Deepgram pricing: speech-to-text, text-to-speech and Voice Agent
Checked Nov 1, 2026 on Deepgram’s official pages (sources below). Prices change often: confirm with the provider before you buy.
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.
Figures below are from deepgram.com/pricing (streaming rates unless noted).
Speech-to-text
- Flux STT English
- Pay as you go$0.0077 / min
- Growth$0.0065 / min
- Flux STT Multilingual
- Pay as you go$0.0078 / min
- Growth$0.0068 / min
- Nova-3 Monolingual
- Pay as you go$0.0077 / min
- Growth$0.0065 / min
- Nova-3 Multilingual
- Pay as you go$0.0092 / min
- Growth$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.
Text-to-speech and Voice Agent
- Aura-2 TTS
- Pay as you go$0.030 / 1k characters
- Growth$0.027 / 1k characters
- Aura-1 TTS
- Pay as you go$0.0150 / 1k characters
- Growth$0.0135 / 1k characters
- Flux TTS
- Pay as you go$0.0450 / 1k characters
- Growth$0.0450 / 1k characters
- Voice Agent, Standard
- Pay as you go$0.075 / min
- Growth$0.068 / min
- Voice Agent, Custom with your own LLM and TTS
- Pay as you go$0.050 / min
- Growth$0.041 / min
- Voice Agent, Advanced
- Pay as you go$0.163 / min
- Growth$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.
Plans
- Pay as you go: no minimums and no expiration.
- Growth: prepaid annual credits from $4,000 a year, redeemed against usage, for up to 20% off.
- Enterprise: custom pricing for large volumes, deployment or support needs.
Deepgram pricing FAQ
How much does Deepgram speech-to-text cost per minute?
Pay as you go, Nova-3 Monolingual and Flux English are $0.0077 per minute streaming and Nova-3 Multilingual is $0.0092; the Growth plan lowers these to $0.0065 and $0.0078 (checked Nov 1, 2026). Audio is billed per second.
What is the Deepgram Growth plan?
Prepaid annual credits starting at $4,000 a year, used against actual usage at lower rates (up to 20% off, per Deepgram).
How is the Deepgram Voice Agent priced?
Per minute of WebSocket connection time: $0.075 a minute for Standard pay as you go, $0.050 with your own LLM and TTS, and $0.163 for Advanced.
Sources (official pages, read Nov 1, 2026)
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