Deepgram vs Amazon (Transcribe / Polly) pricing
STT: Deepgram from $0.0048 vs Amazon (Transcribe / Polly) from $0.006; TTS: Deepgram from $30.00 vs Amazon (Transcribe / Polly) from $4.00.
Last updated · prices checked daily
Speech-to-text: Deepgram vs Amazon (Transcribe / Polly)
Deepgram has the lower listed STT price: $0.0048 per minute (Nova-3 Monolingual (streaming, current price)) vs $0.006 for Amazon (Transcribe / Polly) (Transcribe batch (us-east-1)), about 20% less.
| Vendor | Product / tier | $/min |
|---|---|---|
| Deepgram Visit site ↗ | Nova-3 Monolingual (streaming, current price) Pay as you go Page shows a discounted 'current price' next to a higher 'regular price'. | $0.0048 |
| Amazon (Transcribe / Polly) Visit site ↗ | Transcribe batch (us-east-1) Taken from AWS's own worked pricing example for US East (N. Virginia). | $0.006 |
| Deepgram Visit site ↗ | Flux English (streaming, current price) Pay as you go | $0.0065 |
| Amazon (Transcribe / Polly) Visit site ↗ | Transcribe streaming (us-east-1) Taken from AWS's own worked pricing example for US East (N. Virginia). | $0.01 |
What it costs at volume (lowest listed rate)
| Minutes | Deepgram | Amazon (Transcribe / Polly) |
|---|---|---|
| 1,000 min | $4.80 | $6.00 |
| 10,000 min | $48.00 | $60.00 |
| 100,000 min | $480.00 | $600.00 |
Text-to-speech: Deepgram vs Amazon (Transcribe / Polly)
Amazon (Transcribe / Polly) has the lower listed TTS price: $4.00 per 1M characters (Polly Standard) vs $30.00 for Deepgram (Aura-2), about 87% less.
| Vendor | Product / tier | $/1M chars |
|---|---|---|
| Amazon (Transcribe / Polly) Visit site ↗ | Polly Standard | $4.00 |
| Amazon (Transcribe / Polly) Visit site ↗ | Polly Neural | $16.00 |
| Deepgram Visit site ↗ | Aura-2 Pay as you go | $30.00 |
| Amazon (Transcribe / Polly) Visit site ↗ | Polly Generative | $30.00 |
What it costs at volume (lowest listed rate)
| Characters | Deepgram | Amazon (Transcribe / Polly) |
|---|---|---|
| 1M chars | $30.00 | $4.00 |
| 10M chars | $300.00 | $40.00 |
| 100M chars | $3,000.00 | $400.00 |
Cost-per-call calculator
Estimate what one call really costs. Prices come from today's table; LLM and telephony presets are per-minute rates published by Retell and Vapi. Everything is editable.
Cartesia's pricing page puts one minute of speech at 750–800 characters; Rime says about 1,000. The talk share is your own guess at how much of each call the agent is speaking.
FAQ
Is Deepgram or Amazon (Transcribe / Polly) cheaper for speech-to-text?
Deepgram has the lower listed STT price: $0.0048 per minute (Nova-3 Monolingual (streaming, current price)) vs $0.006 for Amazon (Transcribe / Polly) (Transcribe batch (us-east-1)), about 20% less. Prices checked Oct 28, 2026.
Is Deepgram or Amazon (Transcribe / Polly) cheaper for text-to-speech?
Amazon (Transcribe / Polly) has the lower listed TTS price: $4.00 per 1M characters (Polly Standard) vs $30.00 for Deepgram (Aura-2), about 87% less. Prices checked Oct 28, 2026.
How often are these prices updated?
Every day. A script reads each vendor's public pricing page, extracts the listed rates and keeps a dated copy, so price changes show up in the history.
All Deepgram prices · All Amazon (Transcribe / Polly) prices