Deepgram

by Deepgram

Nova-2 model, excellent streaming, strong at conversational audio.

Category
Transcription APIs
License
—
Stars
—
Last push
—
Pricing
from $0.0043/min
Platforms
API

What it is

Deepgram's Nova-2 is one of the strongest streaming ASR models on the market, with very low latency and good accuracy on conversational audio. HIPAA-eligible, per-minute pricing competitive with self-hosted for modest volume. Last price check: 2026-04-20.

Best for: Real-time voice apps (agents, meeting tools) where streaming latency is the product.
Watch out for: Lower language coverage than Whisper variants; proprietary.

Install / use

POST https://api.deepgram.com/v1/listen

Features

Speaker diarizationYes
Word-level timestampsYes
Streaming / real-timeYes
Languages supported36
HIPAA eligibleYes

Alternatives

OpenAI Whisper API
OpenAI

Hosted Whisper large-v3 from OpenAI — $0.006 per minute.

$0.006/min
AssemblyAI
AssemblyAI

Universal-2 model + diarization, PII redaction, topic detection, summarization.

from $0.37/hr
Rev.ai
Rev.ai

The API spin-off of Rev — strong English accuracy, topic detection, custom vocab.

from $0.02/min

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