ConceptJSON mode / JSON mode flag / JSON输出模式
JSON Mode
An output constraint flag provided by LLM APIs that requires the model to produce valid JSON on every response. It represents a hard requirement on the model's structured output capability and is commonly used in conjunction with tool-calling scenarios.
Timeline (last 90 days)
Oct 13
JSON mode and structured output only solve the problem of format validity; they do not guarantee semantic correctness and do not provide calibrated confidence, so they cannot support threshold policies.
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