Speech-to-Text Cost Calculator
Estimate transcription costs for audio based on duration and provider pricing (Whisper, AssemblyAI, Google, Azure).
Inputs
Total Cost
$0.3600
Price per Minute
$0.0060
Step by step
Total cost
60 min × $0.0060/min
= $0.3600
How it works
Speech-to-text providers bill per minute of audio processed. This calculator multiplies your total audio duration by the selected provider's per-minute rate to estimate transcription cost. Rates vary by provider and by features enabled (e.g. speaker diarization, custom vocabulary), so treat these as baseline estimates.
Formula
total_cost = audio_minutes × rate_per_minute
- audio_minutes
- Total audio duration in minutes
- rate_per_minute
- Provider cost per minute of audio
Frequently Asked Questions
Does audio quality affect the price?
No, most providers charge a flat per-minute rate regardless of audio quality, though very poor audio may increase error rates.
Is silence included in billed duration?
Typically yes — most providers bill for the full uploaded duration, including silence, unless you pre-trim the audio.
Do these rates include add-on features?
No, these are base transcription rates. Diarization, custom models, and real-time streaming often carry additional charges.
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