timestamp | ISO-8601 UTC, e.g. 2026-04-15T09:30:00+00:00. |
project | Project id. |
modality | stt, llm, or tts. |
provider | e.g. openai, deepgram, cartesia. |
model | Full provider/model string. |
input_units | Tokens (LLM input), minutes (STT), or characters (TTS). |
output_units | Tokens (LLM output); 0 for STT/TTS. |
calculated_cost_usd | Fixed-point USD string, priced through voice-prices. |
pricing_source | voice-prices@<version> for priced cloud models, voice-prices-unrated when the catalogue matched the model but holds no rate for it, voicegateway-local for local/*/ollama/*, empty for unknown. |
status | ok or an error tag. |