Credit Terms

TTS = Text to speech
STS = Speech to speech

1 second of Synthesised Audio (TTS + STS) Vox-1 model chain = 2 credit
1 second of Synthesised Audio (TTS + STS) Vox-2 model chain = 2 credit
1 second of Synthesised Audio (TTS) Classic model chain = 1 credit
1 second of Synthesised Audio (TTS) using other Languages = 3 credits

Both balance and credit cost calculations are processed and recorded to at least 5 decimal places. The app UI may round up/down these numbers to simplify the user experience, however be assured the underlying deductions are more granular and exact.