diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 2b8abe9dc3f..02b3cde217a 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -6431,23 +6431,23 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/gpt-5.6-terra": {
-        "cache_read_input_token_cost": 2.5e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 5e-07,
-        "cache_read_input_token_cost_priority": 5e-07,
-        "cache_read_input_token_cost_above_272k_tokens_priority": 1e-06,
-        "input_cost_per_token": 2.5e-06,
-        "input_cost_per_token_above_272k_tokens": 5e-06,
-        "input_cost_per_token_priority": 5e-06,
-        "input_cost_per_token_above_272k_tokens_priority": 1e-05,
+        "cache_read_input_token_cost": 2e-07,
+        "cache_read_input_token_cost_above_272k_tokens": 4e-07,
+        "cache_read_input_token_cost_priority": 4e-07,
+        "cache_read_input_token_cost_above_272k_tokens_priority": 8e-07,
+        "input_cost_per_token": 2e-06,
+        "input_cost_per_token_above_272k_tokens": 4e-06,
+        "input_cost_per_token_priority": 4e-06,
+        "input_cost_per_token_above_272k_tokens_priority": 8e-06,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 1.5e-05,
-        "output_cost_per_token_above_272k_tokens": 2.25e-05,
-        "output_cost_per_token_priority": 3e-05,
-        "output_cost_per_token_above_272k_tokens_priority": 4.5e-05,
+        "output_cost_per_token": 1.2e-05,
+        "output_cost_per_token_above_272k_tokens": 1.8e-05,
+        "output_cost_per_token_priority": 2.4e-05,
+        "output_cost_per_token_above_272k_tokens_priority": 3.6e-05,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6476,23 +6476,23 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/gpt-5.6-luna": {
-        "cache_read_input_token_cost": 1e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 2e-07,
-        "cache_read_input_token_cost_priority": 2e-07,
-        "cache_read_input_token_cost_above_272k_tokens_priority": 4e-07,
-        "input_cost_per_token": 1e-06,
-        "input_cost_per_token_above_272k_tokens": 2e-06,
-        "input_cost_per_token_priority": 2e-06,
-        "input_cost_per_token_above_272k_tokens_priority": 4e-06,
+        "cache_read_input_token_cost": 2e-08,
+        "cache_read_input_token_cost_above_272k_tokens": 4e-08,
+        "cache_read_input_token_cost_priority": 4e-08,
+        "cache_read_input_token_cost_above_272k_tokens_priority": 8e-08,
+        "input_cost_per_token": 2e-07,
+        "input_cost_per_token_above_272k_tokens": 4e-07,
+        "input_cost_per_token_priority": 4e-07,
+        "input_cost_per_token_above_272k_tokens_priority": 8e-07,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 6e-06,
-        "output_cost_per_token_above_272k_tokens": 9e-06,
-        "output_cost_per_token_priority": 1.2e-05,
-        "output_cost_per_token_above_272k_tokens_priority": 1.8e-05,
+        "output_cost_per_token": 1.2e-06,
+        "output_cost_per_token_above_272k_tokens": 1.8e-06,
+        "output_cost_per_token_priority": 2.4e-06,
+        "output_cost_per_token_above_272k_tokens_priority": 3.6e-06,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6605,20 +6605,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/us/gpt-5.6-terra": {
-        "cache_read_input_token_cost": 2.75e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 5.5e-07,
-        "cache_read_input_token_cost_priority": 6.875e-07,
-        "input_cost_per_token": 2.75e-06,
-        "input_cost_per_token_above_272k_tokens": 5.5e-06,
-        "input_cost_per_token_priority": 6.875e-06,
+        "cache_read_input_token_cost": 2.2e-07,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-07,
+        "cache_read_input_token_cost_priority": 5.5e-07,
+        "input_cost_per_token": 2.2e-06,
+        "input_cost_per_token_above_272k_tokens": 4.4e-06,
+        "input_cost_per_token_priority": 5.5e-06,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 1.65e-05,
-        "output_cost_per_token_above_272k_tokens": 2.475e-05,
-        "output_cost_per_token_priority": 4.125e-05,
+        "output_cost_per_token": 1.32e-05,
