Unverified50% confidenceFactExact time
In streaming (SSE) mode, stop_reason is given in the message_delta event, immediately before message_stop, rather than arriving with the first event.
1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedWhen stop_reason is stop_sequence, the stop_sequence field in the response carries back the actual stop sequence string that was hit.74% similarUnverifiedPostToolUse triggers after a tool has successfully executed, and Stop triggers when a full round of conversation has completely ended.63% similarUnverifiedThe Stop event is triggered when Claude determines that the overall task is complete and is ready to terminate the response; SubagentStop corresponds to the stop signal when a subagent in a multi-agent architecture finishes its assigned subtask.60% similarUnverified该节点每接受一个片段就生成一个检查点，程序崩溃或中途暂停时可从断点继续59% similarUnverifiedThe Stop hook is bound to the moment when the model no longer requests tools and is about to finish; returning decision: block can prevent the loop from ending and force another round, and its reason is injected into the next round as a user message.58% similar
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