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fix: update deprecated Anthropic default model and stop sending both temperature and top_p #430

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fix: update deprecated Anthropic default model and stop sending both temperature and top_p #430

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15 changes: 11 additions & 4 deletions python/src/agent_squad/agents/anthropic_agent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ class AnthropicAgentOptions(AgentOptions):
"""
api_key: Optional[str] = None
client: Optional[Any] = None
model_id: str = "claude-3-5-sonnet-20240620"
model_id: str = "claude-sonnet-4-20250514"
streaming: Optional[bool] = False
inference_config: Optional[dict[str, Any]] = None
retriever: Optional[Retriever] = None
Expand Down Expand Up @@ -65,7 +65,7 @@ def __init__(self, options: AnthropicAgentOptions):

self.model_id = options.model_id

default_inference_config = {"maxTokens": 1000, "temperature": 0.1, "topP": 0.9, "stopSequences": []}
default_inference_config = {"maxTokens": 1000, "temperature": 0.1, "stopSequences": []}

if options.inference_config:
self.inference_config = {**default_inference_config, **options.inference_config}
Expand Down Expand Up @@ -164,11 +164,18 @@ def _build_input(self, messages: list[Any], system_prompt: str) -> dict:
"max_tokens": self.inference_config.get("maxTokens"),
"messages": messages,
"system": system_prompt,
"temperature": self.inference_config.get("temperature"),
"top_p": self.inference_config.get("topP"),
"stop_sequences": self.inference_config.get("stopSequences"),
}

# Anthropic models do not accept both temperature and top_p.
# Only include whichever values are explicitly configured.
temperature = self.inference_config.get("temperature")
top_p = self.inference_config.get("topP")
if temperature is not None:
json_input["temperature"] = temperature
if top_p is not None:
json_input["top_p"] = top_p

# Add any additional model request fields
if self.additional_model_request_fields:
for key, value in self.additional_model_request_fields.items():
Expand Down