,7 +32109,7 @@
     },
     "gemini/gemini-3.5-flash-lite": {
         "cache_read_input_token_cost": 3e-08,
-        "cache_read_input_token_cost_batches": 2e-08,
+        "cache_read_input_token_cost_batches": 1.5e-08,
         "cache_read_input_token_cost_flex": 2e-08,
         "cache_read_input_token_cost_priority": 5e-08,
         "input_cost_per_token": 3e-07,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index be93d6fcd9b..0f895c63ca8 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -31421,6 +31421,7 @@
         "cache_read_input_token_cost_batches": 3e-08,
         "cache_read_input_token_cost_flex": 3e-08,
         "cache_read_input_token_cost_priority": 5.4e-08,
+        "deprecation_date": "2026-12-01",
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_audio_token_flex": 5e-07,
         "input_cost_per_token": 3e-07,
@@ -32004,6 +32005,7 @@
         "output_cost_per_token_flex": 5e-06,
         "supports_url_context": true,
         "cache_read_input_token_cost_above_200k_tokens_batches": 2.5e-07,
+        "deprecation_date": "2026-12-01",
         "input_cost_per_token_above_200k_tokens_batches": 1.25e-06,
         "output_cost_per_token_above_200k_tokens_batches": 7.5e-06
     },
@@ -32107,7 +32109,7 @@
     },
     "gemini/gemini-3.5-flash-lite": {
         "cache_read_input_token_cost": 3e-08,
-        "cache_read_input_token_cost_batches": 2e-08,
+        "cache_read_input_token_cost_batches": 1.5e-08,
         "cache_read_input_token_cost_flex": 2e-08,
         "cache_read_input_token_cost_priority": 5e-08,
         "input_cost_per_token": 3e-07,