{
  "session_id": "bc006560-9d49-4ea1-84b9-d0663ac64021",
  "tenant_id": "default",
  "account_id": null,
  "agent_id": "restaurant-order",
  "agent_name": "Takeaway Orders",
  "transport": "webrtc",
  "direction": "browser",
  "telephony_provider": null,
  "from_number": null,
  "to_number": null,
  "llm_model": "google/gemini-2.5-flash-lite",
  "tts_backend": "deepgram",
  "tts_model": "aura-2-phoebe-en",
  "tts_voice": "aura-2-phoebe-en",
  "stt_model": "nova-3-general",
  "started_at": "2026-08-12T15:03:10.041514+00:00",
  "ended_at": "2026-08-12T15:03:50.284611+00:00",
  "duration_seconds": 40.2,
  "audio_seconds": 38.9,
  "turn_count": 3,
  "has_audio": true,
  "summary": {
    "turns": 2,
    "usage": {
      "llm_prompt_tokens": 2510,
      "llm_completion_tokens": 39,
      "llm_reasoning_tokens": 0,
      "llm_cached_tokens": 0,
      "tts_characters": 136,
      "stt_seconds": 40.24,
      "user_speech_seconds": 44.27,
      "agent_speech_seconds": 8.67
    },
    "cost_usd": {
      "llm": 0.000267,
      "tts": 0.00408,
      "stt": 0.005165,
      "telephony": 0.0,
      "total": 0.009511
    },
    "latency_ms": {
      "median_response": 711,
      "worst_response": 711
    }
  },
  "balance_usd": {
    "before": 4.994818,
    "after": 4.985307000000001,
    "currency": "USD"
  },
  "rate_card_version": "2026-08-09",
  "rate_card": {
    "version": "2026-08-09",
    "currency": "USD",
    "llm_per_million_tokens": {
      "google/gemini-2.5-flash-lite": {
        "prompt": 0.1,
        "completion": 0.4
      },
      "deepseek/deepseek-v4-flash-0731": {
        "prompt": 0.09,
        "completion": 0.18
      },
      "openai/gpt-5.6-luna": {
        "prompt": 0.1,
        "completion": 0.6
      },
      "openai/gpt-5.6-luna-pro": {
        "prompt": 0.44,
        "completion": 0.87
      }
    },
    "tts_per_character": {
      "deepgram": 3e-05,
      "openrouter": 0.0,
      "kokoro": 0.0
    },
    "stt_per_minute": {
      "nova-3-general": 0.0077,
      "nova-3-medical": 0.0145
    },
    "telephony_per_minute": {
      "twilio": {
        "inbound": 0.0085,
        "outbound": 0.014
      },
      "telnyx": {
        "inbound": 0.0035,
        "outbound": 0.0035
      },
      "plivo": {
        "inbound": 0.0055,
        "outbound": 0.01
      },
      "exotel": {
        "inbound": 0.007,
        "outbound": 0.007
      },
      "vonage": {
        "inbound": 0.0085,
        "outbound": 0.0139
      }
    }
  },
  "schema_version": 2
}