diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index d32adf54b5e..81b4469f24c 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -11640,6 +11640,7 @@
         "supports_tool_choice": true
     },
     "gemini-1.5-flash": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 2e-06,
         "input_cost_per_audio_per_second_above_128k_tokens": 4e-06,
         "input_cost_per_character": 1.875e-08,
@@ -11744,6 +11745,7 @@
         "supports_vision": true
     },
     "gemini-1.5-flash-exp-0827": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 2e-06,
         "input_cost_per_audio_per_second_above_128k_tokens": 4e-06,
         "input_cost_per_character": 1.875e-08,
@@ -11778,6 +11780,7 @@
         "supports_vision": true
     },
     "gemini-1.5-flash-preview-0514": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 2e-06,
         "input_cost_per_audio_per_second_above_128k_tokens": 4e-06,
         "input_cost_per_character": 1.875e-08,
@@ -11811,6 +11814,7 @@
         "supports_vision": true
     },
     "gemini-1.5-pro": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 3.125e-05,
         "input_cost_per_audio_per_second_above_128k_tokens": 6.25e-05,
         "input_cost_per_character": 3.125e-07,
@@ -11898,6 +11902,7 @@
         "supports_vision": true
     },
     "gemini-1.5-pro-preview-0215": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 3.125e-05,
         "input_cost_per_audio_per_second_above_128k_tokens": 6.25e-05,
         "input_cost_per_character": 3.125e-07,
@@ -11925,6 +11930,7 @@
         "supports_tool_choice": true
     },
     "gemini-1.5-pro-preview-0409": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 3.125e-05,
         "input_cost_per_audio_per_second_above_128k_tokens": 6.25e-05,
         "input_cost_per_character": 3.125e-07,
@@ -11951,6 +11957,7 @@
         "supports_tool_choice": true
     },
     "gemini-1.5-pro-preview-0514": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_audio_per_second": 3.125e-05,
         "input_cost_per_audio_per_second_above_128k_tokens": 6.25e-05,
         "input_cost_per_character": 3.125e-07,
@@ -12222,6 +12229,7 @@
         "tpm": 250000
     },
     "gemini-2.0-flash-preview-image-generation": {
+        "deprecation_date": "2025-11-14",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_audio_token": 7e-07,
         "input_cost_per_token": 1e-07,
@@ -12260,6 +12268,7 @@
         "supports_web_search": true
     },
     "gemini-2.0-flash-thinking-exp": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 0.0,
         "input_cost_per_audio_per_second": 0,
         "input_cost_per_audio_per_second_above_128k_tokens": 0,
@@ -12308,6 +12317,7 @@
         "supports_web_search": true
     },
     "gemini-2.0-flash-thinking-exp-01-21": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 0.0,
         "input_cost_per_audio_per_second": 0,
         "input_cost_per_audio_per_second_above_128k_tokens": 0,
@@ -12494,6 +12504,7 @@
         "tpm": 8000000
     },
     "gemini-2.5-flash-image-preview": {
+        "deprecation_date": "2026-01-15",
         "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_token": 3e-07,
@@ -12804,6 +12815,7 @@
         "tpm": 8000000
     },
     "gemini-2.5-flash-lite-preview-06-17": {
+        "deprecation_date": "2025-11-18",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_audio_token": 5e-07,
         "input_cost_per_token": 1e-07,
@@ -12893,6 +12905,7 @@
         "supports_web_search": true
     },
     "gemini-2.5-flash-preview-05-20": {
+        "deprecation_date": "2025-11-18",
         "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_token": 3e-07,
@@ -13164,6 +13177,7 @@
         "supports_web_search": true
     },
     "gemini-2.5-pro-preview-03-25": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 3.125e-07,
         "input_cost_per_audio_token": 1.25e-06,
         "input_cost_per_token": 1.25e-06,
@@ -13209,6 +13223,7 @@
         "supports_web_search": true
     },
     "gemini-2.5-pro-preview-05-06": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 3.125e-07,
         "input_cost_per_audio_token": 1.25e-06,
         "input_cost_per_token": 1.25e-06,
@@ -13424,6 +13439,7 @@
         "tpm": 10000000
     },
     "gemini/gemini-1.5-flash": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 7.5e-08,
         "input_cost_per_token_above_128k_tokens": 1.5e-07,
         "litellm_provider": "gemini",
@@ -13507,6 +13523,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-flash-8b": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 0,
         "input_cost_per_token_above_128k_tokens": 0,
         "litellm_provider": "gemini",
@@ -13533,6 +13550,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-flash-8b-exp-0827": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 0,
         "input_cost_per_token_above_128k_tokens": 0,
         "litellm_provider": "gemini",
@@ -13558,6 +13576,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-flash-8b-exp-0924": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 0,
         "input_cost_per_token_above_128k_tokens": 0,
         "litellm_provider": "gemini",
@@ -13584,6 +13603,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-flash-exp-0827": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 0,
         "input_cost_per_token_above_128k_tokens": 0,
         "litellm_provider": "gemini",
@@ -13609,6 +13629,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-flash-latest": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 7.5e-08,
         "input_cost_per_token_above_128k_tokens": 1.5e-07,
         "litellm_provider": "gemini",
@@ -13635,6 +13656,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-pro": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 3.5e-06,
         "input_cost_per_token_above_128k_tokens": 7e-06,
