What does Respan do?
Respan (formerly Keywords AI, YC W24) is an AI observability and LLM engineering platform that lets teams trace, evaluate, and improve AI agents. It combines a unified gateway to 1,000+ models with automated evals, AI-judge scoring, cost/latency monitoring, and a proactive agent that surfaces regressions and triggers prompt fixes or alerts. The platform is used by 100+ AI startups and enterprise teams, processing 1B+ logs and 2T+ tokens monthly.