diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index a6f59abc140..cdd5f963c24 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -29857,6 +29857,126 @@
         "supports_vision": true,
         "supports_xhigh_reasoning_effort": true
     },
+    "openrouter/anthropic/claude-sonnet-5": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 2.5e-06,
+        "cache_read_input_token_cost": 2e-07,
+        "input_cost_per_token": 2e-06,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 1e-05,
+        "source": "https://openrouter.ai/anthropic/claude-sonnet-5",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-opus-4.8": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 6.25e-06,
+        "cache_read_input_token_cost": 5e-07,
+        "input_cost_per_token": 5e-06,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 2.5e-05,
+        "source": "https://openrouter.ai/anthropic/claude-opus-4.8",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-opus-4.8-fast": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 1.25e-05,
+        "cache_read_input_token_cost": 1e-06,
+        "input_cost_per_token": 1e-05,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 5e-05,
+        "source": "https://openrouter.ai/anthropic/claude-opus-4.8-fast",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-opus-4.7-fast": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 3.75e-05,
+        "cache_read_input_token_cost": 3e-06,
+        "input_cost_per_token": 3e-05,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 1.5e-04,
+        "source": "https://openrouter.ai/anthropic/claude-opus-4.7-fast",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-fable-5": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 1.25e-05,
+        "cache_read_input_token_cost": 1e-06,
+        "input_cost_per_token": 1e-05,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 5e-05,
+        "source": "https://openrouter.ai/anthropic/claude-fable-5",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
     "openrouter/bytedance/ui-tars-1.5-7b": {
         "input_cost_per_token": 1e-07,
         "litellm_provider": "openrouter",
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 08a452be844..68a0943ed18 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -29932,6 +29932,126 @@
         "supports_vision": true,
         "supports_xhigh_reasoning_effort": true
     },
+    "openrouter/anthropic/claude-sonnet-5": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 2.5e-06,
+        "cache_read_input_token_cost": 2e-07,
+        "input_cost_per_token": 2e-06,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 1e-05,
+        "source": "https://openrouter.ai/anthropic/claude-sonnet-5",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-opus-4.8": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 6.25e-06,
+        "cache_read_input_token_cost": 5e-07,
+        "input_cost_per_token": 5e-06,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 2.5e-05,
+        "source": "https://openrouter.ai/anthropic/claude-opus-4.8",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-opus-4.8-fast": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 1.25e-05,
+        "cache_read_input_token_cost": 1e-06,
+        "input_cost_per_token": 1e-05,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 5e-05,
+        "source": "https://openrouter.ai/anthropic/claude-opus-4.8-fast",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-opus-4.7-fast": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 3.75e-05,
+        "cache_read_input_token_cost": 3e-06,
+        "input_cost_per_token": 3e-05,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 1.5e-04,
+        "source": "https://openrouter.ai/anthropic/claude-opus-4.7-fast",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
+    "openrouter/anthropic/claude-fable-5": {
+        "supports_adaptive_thinking": true,
+        "cache_creation_input_token_cost": 1.25e-05,
+        "cache_read_input_token_cost": 1e-06,
+        "input_cost_per_token": 1e-05,
+        "litellm_provider": "openrouter",
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "chat",
+        "output_cost_per_token": 5e-05,
+        "source": "https://openrouter.ai/anthropic/claude-fable-5",
+        "supports_assistant_prefill": false,
+        "supports_computer_use": true,
+        "supports_function_calling": true,
+        "supports_pdf_input": true,
+        "supports_prompt_caching": true,
+        "supports_reasoning": true,
+        "supports_response_schema": true,
+        "supports_max_reasoning_effort": true,
+        "supports_tool_choice": true,
+        "supports_vision": true,
+        "supports_xhigh_reasoning_effort": true
+    },
     "openrouter/bytedance/ui-tars-1.5-7b": {
         "input_cost_per_token": 1e-07,
         "litellm_provider": "openrouter",
diff --git a/tests/test_litellm/litellm_core_utils/test_get_model_cost_map.py b/tests/test_litellm/litellm_core_utils/test_get_model_cost_map.py
index 1a38b5dc769..1be0b8a0096 100644
--- a/tests/test_litellm/litellm_core_utils/test_get_model_cost_map.py
+++ b/tests/test_litellm/litellm_core_utils/test_get_model_cost_map.py
@@ -209,3 +209,29 @@ def test_shipped_backup_marks_claude_4_6_plus_adaptive_not_4_0():
         "claude-opus-4-5",
     ]:
         assert "supports_adaptive_thinking" not in backup[non_adaptive], non_adaptive
+
+
+def test_shipped_backup_has_current_openrouter_claude_routes():
+    """Regression for #33068: the current OpenRouter Claude routes (sonnet 5,
+    opus 4.8, opus 4.8-fast, opus 4.7-fast, fable 5) must ship in the bundled
+    backup with the pricing and token limits OpenRouter actually serves.
+    Without these entries litellm resolves no cost or context window for them,
+    so cost tracking silently reports nothing and get_model_info raises."""
+    backup = GetModelCostMap.load_local_model_cost_map()
+
+    expected = {
+        "openrouter/anthropic/claude-sonnet-5": (2e-06, 1e-05),
+        "openrouter/anthropic/claude-opus-4.8": (5e-06, 2.5e-05),
+        "openrouter/anthropic/claude-opus-4.8-fast": (1e-05, 5e-05),
+        "openrouter/anthropic/claude-opus-4.7-fast": (3e-05, 1.5e-04),
+        "openrouter/anthropic/claude-fable-5": (1e-05, 5e-05),
+    }
+
+    for model, (input_cost, output_cost) in expected.items():
+        entry = backup[model]
+        assert entry["litellm_provider"] == "openrouter", model
+        assert entry["input_cost_per_token"] == input_cost, model
+        assert entry["output_cost_per_token"] == output_cost, model
+        assert entry["max_input_tokens"] == 1000000, model
+        assert entry["max_output_tokens"] == 128000, model
+        assert entry["max_tokens"] == 128000, model