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The Speech-to-Text API Cost calculator estimates the expense of transcribing audio using services like OpenAI Whisper API, Deepgram, AssemblyAI, Google Cloud Speech-to-Text, and AWS Transcribe. It covers both batch transcription and real-time streaming pricing.

Формула

D

Audio Duration (minutes) — Total audio duration to transcribe

P

Price per Minute ($/minute) — Service rate per minute of audio

F

Features (list) — Additional features (diarization, timestamps, language detection)

M

Mode (batch/streaming) — Batch transcription vs. real-time streaming

Водич корак по корак

1. 1Enter the total audio duration to transcribe (minutes or hours)
2. 2Select the speech-to-text service and quality tier
3. 3Specify features needed: speaker diarization, timestamps, language detection
4. 4View cost comparison across providers with feature parity notes

Worked Examples

Common Mistakes to Avoid

• ✕Not checking whether pricing includes speaker diarization and timestamps or if those are add-on features
• ✕Comparing batch pricing to real-time streaming pricing, which is typically 20-40% more expensive
• ✕Forgetting about audio preprocessing costs (format conversion, silence trimming) that can reduce billable minutes

Frequently Asked Questions