Perplexity Observability Overview Monitor Perplexity Sonar API performance, cost, and quality. Key signals unique to Perplexity: citation count per response (quality indicator), search latency variability (web search is non-deterministic), and per-model cost differences. Key Metrics | Metric | sonar (typical) | sonar-pro (typical) | Alert Threshold | |--------|----------------|--------------------|-------------- | | Latency p50 | 1-2s | 3-5s | p95 15s | | Citations/response | 3-5 | 5-10 | 0 for 10min | | Error rate | <1% | <1% | 5% | | Cost/query | $0.005 | $0.02 | $0.10 | Prerequisites - Per…