diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index da42d4d10d9..78848d7eea8 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -41329,6 +41329,7 @@
     },
     "openrouter/deepseek/deepseek-v3.2": {
         "cache_read_input_token_cost": 1.345e-07,
+        "deprecation_date": "2026-09-28",
         "input_cost_per_token": 2.69e-07,
         "input_cost_per_token_cache_hit": 1.345e-07,
         "litellm_provider": "openrouter",
@@ -41350,6 +41351,7 @@
         "supports_web_search": false
     },
     "openrouter/deepseek/deepseek-v3.2-exp": {
+        "deprecation_date": "2026-09-28",
         "input_cost_per_token": 2.7e-07,
         "input_cost_per_token_cache_hit": 2e-08,
         "litellm_provider": "openrouter",
@@ -43114,6 +43116,7 @@
         "output_cost_per_token": 1.2e-06,
         "cache_creation_input_token_cost": 0.0,
         "cache_read_input_token_cost": 3e-08,
+        "deprecation_date": "2026-10-08",
         "litellm_provider": "openrouter",
         "max_input_tokens": 204800,
         "max_output_tokens": 131072,
@@ -67135,9 +67138,9 @@
         "supports_web_search": true
     },
     "openrouter/deepseek/deepseek-v4-flash": {
-        "input_cost_per_token": 3.724e-08,
-        "output_cost_per_token": 7.448e-08,
-        "cache_read_input_token_cost": 7.448e-09,
+        "input_cost_per_token": 3.696e-08,
+        "output_cost_per_token": 7.392e-08,
+        "cache_read_input_token_cost": 7.392e-09,
         "litellm_provider": "openrouter",
         "max_input_tokens": 1048576,
         "max_output_tokens": 384000,
@@ -67950,6 +67953,7 @@
         "input_cost_per_token": 2.7e-07,
         "output_cost_per_token": 1e-06,
         "cache_read_input_token_cost": 1.35e-07,
+        "deprecation_date": "2026-09-28",
         "litellm_provider": "openrouter",
         "max_input_tokens": 163840,
         "max_output_tokens": 32768,
@@ -68691,6 +68695,7 @@
         "supports_web_search": false
     },
     "openrouter/deepseek/deepseek-r1-distill-llama-70b": {
+        "deprecation_date": "2026-09-28",
         "input_cost_per_token": 8e-07,
         "output_cost_per_token": 8e-07,
         "litellm_provider": "openrouter",
@@ -71964,6 +71969,7 @@
         "supports_web_search": false
     },
     "openrouter/baidu/ernie-4.5-vl-424b-a47b": {
+        "deprecation_date": "2026-10-08",
         "input_cost_per_token": 4.2e-07,
         "litellm_provider": "openrouter",
         "max_input_tokens": 123000,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index da42d4d10d9..78848d7eea8 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -41329,6 +41329,7 @@
     },
     "openrouter/deepseek/deepseek-v3.2": {
         "cache_read_input_token_cost": 1.345e-07,
+        "deprecation_date": "2026-09-28",
         "input_cost_per_token": 2.69e-07,
         "input_cost_per_token_cache_hit": 1.345e-07,
         "litellm_provider": "openrouter",
@@ -41350,6 +41351,7 @@
         "supports_web_search": false
     },
     "openrouter/deepseek/deepseek-v3.2-exp": {
+        "deprecation_date": "2026-09-28",
         "input_cost_per_token": 2.7e-07,
         "input_cost_per_token_cache_hit": 2e-08,
         "litellm_provider": "openrouter",
@@ -43114,6 +43116,7 @@
         "output_cost_per_token": 1.2e-06,
         "cache_creation_input_token_cost": 0.0,
         "cache_read_input_token_cost": 3e-08,
+        "deprecation_date": "2026-10-08",
         "litellm_provider": "openrouter",
         "max_input_tokens": 204800,
         "max_output_tokens": 131072,
@@ -67135,9 +67138,9 @@
         "supports_web_search": true
     },
     "openrouter/deepseek/deepseek-v4-flash": {
-        "input_cost_per_token": 3.724e-08,
-        "output_cost_per_token": 7.448e-08,
-        "cache_read_input_token_cost": 7.448e-09,
+        "input_cost_per_token": 3.696e-08,
+        "output_cost_per_token": 7.392e-08,
+        "cache_read_input_token_cost": 7.392e-09,
         "litellm_provider": "openrouter",
         "max_input_tokens": 1048576,
         "max_output_tokens": 384000,
@@ -67950,6 +67953,7 @@
         "input_cost_per_token": 2.7e-07,
         "output_cost_per_token": 1e-06,
         "cache_read_input_token_cost": 1.35e-07,
+        "deprecation_date": "2026-09-28",
         "litellm_provider": "openrouter",
         "max_input_tokens": 163840,
         "max_output_tokens": 32768,
@@ -68691,6 +68695,7 @@
         "supports_web_search": false
     },
     "openrouter/deepseek/deepseek-r1-distill-llama-70b": {
+        "deprecation_date": "2026-09-28",
         "input_cost_per_token": 8e-07,
         "output_cost_per_token": 8e-07,
         "litellm_provider": "openrouter",
@@ -71964,6 +71969,7 @@
         "supports_web_search": false
     },
     "openrouter/baidu/ernie-4.5-vl-424b-a47b": {
+        "deprecation_date": "2026-10-08",
         "input_cost_per_token": 4.2e-07,
         "litellm_provider": "openrouter",
         "max_input_tokens": 123000,