衡量每美元所接受的人工智慧產出

SELECT
  feature,
  model,
  COUNT(*) AS completed_outputs,
  SUM(CASE WHEN accepted = true THEN 1 ELSE 0 END) AS accepted_outputs,
  100.0 * SUM(CASE WHEN accepted = true THEN 1 ELSE 0 END)
    / NULLIF(COUNT(*), 0) AS acceptance_rate_pct,
  SUM(estimated_cost_usd) AS cost_usd,
  SUM(CASE WHEN accepted = true THEN 1 ELSE 0 END)
    / NULLIF(SUM(estimated_cost_usd), 0) AS accepted_outputs_per_dollar
FROM llm_requests
WHERE timestamp_utc >= now() - INTERVAL '30 days'
GROUP BY feature, model
HAVING COUNT(*) >= 50
ORDER BY accepted_outputs_per_dollar DESC;