Register orcarouter-adaptive model pool in name + cost registries

Add prefix→bare mappings (universal_model_names.py) and cost entries
(model_cost/model_cost.json) for the 5 pool models not already present.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: ZhenghuaBao

model_cost/model_cost.json

@@ -238,6 +238,26 @@
   "openai/gpt-4o": {
     "input_token_price_per_million": 2.5,
     "output_token_price_per_million": 10.0
+  },
+  "claude-haiku-4-5-20251001": {
+    "input_token_price_per_million": 1.0,
+    "output_token_price_per_million": 5.0
+  },
+  "claude-sonnet-4": {
+    "input_token_price_per_million": 3.0,
+    "output_token_price_per_million": 15.0
+  },
+  "deepseek-chat": {
+    "input_token_price_per_million": 0.27,
+    "output_token_price_per_million": 1.10
+  },
+  "qwen3-235b-a22b-instruct-2507": {
+    "input_token_price_per_million": 0.50,
+    "output_token_price_per_million": 2.00
+  },
+  "qwen3-30b-a3b-instruct-2507": {
+    "input_token_price_per_million": 0.15,
+    "output_token_price_per_million": 0.60
   }
 
 }

universal_model_names.py

@@ -92,11 +92,30 @@
     "qwen/qwen3.5-flash-02-23",
     "deepseek/deepseek-v4-flash",
     "moonshotai/kimi-k2.5",
+    # OrcaRouter pool additions
+    "claude-sonnet-4",
+    "claude-haiku-4-5-20251001",
+    "deepseek-chat",
+    "deepseek-reasoner",
+    "gemini-2.5-flash-lite",
+    "qwen3-235b-a22b-instruct-2507",
+    "qwen3-30b-a3b-instruct-2507",
 ]
 
 
 mapping: dict[str, str] = {
     # this mapping is for the model names in your config file to be converted to universal model names that is supported in our pipeline.
+    # OrcaRouter provider-prefixed → bare forms (used by arena-eval pipeline)
+    "anthropic/claude-sonnet-4": "claude-sonnet-4",
+    "anthropic/claude-haiku-4-5-20251001": "claude-haiku-4-5-20251001",
+    "deepseek/deepseek-chat": "deepseek-chat",
+    "deepseek/deepseek-reasoner": "deepseek-reasoner",
+    "google/gemini-2.5-flash": "gemini-2.5-flash",
+    "google/gemini-2.5-flash-lite": "gemini-2.5-flash-lite",
+    "openai/gpt-4o-mini": "gpt-4o-mini",
+    "openai/gpt-5-mini": "gpt-5-mini",
+    "alibaba/qwen3-235b-a22b-instruct-2507": "qwen3-235b-a22b-instruct-2507",
+    "alibaba/qwen3-30b-a3b-instruct-2507": "qwen3-30b-a3b-instruct-2507",
 }