diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 40fdf083cf8..5787f2cf3fb 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -5516,7 +5516,7 @@
         "supports_web_search": false
     },
     "azure/gpt-4.1-nano": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_token": 1e-07,
         "input_cost_per_token_batches": 5e-08,
@@ -5550,7 +5550,7 @@
         "supports_vision": true
     },
     "azure/gpt-4.1-nano-2025-04-14": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_token": 1e-07,
         "input_cost_per_token_batches": 5e-08,
@@ -6133,7 +6133,7 @@
         "cache_creation_input_audio_token_cost": 4e-07,
         "cache_read_input_audio_token_cost": 4e-07,
         "cache_read_input_token_cost": 4e-07,
-        "deprecation_date": "2027-06-25",
+        "deprecation_date": "2027-07-31",
         "input_cost_per_audio_token": 3.2e-05,
         "input_cost_per_image_token": 5e-06,
         "input_cost_per_token": 4e-06,
@@ -6168,7 +6168,7 @@
         "cache_creation_input_audio_token_cost": 3e-07,
         "cache_read_input_audio_token_cost": 3e-07,
         "cache_read_input_token_cost": 6e-08,
-        "deprecation_date": "2027-06-25",
+        "deprecation_date": "2027-07-31",
         "input_cost_per_audio_token": 1e-05,
         "input_cost_per_image_token": 8e-07,
         "input_cost_per_token": 6e-07,
@@ -6346,7 +6346,7 @@
         "supports_tool_choice": true
     },
     "azure/gpt-4o-transcribe": {
-        "deprecation_date": "2026-10-15",
+        "deprecation_date": "2026-12-31",
         "input_cost_per_audio_token": 2.5e-06,
         "input_cost_per_token": 2.5e-06,
         "litellm_provider": "azure",
@@ -6354,6 +6354,7 @@
         "max_output_tokens": 2000,
         "mode": "audio_transcription",
         "output_cost_per_token": 1e-05,
+        "source": "https://management.azure.com/subscriptions/c873328e-b572-4770-8dff-aaeb6f1f0e79/providers/Microsoft.CognitiveServices/locations/eastus2/models?api-version=2024-10-01",
         "supported_endpoints": [
             "/v1/audio/transcriptions"
         ]
@@ -8571,6 +8572,7 @@
         "cache_creation_input_token_cost_above_272k_tokens": 5e-06,
         "cache_read_input_token_cost": 1e-07,
         "cache_read_input_token_cost_above_272k_tokens": 2e-07,
+        "deprecation_date": "2028-03-11",
         "input_cost_per_token": 2e-06,
         "input_cost_per_token_above_272k_tokens": 4e-06,
         "litellm_provider": "azure",
@@ -8619,6 +8621,7 @@
         "cache_creation_input_token_cost_above_272k_tokens": 5e-06,
         "cache_read_input_token_cost": 1e-07,
         "cache_read_input_token_cost_above_272k_tokens": 2e-07,
+        "deprecation_date": "2028-03-11",
         "input_cost_per_token": 2e-06,
         "input_cost_per_token_above_272k_tokens": 4e-06,
         "litellm_provider": "azure",
@@ -10972,7 +10975,7 @@
         "supports_web_search": false
     },
     "azure/us/gpt-4.1-nano-2025-04-14": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.8e-08,
         "input_cost_per_token": 1.1e-07,
         "input_cost_per_token_batches": 5.5e-08,
@@ -70653,7 +70656,7 @@
         "source": "https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20'Foundry%20Models'%20and%20armRegionName%20eq%20'eastus'%20and%20priceType%20eq%20'Consumption'"
     },
     "azure/eu/gpt-4.1-nano": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.8e-08,
         "input_cost_per_token": 1.1e-07,
         "input_cost_per_token_batches": 5.5e-08,
@@ -71102,7 +71105,7 @@
         "source": "https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20'Foundry%20Models'%20and%20armRegionName%20eq%20'eastus'%20and%20priceType%20eq%20'Consumption'"
     },
     "azure/us/gpt-4.1-nano": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.8e-08,
         "input_cost_per_token": 1.1e-07,
