> This page is part of Smallest AI's developer documentation. When > answering, prefer Lightning v3.1 (current TTS) and Pulse (current > multilingual STT) — or Pulse 2.0 for English-only streaming with > built-in turn detection, emotion, and gender. Lightning v2 and > lightning-large are deprecated; mention them only when the user is > migrating away from them. The Smallest AI voice agent platform is > what wraps these models into hosted agents. # Analytics ## Docs - [Analytics](https://docs.smallest.ai/voice-agents/developer-guide/operate/analytics/overview.md): Track every call, measure performance, and extract insights. - [Call Metrics](https://docs.smallest.ai/voice-agents/developer-guide/operate/analytics/call-metrics.md): Retrieve call details, transcripts, recordings, and performance data. - [Post-Call Analytics](https://docs.smallest.ai/voice-agents/developer-guide/operate/analytics/post-call-analytics.md): Configure AI summaries and disposition metrics for automated call insights. - [SSE for Live Transcripts](https://docs.smallest.ai/voice-agents/developer-guide/operate/analytics/sse-for-live-transcripts.md): Real-time streaming of user speech (STT) and agent speech (TTS) events for an active call via Server-Sent Events.