diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index ab36dbb6c..0f483b083 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -2796,6 +2796,18 @@
         "tool_use_system_prompt_tokens": 159,
         "supports_assistant_prefill": true
     },
+    "openrouter/anthropic/claude-3.5-sonnet:beta": {
+        "max_tokens": 4096,
+        "max_input_tokens": 200000,
+        "max_output_tokens": 4096,
+        "input_cost_per_token": 0.000003,
+        "output_cost_per_token": 0.000015,
+        "litellm_provider": "openrouter",
+        "mode": "chat",
+        "supports_function_calling": true,
+        "supports_vision": true,
+        "tool_use_system_prompt_tokens": 159
+    },
     "openrouter/anthropic/claude-3-sonnet": {
         "max_tokens": 200000,
         "input_cost_per_token": 0.000003,