diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 2b8abe9dc3f0..aec14d75b15f 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -6341,6 +6341,9 @@
         "supports_web_search": true
     },
     "azure/gpt-5.6": {
+        "cache_creation_input_token_cost": 6.25e-06,
+        "cache_creation_input_token_cost_above_272k_tokens": 1.25e-05,
+        "cache_creation_input_token_cost_priority": 1.25e-05,
         "cache_read_input_token_cost": 5e-07,
         "cache_read_input_token_cost_above_272k_tokens": 1e-06,
         "cache_read_input_token_cost_priority": 1e-06,
@@ -6386,6 +6389,9 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/gpt-5.6-sol": {
+        "cache_creation_input_token_cost": 6.25e-06,
+        "cache_creation_input_token_cost_above_272k_tokens": 1.25e-05,
+        "cache_creation_input_token_cost_priority": 1.25e-05,
         "cache_read_input_token_cost": 5e-07,
         "cache_read_input_token_cost_above_272k_tokens": 1e-06,
         "cache_read_input_token_cost_priority": 1e-06,
@@ -6431,23 +6437,24 @@
         "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_creation_input_token_cost": 2.5e-06,
+        "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 +6483,24 @@
         "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_creation_input_token_cost": 2.5e-07,
+        "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 +6613,20 @@
         "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 +6655,20 @@
         "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 +6781,20 @@
         "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 +6823,20 @@
         "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 4cfc4206f851..0d99dadb68ff 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -6341,6 +6341,9 @@
         "supports_web_search": true
     },
     "azure/gpt-5.6": {
+        "cache_creation_input_token_cost": 6.25e-06,
+        "cache_creation_input_token_cost_above_272k_tokens": 1.25e-05,
+        "cache_creation_input_token_cost_priority": 1.25e-05,
         "cache_read_input_token_cost": 5e-07,
         "cache_read_input_token_cost_above_272k_tokens": 1e-06,
         "cache_read_input_token_cost_priority": 1e-06,
@@ -6386,6 +6389,9 @@
         "supports_minimal_reasoning_effort": false
     },
     "azure/gpt-5.6-sol": {
+        "cache_creation_input_token_cost": 6.25e-06,
+        "cache_creation_input_token_cost_above_272k_tokens": 1.25e-05,
+        "cache_creation_input_token_cost_priority": 1.25e-05,
         "cache_read_input_token_cost": 5e-07,
         "cache_read_input_token_cost_above_272k_tokens": 1e-06,
         "cache_read_input_token_cost_priority": 1e-06,
@@ -6431,23 +6437,24 @@
         "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_creation_input_token_cost": 2.5e-06,
+        "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 +6483,24 @@
         "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_creation_input_token_cost": 2.5e-07,
+        "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 +6613,20 @@
         "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 +6655,20 @@
         "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 +6781,20 @@
         "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 +6823,20 @@
         "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 fbdf9b64bc04..55a6019210ab 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(
@@ -795,6 +795,51 @@ def test_generic_cost_per_token_azure_gpt56(
     assert round(completion_cost, 10) == round(output_cost * completion_tokens, 10)
 
 
+@pytest.mark.parametrize(
+    "model",
+    [
+        "azure/gpt-5.6",
+        "azure/gpt-5.6-sol",
+    ],
+)
+def test_generic_cost_per_token_azure_gpt56_sol_cache_write(model):
+    """Azure Sol cache-write rate from the Foundry pricing table ($6.25/M)."""
+    os.environ["LITELLM_LOCAL_MODEL_COST_MAP"] = "True"
+    litellm.model_cost = litellm.get_model_cost_map(url="")
+
+    cache_write_rate = 6.25e-6
+    cache_read_rate = 5e-7
+    input_rate = 5e-6
+    model_cost_map = litellm.model_cost[model]
+    assert model_cost_map["cache_creation_input_token_cost"] == cache_write_rate
+    assert model_cost_map["cache_creation_input_token_cost_above_272k_tokens"] == 1.25e-5
+    assert model_cost_map["cache_creation_input_token_cost_priority"] == 1.25e-5
+
+    cached_tokens = 50000
+    cache_write_tokens = 40000
+    prompt_tokens = 100000
+    text_tokens = prompt_tokens - cached_tokens - cache_write_tokens
+    usage = Usage(
+        prompt_tokens=prompt_tokens,
+        completion_tokens=100,
+        total_tokens=prompt_tokens + 100,
+        prompt_tokens_details=PromptTokensDetailsWrapper(
+            cached_tokens=cached_tokens, cache_write_tokens=cache_write_tokens
+        ),
+    )
+    prompt_cost, _ = generic_cost_per_token(
+        model=model,
+        usage=usage,
+        custom_llm_provider="azure",
+    )
+    expected_prompt_cost = (
+        text_tokens * input_rate
+        + cached_tokens * cache_read_rate
+        + cache_write_tokens * cache_write_rate
+    )
+    assert prompt_cost == pytest.approx(expected_prompt_cost)
+
+
 @pytest.mark.parametrize(
     "model,expected_none,expected_xhigh,expected_minimal",
     [