Deepgram vs Speechmatics: voice AI pricing compared
Updated 2026-11-10 · listed A to Z, not ranked
Deepgram sells speech APIs billed by usage: speech-to-text per minute of audio (billed per second), text-to-speech per 1,000 characters, and its Voice Agent per minute of connection time. A prepaid annual Growth plan lowers the rates.
Speechmatics is a speech-to-text API for batch and real-time transcription. It bills per hour of audio, with different rates by model.
Listed A to Z, from deepgram.com and speechmatics.com. Every figure below is quoted from those pages.
- Main price table
- Flux STT English, Flux STT Multilingual, Nova-3 Monolingual, Nova-3 Multilingual
- Free option
- None in the published plan table
- Published prices
- Speech-to-text from $0.0077 per minute, Aura text-to-speech per 1,000 characters, Voice Agent per minute, and Growth plan rates.
- Main price table
- Melia 1 (multilingual), Oak 1 (medical), Linden 1 (real-time voice agents), Standard, Enhanced
- Free option
- None in the published plan table
- Published prices
- From $0.12 per hour, $100 free credit to start, volume discounts up to 25%. Per-model hourly rates.
How we checked: Prices quoted from each official pricing page: Deepgram checked Nov 10, 2026, Speechmatics checked Nov 10, 2026. Taxes, usage overages and promotions can change what you pay; confirm with each provider before you buy.
How they compare
- Main price table. Deepgram lists 4 entries (Flux STT English, Flux STT Multilingual, Nova-3 Monolingual, Nova-3 Multilingual); Speechmatics lists 5 (Melia 1 (multilingual), Oak 1 (medical), Linden 1 (real-time voice agents), Standard, Enhanced).
- Free option. Deepgram: none in the published plan table. Speechmatics: none in the published plan table.
- How prices are quoted. Deepgram: “Speech-to-text”. Speechmatics: “Rates by model”.
Deepgram plans and prices
| Model | Pay as you go | Growth |
|---|---|---|
| Flux STT English | $0.0077 / min | $0.0065 / min |
| Flux STT Multilingual | $0.0078 / min | $0.0068 / min |
| Nova-3 Monolingual | $0.0077 / min | $0.0065 / min |
| Nova-3 Multilingual | $0.0092 / min | $0.0078 / min |
Add-ons are billed on top, for example speaker diarization $0.0020 / min and redaction $0.0020 / min pay as you go; smart formatting is included.
| Product | Pay as you go | Growth |
|---|---|---|
| Aura-2 TTS | $0.030 / 1k characters | $0.027 / 1k characters |
| Aura-1 TTS | $0.0150 / 1k characters | $0.0135 / 1k characters |
| Flux TTS | $0.0450 / 1k characters | $0.0450 / 1k characters |
| Voice Agent, Standard | $0.075 / min | $0.068 / min |
| Voice Agent, Custom with your own LLM and TTS | $0.050 / min | $0.041 / min |
| Voice Agent, Advanced | $0.163 / min | $0.146 / min |
Voice Agent is one rate covering speech-to-text, a managed language model and text-to-speech; bringing your own LLM or TTS lowers it.
From deepgram.com, checked Nov 10, 2026. Full breakdown: Deepgram pricing.
Speechmatics plans and prices
| Model | Price |
|---|---|
| Melia 1 (multilingual) | $0.12 / hour |
| Oak 1 (medical) | $0.15 / hour |
| Linden 1 (real-time voice agents) | $0.15 / hour |
| Standard | $0.23 / hour |
| Enhanced | $0.38 / hour |
New accounts start with $100 in free credits. Speechmatics lists volume discounts of up to 25%, and 33% off when you allow your data to be used for model training.
From speechmatics.com, checked Nov 10, 2026. Full breakdown: Speechmatics pricing.
FAQ
How much does Deepgram cost?
Speech-to-text from $0.0077 per minute, Aura text-to-speech per 1,000 characters, Voice Agent per minute, and Growth plan rates. (checked Nov 10, 2026).
How much does Speechmatics cost?
From $0.12 per hour, $100 free credit to start, volume discounts up to 25%. Per-model hourly rates. (checked Nov 10, 2026).
Do Deepgram and Speechmatics have a free option?
Deepgram: none in the published plan table. Speechmatics: none in the published plan table.
Which is better, Deepgram or Speechmatics?
We do not pick a winner. The two price and package their products differently; the tables above quote each official pricing page so you can match a plan to your own usage.
Where do these prices come from?
Each vendor's own pricing page: deepgram.com (checked Nov 10, 2026) and speechmatics.com (checked Nov 10, 2026). Prices change; confirm on the vendor's page before you buy.
Sources (official pages, read 2026-11-10)
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