Unverified50% confidenceFactExact time
The Responses API adopts a structured event stream, pushing semantic events such as response.output_item.added, response.output_text.delta, and response.output_item.done, and uses fields such as output_index and item_id to identify the position of each output item in the final response.
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50%
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Long-term
Relevance
10/14/2026
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Related Claims
UnverifiedThe Responses API offers more native support for tool calls and built-in tools (such as Web Search and Code Interpreter), with the response structure evolving from flat messages to an Event Stream.78% similarUnverifiedThe design philosophy of the Response API more closely resembles a function call, where the input is a structured task description and the output is structured data that can be directly consumed by a program.77% similarUnverifiedThe Responses API supports orchestrating multi-step reasoning and tool calls within a single API call, eliminating the need for the client to manually manage intermediate state.74% similarUnverifiedTool Calling allows an LLM to decide, during response generation, to invoke predefined external functions or APIs and incorporate the results into subsequent reasoning.72% similarUnverifiedResponses API引入了previous_response_id参数实现多轮对话的自动上下文串联71% similar
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