+        "output_cost_per_token_above_272k_tokens": 1.98e-05,
+        "output_cost_per_token_priority": 3.3e-05,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6647,20 +6647,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/us/gpt-5.6-luna": {
-        "cache_read_input_token_cost": 1.1e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 2.2e-07,
-        "cache_read_input_token_cost_priority": 2.75e-07,
-        "input_cost_per_token": 1.1e-06,
-        "input_cost_per_token_above_272k_tokens": 2.2e-06,
-        "input_cost_per_token_priority": 2.75e-06,
+        "cache_read_input_token_cost": 2.2e-08,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-08,
+        "cache_read_input_token_cost_priority": 5.5e-08,
+        "input_cost_per_token": 2.2e-07,
+        "input_cost_per_token_above_272k_tokens": 4.4e-07,
+        "input_cost_per_token_priority": 5.5e-07,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 6.6e-06,
-        "output_cost_per_token_above_272k_tokens": 9.9e-06,
-        "output_cost_per_token_priority": 1.65e-05,
+        "output_cost_per_token": 1.32e-06,
+        "output_cost_per_token_above_272k_tokens": 1.98e-06,
+        "output_cost_per_token_priority": 3.3e-06,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6773,20 +6773,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/eu/gpt-5.6-terra": {
-        "cache_read_input_token_cost": 2.75e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 5.5e-07,
-        "cache_read_input_token_cost_priority": 6.875e-07,
-        "input_cost_per_token": 2.75e-06,
-        "input_cost_per_token_above_272k_tokens": 5.5e-06,
-        "input_cost_per_token_priority": 6.875e-06,
+        "cache_read_input_token_cost": 2.2e-07,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-07,
+        "cache_read_input_token_cost_priority": 5.5e-07,
+        "input_cost_per_token": 2.2e-06,
+        "input_cost_per_token_above_272k_tokens": 4.4e-06,
+        "input_cost_per_token_priority": 5.5e-06,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 1.65e-05,
-        "output_cost_per_token_above_272k_tokens": 2.475e-05,
-        "output_cost_per_token_priority": 4.125e-05,
+        "output_cost_per_token": 1.32e-05,
+        "output_cost_per_token_above_272k_tokens": 1.98e-05,
+        "output_cost_per_token_priority": 3.3e-05,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6815,20 +6815,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/eu/gpt-5.6-luna": {
-        "cache_read_input_token_cost": 1.1e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 2.2e-07,
-        "cache_read_input_token_cost_priority": 2.75e-07,
-        "input_cost_per_token": 1.1e-06,
-        "input_cost_per_token_above_272k_tokens": 2.2e-06,
-        "input_cost_per_token_priority": 2.75e-06,
+        "cache_read_input_token_cost": 2.2e-08,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-08,
+        "cache_read_input_token_cost_priority": 5.5e-08,
+        "input_cost_per_token": 2.2e-07,
+        "input_cost_per_token_above_272k_tokens": 4.4e-07,
+        "input_cost_per_token_priority": 5.5e-07,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 6.6e-06,
-        "output_cost_per_token_above_272k_tokens": 9.9e-06,
-        "output_cost_per_token_priority": 1.65e-05,
+        "output_cost_per_token": 1.32e-06,
+        "output_cost_per_token_above_272k_tokens": 1.98e-06,
+        "output_cost_per_token_priority": 3.3e-06,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 4cfc4206f85..bc7330ec99c 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -6431,23 +6431,23 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/gpt-5.6-terra": {
-        "cache_read_input_token_cost": 2.5e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 5e-07,
-        "cache_read_input_token_cost_priority": 5e-07,
-        "cache_read_input_token_cost_above_272k_tokens_priority": 1e-06,
-        "input_cost_per_token": 2.5e-06,
-        "input_cost_per_token_above_272k_tokens": 5e-06,
-        "input_cost_per_token_priority": 5e-06,
-        "input_cost_per_token_above_272k_tokens_priority": 1e-05,