         "litellm_provider": "gemini",
@@ -13696,6 +13718,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-pro-exp-0801": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 3.5e-06,
         "input_cost_per_token_above_128k_tokens": 7e-06,
         "litellm_provider": "gemini",
@@ -13715,6 +13738,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-pro-exp-0827": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 0,
         "input_cost_per_token_above_128k_tokens": 0,
         "litellm_provider": "gemini",
@@ -13734,6 +13758,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-1.5-pro-latest": {
+        "deprecation_date": "2025-09-29",
         "input_cost_per_token": 3.5e-06,
         "input_cost_per_token_above_128k_tokens": 7e-06,
         "litellm_provider": "gemini",
@@ -13916,6 +13941,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-2.0-flash-lite-preview-02-05": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 1.875e-08,
         "input_cost_per_audio_token": 7.5e-08,
         "input_cost_per_token": 7.5e-08,
@@ -13953,6 +13979,7 @@
         "tpm": 10000000
     },
     "gemini/gemini-2.0-flash-live-001": {
+        "deprecation_date": "2025-12-09",
         "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_audio_token": 2.1e-06,
         "input_cost_per_image": 2.1e-06,
@@ -14001,6 +14028,7 @@
         "tpm": 250000
     },
     "gemini/gemini-2.0-flash-preview-image-generation": {
+        "deprecation_date": "2025-11-14",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_audio_token": 7e-07,
         "input_cost_per_token": 1e-07,
@@ -14040,6 +14068,7 @@
         "tpm": 10000000
     },
     "gemini/gemini-2.0-flash-thinking-exp": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 0.0,
         "input_cost_per_audio_per_second": 0,
         "input_cost_per_audio_per_second_above_128k_tokens": 0,
@@ -14089,6 +14118,7 @@
         "tpm": 4000000
     },
     "gemini/gemini-2.0-flash-thinking-exp-01-21": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 0.0,
         "input_cost_per_audio_per_second": 0,
         "input_cost_per_audio_per_second_above_128k_tokens": 0,
@@ -14277,6 +14307,7 @@
         "tpm": 8000000
     },
     "gemini/gemini-2.5-flash-image-preview": {
+        "deprecation_date": "2026-01-15",
         "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_token": 3e-07,
@@ -14597,6 +14628,7 @@
         "tpm": 250000
     },
     "gemini/gemini-2.5-flash-lite-preview-06-17": {
+        "deprecation_date": "2025-11-18",
         "cache_read_input_token_cost": 2.5e-08,
         "input_cost_per_audio_token": 5e-07,
         "input_cost_per_token": 1e-07,
@@ -14688,6 +14720,7 @@
         "tpm": 250000
     },
     "gemini/gemini-2.5-flash-preview-05-20": {
+        "deprecation_date": "2025-11-18",
         "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_token": 3e-07,
@@ -15034,6 +15067,7 @@
         "tpm": 250000
     },
     "gemini/gemini-2.5-pro-preview-03-25": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 3.125e-07,
         "input_cost_per_audio_token": 7e-07,
         "input_cost_per_token": 1.25e-06,
@@ -15074,6 +15108,7 @@
         "tpm": 10000000
     },
     "gemini/gemini-2.5-pro-preview-05-06": {
+        "deprecation_date": "2025-12-02",
         "cache_read_input_token_cost": 3.125e-07,
         "input_cost_per_audio_token": 7e-07,
         "input_cost_per_token": 1.25e-06,
@@ -15349,6 +15384,7 @@
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
     "gemini/imagen-3.0-generate-002": {
+        "deprecation_date": "2025-11-10",
         "litellm_provider": "gemini",
         "mode": "image_generation",
         "output_cost_per_image": 0.04,
@@ -15415,6 +15451,7 @@
         ]
     },
     "gemini/veo-3.0-fast-generate-preview": {
+        "deprecation_date": "2025-11-12",
         "litellm_provider": "gemini",
         "max_input_tokens": 1024,
         "max_tokens": 1024,
@@ -15429,6 +15466,7 @@
         ]
     },
     "gemini/veo-3.0-generate-preview": {
+        "deprecation_date": "2025-11-12",
         "litellm_provider": "gemini",
         "max_input_tokens": 1024,
         "max_tokens": 1024,
@@ -25126,6 +25164,7 @@
         "source": "https://docs.mistral.ai/capabilities/code_generation/"
     },
     "text-embedding-004": {
+        "deprecation_date": "2026-01-14",
         "input_cost_per_character": 2.5e-08,
         "input_cost_per_token": 1e-07,
         "litellm_provider": "vertex_ai-embedding-models",
@@ -27896,6 +27935,7 @@
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
     "vertex_ai/imagen-3.0-generate-002": {
+        "deprecation_date": "2025-11-10",
         "litellm_provider": "vertex_ai-image-models",
         "mode": "image_generation",
         "output_cost_per_image": 0.04,
@@ -28406,6 +28446,7 @@
         ]
     },
     "vertex_ai/veo-3.0-fast-generate-preview": {
+        "deprecation_date": "2025-11-12",
         "litellm_provider": "vertex_ai-video-models",
         "max_input_tokens": 1024,
         "max_tokens": 1024,
@@ -28420,6 +28461,7 @@
         ]
     },
     "vertex_ai/veo-3.0-generate-preview": {
+        "deprecation_date": "2025-11-12",
         "litellm_provider": "vertex_ai-video-models",
         "max_input_tokens": 1024,
         "max_tokens": 1024,
diff --git a/requirements.txt b/requirements.txt
index 06a7c17336c..5669cbda277 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,7 @@ jsonschema>=4.23.0,<5.0.0 # validating json schema - aligned with openapi-core +
 websockets==13.1.0 # for realtime API
 soundfile==0.12.1 # for audio file processing
 openapi-core==0.21.0 # for OpenAPI compliance tests
-
+a2a-sdk[http-server]>=0.3.0 # for A2A server
 ########################
 # LITELLM ENTERPRISE DEPENDENCIES
 ########################