Request success alone misses slow first tokens, poor retrieval, failed tool execution, excessive cost and low-quality outputs.
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Choose AI SLIs
AI SLIs measure observable behavior that reflects whether users are receiving a reliable AI service.
An AI assistant may track successful answer rate, TTFT p95, tool success rate, grounded-answer rate and cost per successful request.
Which 3–6 signals best represent the user's real experience for this AI service?
REMEMBERAn SLI should describe user-visible reliability, not simply what is easy to measure.
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