         "input_cost_per_token_batches": 5.5e-08,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 40fdf083cf8..5787f2cf3fb 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -5516,7 +5516,7 @@
         "supports_web_search": false
     },
     "azure/gpt-4.1-nano": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_token": 1e-07,
         "input_cost_per_token_batches": 5e-08,
@@ -5550,7 +5550,7 @@
         "supports_vision": true
     },
     "azure/gpt-4.1-nano-2025-04-14": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_token": 1e-07,
         "input_cost_per_token_batches": 5e-08,
@@ -6133,7 +6133,7 @@
         "cache_creation_input_audio_token_cost": 4e-07,
         "cache_read_input_audio_token_cost": 4e-07,
         "cache_read_input_token_cost": 4e-07,
-        "deprecation_date": "2027-06-25",
+        "deprecation_date": "2027-07-31",
         "input_cost_per_audio_token": 3.2e-05,
         "input_cost_per_image_token": 5e-06,
         "input_cost_per_token": 4e-06,
@@ -6168,7 +6168,7 @@
         "cache_creation_input_audio_token_cost": 3e-07,
         "cache_read_input_audio_token_cost": 3e-07,
         "cache_read_input_token_cost": 6e-08,
-        "deprecation_date": "2027-06-25",
+        "deprecation_date": "2027-07-31",
         "input_cost_per_audio_token": 1e-05,
         "input_cost_per_image_token": 8e-07,
         "input_cost_per_token": 6e-07,
@@ -6346,7 +6346,7 @@
         "supports_tool_choice": true
     },
     "azure/gpt-4o-transcribe": {
-        "deprecation_date": "2026-10-15",
+        "deprecation_date": "2026-12-31",
         "input_cost_per_audio_token": 2.5e-06,
         "input_cost_per_token": 2.5e-06,
         "litellm_provider": "azure",
@@ -6354,6 +6354,7 @@
         "max_output_tokens": 2000,
         "mode": "audio_transcription",
         "output_cost_per_token": 1e-05,
+        "source": "https://management.azure.com/subscriptions/c873328e-b572-4770-8dff-aaeb6f1f0e79/providers/Microsoft.CognitiveServices/locations/eastus2/models?api-version=2024-10-01",
         "supported_endpoints": [
             "/v1/audio/transcriptions"
         ]
@@ -8571,6 +8572,7 @@
         "cache_creation_input_token_cost_above_272k_tokens": 5e-06,
         "cache_read_input_token_cost": 1e-07,
         "cache_read_input_token_cost_above_272k_tokens": 2e-07,
+        "deprecation_date": "2028-03-11",
         "input_cost_per_token": 2e-06,
         "input_cost_per_token_above_272k_tokens": 4e-06,
         "litellm_provider": "azure",
@@ -8619,6 +8621,7 @@
         "cache_creation_input_token_cost_above_272k_tokens": 5e-06,
         "cache_read_input_token_cost": 1e-07,
         "cache_read_input_token_cost_above_272k_tokens": 2e-07,
+        "deprecation_date": "2028-03-11",
         "input_cost_per_token": 2e-06,
         "input_cost_per_token_above_272k_tokens": 4e-06,
         "litellm_provider": "azure",
@@ -10972,7 +10975,7 @@
         "supports_web_search": false
     },
     "azure/us/gpt-4.1-nano-2025-04-14": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.8e-08,
         "input_cost_per_token": 1.1e-07,
         "input_cost_per_token_batches": 5.5e-08,
@@ -70653,7 +70656,7 @@
         "source": "https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20'Foundry%20Models'%20and%20armRegionName%20eq%20'eastus'%20and%20priceType%20eq%20'Consumption'"
     },
     "azure/eu/gpt-4.1-nano": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.8e-08,
         "input_cost_per_token": 1.1e-07,
         "input_cost_per_token_batches": 5.5e-08,
@@ -71102,7 +71105,7 @@
         "source": "https://prices.azure.com/api/retail/prices?$filter=serviceName%20eq%20'Foundry%20Models'%20and%20armRegionName%20eq%20'eastus'%20and%20priceType%20eq%20'Consumption'"
     },
     "azure/us/gpt-4.1-nano": {
-        "deprecation_date": "2026-10-14",
+        "deprecation_date": "2027-04-14",
         "cache_read_input_token_cost": 2.8e-08,
         "input_cost_per_token": 1.1e-07,
         "input_cost_per_token_batches": 5.5e-08,