_use_responses_api() — langchain Function Reference

Architecture documentation for the _use_responses_api() function in base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase calls 2 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ _use_responses_api() — langchain Function Reference

Dependency Diagram

graph TD
  b361240a_f3ce_9c3b_a1c7_b266eab54259["_use_responses_api()"]
  2b046911_ea21_8e2e_ba0d_9d03da8d7bda["base.py"]
  b361240a_f3ce_9c3b_a1c7_b266eab54259 -->|defined in| 2b046911_ea21_8e2e_ba0d_9d03da8d7bda
  e9866be0_b078_31ff_4159_1d040978b7e3["_use_responses_api()"]
  e9866be0_b078_31ff_4159_1d040978b7e3 -->|calls| b361240a_f3ce_9c3b_a1c7_b266eab54259
  e9866be0_b078_31ff_4159_1d040978b7e3["_use_responses_api()"]
  b361240a_f3ce_9c3b_a1c7_b266eab54259 -->|calls| e9866be0_b078_31ff_4159_1d040978b7e3
  ef893b92_c10c_5b65_ccbd_7ffc6ceb39c2["_is_builtin_tool()"]
  b361240a_f3ce_9c3b_a1c7_b266eab54259 -->|calls| ef893b92_c10c_5b65_ccbd_7ffc6ceb39c2
  style b361240a_f3ce_9c3b_a1c7_b266eab54259 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/openai/langchain_openai/chat_models/base.py lines 3815–3826

def _use_responses_api(payload: dict) -> bool:
    uses_builtin_tools = "tools" in payload and any(
        _is_builtin_tool(tool) for tool in payload["tools"]
    )
    responses_only_args = {
        "include",
        "previous_response_id",
        "reasoning",
        "text",
        "truncation",
    }
    return bool(uses_builtin_tools or responses_only_args.intersection(payload))