Function build_model

apps/agent/src/model.py:17–29

()

def build_model() -> BaseChatModel:
    model_name = os.environ.get("LLM_MODEL", DEFAULT_MODEL)
    if model_name.startswith("gpt-"):
        # Production fallback: gpt-* names route to OpenAI so LLM_MODEL can be
        # flipped in the deploy dashboard without a code change. No max_tokens
        # override here — OpenAI's default matches pre-migration behavior.
        from langchain_openai import ChatOpenAI

        return ChatOpenAI(model=model_name)
    return ChatAnthropic(
        model=model_name,
        max_tokens=MAX_TOKENS,
    )