Unverified50% confidenceDecision RuleExact time
OpenAI's official guidance draws three lines: the Decisions API for classification, routing, scoring, and gating that require a determination; Structured Outputs (Responses API) for scenarios that require extracting fields or written explanations in a structured form; and function calling for scenarios where the model triggers tools with parameters.
1
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50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
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Related Claims
UnverifiedThree technical approaches exist in the structured output domain: server-side native support represented by OpenAI Function Calling/Structured Outputs, prompt programming solutions represented by Microsoft Guidance and LMQL, and pure sampling-layer constraint solutions represented by Outlines.77% similarUnverifiedThe Responses API is the most low-level path among OpenAI's three construction approaches, with its core composition being the model plus managed tools and custom tools, giving developers maximum control76% similarVerifiedOpenAI 的 Function Calling 和 Anthropic 的 Tool Use API 都是 ReAct 模式的标准化实现75% similarVerifiedOpenAI launched a product called the Decisions API.74% similarVerifiedOpenAI's function calling/tool use mechanism is a hard constraint; the model inference engine directly constrains the valid set of output tokens during the decoding phase, thereby guaranteeing format compliance at the protocol level.74% similar
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