adding anthropic chat model

Author: recursix

src/agentlab/llm/chat_api.py

@@ -482,13 +482,11 @@ def __init__(
         temperature=0.5,
         max_tokens=100,
         max_retry=4,
-        log_probs=False,
     ):
         self.model_name = model_name
         self.temperature = temperature
         self.max_tokens = max_tokens
         self.max_retry = max_retry
-        self.log_probs = log_probs
 
         api_key = api_key or os.getenv("ANTHROPIC_API_KEY")
         self.client = anthropic.Anthropic(api_key=api_key)
@@ -544,5 +542,4 @@ def make_model(self):
             model_name=self.model_name,
             temperature=self.temperature,
             max_tokens=self.max_new_tokens,
-            log_probs=self.log_probs,
         )

src/agentlab/llm/llm_configs.py

@@ -1,4 +1,5 @@
 from agentlab.llm.chat_api import (
+    AnthropicModelArgs,
     AzureModelArgs,
     OpenAIModelArgs,
     OpenRouterModelArgs,
@@ -115,6 +116,12 @@
         max_new_tokens=16_384,
         vision_support=True,
     ),
+    # ---------------- Anthropic ----------------#
+    "anthropic/claude-3-7-sonnet-20250219": AnthropicModelArgs(
+        model_name="claude-3-7-sonnet-20250219",
+        max_new_tokens=16_384,
+        temperature=1e-1,
+    ),
     # ---------------- OSS LLMs ----------------#
     "meta-llama/Meta-Llama-3-70B-Instruct": SelfHostedModelArgs(
         model_name="meta-llama/Meta-Llama-3-70B-Instruct",