+        "cache_read_input_token_cost": 2e-07,
+        "cache_read_input_token_cost_above_272k_tokens": 4e-07,
+        "cache_read_input_token_cost_priority": 4e-07,
+        "cache_read_input_token_cost_above_272k_tokens_priority": 8e-07,
+        "input_cost_per_token": 2e-06,
+        "input_cost_per_token_above_272k_tokens": 4e-06,
+        "input_cost_per_token_priority": 4e-06,
+        "input_cost_per_token_above_272k_tokens_priority": 8e-06,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 1.5e-05,
-        "output_cost_per_token_above_272k_tokens": 2.25e-05,
-        "output_cost_per_token_priority": 3e-05,
-        "output_cost_per_token_above_272k_tokens_priority": 4.5e-05,
+        "output_cost_per_token": 1.2e-05,
+        "output_cost_per_token_above_272k_tokens": 1.8e-05,
+        "output_cost_per_token_priority": 2.4e-05,
+        "output_cost_per_token_above_272k_tokens_priority": 3.6e-05,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6476,23 +6476,23 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/gpt-5.6-luna": {
-        "cache_read_input_token_cost": 1e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 2e-07,
-        "cache_read_input_token_cost_priority": 2e-07,
-        "cache_read_input_token_cost_above_272k_tokens_priority": 4e-07,
-        "input_cost_per_token": 1e-06,
-        "input_cost_per_token_above_272k_tokens": 2e-06,
-        "input_cost_per_token_priority": 2e-06,
-        "input_cost_per_token_above_272k_tokens_priority": 4e-06,
+        "cache_read_input_token_cost": 2e-08,
+        "cache_read_input_token_cost_above_272k_tokens": 4e-08,
+        "cache_read_input_token_cost_priority": 4e-08,
+        "cache_read_input_token_cost_above_272k_tokens_priority": 8e-08,
+        "input_cost_per_token": 2e-07,
+        "input_cost_per_token_above_272k_tokens": 4e-07,
+        "input_cost_per_token_priority": 4e-07,
+        "input_cost_per_token_above_272k_tokens_priority": 8e-07,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 6e-06,
-        "output_cost_per_token_above_272k_tokens": 9e-06,
-        "output_cost_per_token_priority": 1.2e-05,
-        "output_cost_per_token_above_272k_tokens_priority": 1.8e-05,
+        "output_cost_per_token": 1.2e-06,
+        "output_cost_per_token_above_272k_tokens": 1.8e-06,
+        "output_cost_per_token_priority": 2.4e-06,
+        "output_cost_per_token_above_272k_tokens_priority": 3.6e-06,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6605,20 +6605,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/us/gpt-5.6-terra": {
-        "cache_read_input_token_cost": 2.75e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 5.5e-07,
-        "cache_read_input_token_cost_priority": 6.875e-07,
-        "input_cost_per_token": 2.75e-06,
-        "input_cost_per_token_above_272k_tokens": 5.5e-06,
-        "input_cost_per_token_priority": 6.875e-06,
+        "cache_read_input_token_cost": 2.2e-07,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-07,
+        "cache_read_input_token_cost_priority": 5.5e-07,
+        "input_cost_per_token": 2.2e-06,
+        "input_cost_per_token_above_272k_tokens": 4.4e-06,
+        "input_cost_per_token_priority": 5.5e-06,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 1.65e-05,
-        "output_cost_per_token_above_272k_tokens": 2.475e-05,
-        "output_cost_per_token_priority": 4.125e-05,
+        "output_cost_per_token": 1.32e-05,
+        "output_cost_per_token_above_272k_tokens": 1.98e-05,
+        "output_cost_per_token_priority": 3.3e-05,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6647,20 +6647,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/us/gpt-5.6-luna": {
-        "cache_read_input_token_cost": 1.1e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 2.2e-07,
-        "cache_read_input_token_cost_priority": 2.75e-07,
-        "input_cost_per_token": 1.1e-06,
-        "input_cost_per_token_above_272k_tokens": 2.2e-06,
-        "input_cost_per_token_priority": 2.75e-06,
+        "cache_read_input_token_cost": 2.2e-08,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-08,
