Billing Question

Can someone explain billing.

  1. The Call billing breakdown which has LLM, STT and TTS, is this final costs or i am getting double charged by openai, anthropic for using their APIs ?
  2. I wondering how should i interpret billing, should i fund my account in openai and anthropic or should i only fund vapi ?
Cost
STT: $0.39 ($0.03 / min)
LLM: $0.92 ($0.06 / min)
  • 85462 prompt tokens
  • 2045 completion tokens
    TTS: $0.13 ($0.01 / min)
  • 8711 characters
    Vapi: $0.75 ($0.05 / min)
    Transport: $0.00 ($0.00 / min)
    Total: $2.19 ($0.15 / min)
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