Speechmatics vs Inworld pricing
STT: Speechmatics from $0.002 vs Inworld from $0.0025; TTS: Speechmatics from $11.00 vs Inworld from $15.00.
Last updated · prices checked daily
Speech-to-text: Speechmatics vs Inworld
Speechmatics has the lower listed STT price: $0.002 per minute (Melia 1 (pre-recorded)) vs $0.0025 for Inworld (STT 1 (On-Demand)), about 20% less.
| Vendor | Product / tier | $/min |
|---|---|---|
| Speechmatics Visit site ↗ | Melia 1 (pre-recorded) | $0.002 |
| Inworld Visit site ↗ | STT 1 (On-Demand) | $0.0025 |
| Speechmatics Visit site ↗ | Standard (pre-recorded) | $0.0038 |
| Speechmatics Visit site ↗ | Enhanced (pre-recorded) | $0.0063 |
What it costs at volume (lowest listed rate)
| Minutes | Speechmatics | Inworld |
|---|---|---|
| 1,000 min | $2.00 | $2.50 |
| 10,000 min | $20.00 | $25.00 |
| 100,000 min | $200.00 | $250.00 |
Text-to-speech: Speechmatics vs Inworld
Speechmatics has the lower listed TTS price: $11.00 per 1M characters (Speechmatics TTS) vs $15.00 for Inworld (TTS-2 Flash (On-Demand)), about 27% less.
| Vendor | Product / tier | $/1M chars |
|---|---|---|
| Speechmatics Visit site ↗ | Speechmatics TTS | $11.00 |
| Inworld Visit site ↗ | TTS-2 Flash (On-Demand) | $15.00 |
| Inworld Visit site ↗ | TTS-2 (On-Demand) | $25.00 |
What it costs at volume (lowest listed rate)
| Characters | Speechmatics | Inworld |
|---|---|---|
| 1M chars | $11.00 | $15.00 |
| 10M chars | $110.00 | $150.00 |
| 100M chars | $1,100.00 | $1,500.00 |
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 Speechmatics or Inworld cheaper for speech-to-text?
Speechmatics has the lower listed STT price: $0.002 per minute (Melia 1 (pre-recorded)) vs $0.0025 for Inworld (STT 1 (On-Demand)), about 20% less. Prices checked Oct 28, 2026.
Is Speechmatics or Inworld cheaper for text-to-speech?
Speechmatics has the lower listed TTS price: $11.00 per 1M characters (Speechmatics TTS) vs $15.00 for Inworld (TTS-2 Flash (On-Demand)), about 27% 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.