+        "cache_read_input_token_cost_priority": 5.5e-08,
+        "input_cost_per_token": 2.2e-07,
+        "input_cost_per_token_above_272k_tokens": 4.4e-07,
+        "input_cost_per_token_priority": 5.5e-07,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 6.6e-06,
-        "output_cost_per_token_above_272k_tokens": 9.9e-06,
-        "output_cost_per_token_priority": 1.65e-05,
+        "output_cost_per_token": 1.32e-06,
+        "output_cost_per_token_above_272k_tokens": 1.98e-06,
+        "output_cost_per_token_priority": 3.3e-06,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6773,20 +6773,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/eu/gpt-5.6-terra": {
-        "cache_read_input_token_cost": 2.75e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 5.5e-07,
-        "cache_read_input_token_cost_priority": 6.875e-07,
-        "input_cost_per_token": 2.75e-06,
-        "input_cost_per_token_above_272k_tokens": 5.5e-06,
-        "input_cost_per_token_priority": 6.875e-06,
+        "cache_read_input_token_cost": 2.2e-07,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-07,
+        "cache_read_input_token_cost_priority": 5.5e-07,
+        "input_cost_per_token": 2.2e-06,
+        "input_cost_per_token_above_272k_tokens": 4.4e-06,
+        "input_cost_per_token_priority": 5.5e-06,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 1.65e-05,
-        "output_cost_per_token_above_272k_tokens": 2.475e-05,
-        "output_cost_per_token_priority": 4.125e-05,
+        "output_cost_per_token": 1.32e-05,
+        "output_cost_per_token_above_272k_tokens": 1.98e-05,
+        "output_cost_per_token_priority": 3.3e-05,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
@@ -6815,20 +6815,20 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/eu/gpt-5.6-luna": {
-        "cache_read_input_token_cost": 1.1e-07,
-        "cache_read_input_token_cost_above_272k_tokens": 2.2e-07,
-        "cache_read_input_token_cost_priority": 2.75e-07,
-        "input_cost_per_token": 1.1e-06,
-        "input_cost_per_token_above_272k_tokens": 2.2e-06,
-        "input_cost_per_token_priority": 2.75e-06,
+        "cache_read_input_token_cost": 2.2e-08,
+        "cache_read_input_token_cost_above_272k_tokens": 4.4e-08,
+        "cache_read_input_token_cost_priority": 5.5e-08,
+        "input_cost_per_token": 2.2e-07,
+        "input_cost_per_token_above_272k_tokens": 4.4e-07,
+        "input_cost_per_token_priority": 5.5e-07,
         "litellm_provider": "azure",
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
         "mode": "chat",
-        "output_cost_per_token": 6.6e-06,
-        "output_cost_per_token_above_272k_tokens": 9.9e-06,
-        "output_cost_per_token_priority": 1.65e-05,
+        "output_cost_per_token": 1.32e-06,
+        "output_cost_per_token_above_272k_tokens": 1.98e-06,
+        "output_cost_per_token_priority": 3.3e-06,
         "supported_endpoints": [
             "/v1/chat/completions",
             "/v1/batch",
diff --git a/tests/test_litellm/litellm_core_utils/llm_cost_calc/test_llm_cost_calc_utils.py b/tests/test_litellm/litellm_core_utils/llm_cost_calc/test_llm_cost_calc_utils.py
index fbdf9b64bc0..9145e5dc76d 100644
--- a/tests/test_litellm/litellm_core_utils/llm_cost_calc/test_llm_cost_calc_utils.py
+++ b/tests/test_litellm/litellm_core_utils/llm_cost_calc/test_llm_cost_calc_utils.py
@@ -757,11 +757,11 @@ def test_generic_cost_per_token_gpt56_terra_cache_costs_by_tier_and_context(
     [
         ("azure/gpt-5.6", 5e-6, 3e-5, 5e-7),
         ("azure/gpt-5.6-sol", 5e-6, 3e-5, 5e-7),
-        ("azure/gpt-5.6-terra", 2.5e-6, 1.5e-5, 2.5e-7),
-        ("azure/gpt-5.6-luna", 1e-6, 6e-6, 1e-7),
+        ("azure/gpt-5.6-terra", 2e-6, 1.2e-5, 2e-7),
+        ("azure/gpt-5.6-luna", 2e-7, 1.2e-6, 2e-8),
         ("azure/us/gpt-5.6", 5.5e-6, 3.3e-5, 5.5e-7),
-        ("azure/eu/gpt-5.6-terra", 2.75e-6, 1.65e-5, 2.75e-7),
-        ("azure/eu/gpt-5.6-luna", 1.1e-6, 6.6e-6, 1.1e-7),
+        ("azure/eu/gpt-5.6-terra", 2.2e-6, 1.32e-5, 2.2e-7),
+        ("azure/eu/gpt-5.6-luna", 2.2e-7, 1.32e-6, 2.2e-8),
     ],
 )
 def test_generic_cost_per_token_azure_gpt56(