diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 345daa5c8a3..cc3bf192908 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -55199,6 +55199,54 @@
         "supports_response_schema": false,
         "supports_web_search": false
     },
+    "gemini/gemini-3.8-flash-tts": {
+        "cache_read_input_token_cost": 1.25e-07,
+        "cache_read_input_token_cost_batches": 6.25e-08,
+        "cache_read_input_token_cost_flex": 2.5e-08,
+        "cache_read_input_token_cost_priority": 2.25e-07,
+        "input_cost_per_token": 5e-07,
+        "input_cost_per_token_batches": 2.5e-07,
+        "input_cost_per_token_flex": 2.5e-07,
+        "input_cost_per_token_priority": 9e-07,
+        "litellm_provider": "gemini",
+        "max_input_tokens": 8192,
+        "max_output_tokens": 16384,
+        "max_tokens": 16384,
+        "mode": "audio_speech",
+        "output_cost_per_audio_token": 9e-06,
+        "output_cost_per_token": 9e-06,
+        "output_cost_per_token_batches": 4.5e-06,
+        "output_cost_per_token_flex": 4.5e-06,
+        "output_cost_per_token_priority": 1.62e-05,
+        "source": "https://ai.google.dev/gemini-api/docs/pricing",
+        "supported_endpoints": [
+            "/v1/audio/speech"
+        ]
+    },
+    "gemini/gemini-3.8-flash-lite-tts": {
+        "cache_read_input_token_cost": 1.25e-07,
+        "cache_read_input_token_cost_batches": 6.25e-08,
+        "cache_read_input_token_cost_flex": 2.5e-08,
+        "cache_read_input_token_cost_priority": 2.25e-07,
+        "input_cost_per_token": 5e-07,
+        "input_cost_per_token_batches": 2.5e-07,
+        "input_cost_per_token_flex": 2.5e-07,
+        "input_cost_per_token_priority": 9e-07,
+        "litellm_provider": "gemini",
+        "max_input_tokens": 8192,
+        "max_output_tokens": 16384,
+        "max_tokens": 16384,
+        "mode": "audio_speech",
+        "output_cost_per_audio_token": 6e-06,
+        "output_cost_per_token": 6e-06,
+        "output_cost_per_token_batches": 3e-06,
+        "output_cost_per_token_flex": 3e-06,
+        "output_cost_per_token_priority": 1.08e-05,
+        "source": "https://ai.google.dev/gemini-api/docs/pricing",
+        "supported_endpoints": [
+            "/v1/audio/speech"
+        ]
+    },
     "gemini-2.5-flash-preview-tts": {
         "input_cost_per_token": 5e-07,
         "input_cost_per_token_batches": 2.5e-07,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 345daa5c8a3..cc3bf192908 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -55199,6 +55199,54 @@
         "supports_response_schema": false,
         "supports_web_search": false
     },
+    "gemini/gemini-3.8-flash-tts": {
+        "cache_read_input_token_cost": 1.25e-07,
+        "cache_read_input_token_cost_batches": 6.25e-08,
+        "cache_read_input_token_cost_flex": 2.5e-08,
+        "cache_read_input_token_cost_priority": 2.25e-07,
+        "input_cost_per_token": 5e-07,
+        "input_cost_per_token_batches": 2.5e-07,
+        "input_cost_per_token_flex": 2.5e-07,
+        "input_cost_per_token_priority": 9e-07,
+        "litellm_provider": "gemini",
+        "max_input_tokens": 8192,
+        "max_output_tokens": 16384,
+        "max_tokens": 16384,
+        "mode": "audio_speech",
+        "output_cost_per_audio_token": 9e-06,
+        "output_cost_per_token": 9e-06,
+        "output_cost_per_token_batches": 4.5e-06,
+        "output_cost_per_token_flex": 4.5e-06,
+        "output_cost_per_token_priority": 1.62e-05,
+        "source": "https://ai.google.dev/gemini-api/docs/pricing",
+        "supported_endpoints": [
+            "/v1/audio/speech"
+        ]
+    },
+    "gemini/gemini-3.8-flash-lite-tts": {
+        "cache_read_input_token_cost": 1.25e-07,
+        "cache_read_input_token_cost_batches": 6.25e-08,
+        "cache_read_input_token_cost_flex": 2.5e-08,
+        "cache_read_input_token_cost_priority": 2.25e-07,
+        "input_cost_per_token": 5e-07,
+        "input_cost_per_token_batches": 2.5e-07,
+        "input_cost_per_token_flex": 2.5e-07,
+        "input_cost_per_token_priority": 9e-07,
+        "litellm_provider": "gemini",
+        "max_input_tokens": 8192,
+        "max_output_tokens": 16384,
+        "max_tokens": 16384,
+        "mode": "audio_speech",
+        "output_cost_per_audio_token": 6e-06,
+        "output_cost_per_token": 6e-06,
+        "output_cost_per_token_batches": 3e-06,
+        "output_cost_per_token_flex": 3e-06,
+        "output_cost_per_token_priority": 1.08e-05,
+        "source": "https://ai.google.dev/gemini-api/docs/pricing",
+        "supported_endpoints": [
+            "/v1/audio/speech"
+        ]
+    },
     "gemini-2.5-flash-preview-tts": {
         "input_cost_per_token": 5e-07,
         "input_cost_per_token_batches": 2.5e-07,
diff --git a/tests/test_litellm/test_utils.py b/tests/test_litellm/test_utils.py
index ce280cc3513..2a8b31c12cc 100644
--- a/tests/test_litellm/test_utils.py
+++ b/tests/test_litellm/test_utils.py
@@ -6142,6 +6142,8 @@ def test_get_model_info_gemini(monkeypatch):
             and "veo" not in model
             and "lyria" not in model
             and "robotics" not in model
+            and "3.8-flash-tts" not in model
+            and "3.8-flash-lite-tts" not in model
         ):
             assert info.get("tpm") is not None, f"{model} does not have tpm"
             assert info.get("rpm") is not None, f"{model} does not have rpm"