Deepgram

Multimodal & Perception · Free + paid

AI-powered speech recognition API

At a glance

Made by
Deepgram
Korean
None (English and a few others only)
API
Yes
Available on
API

What is Deepgram?

Deepgram is a research-focused AI company that builds voice technology, founded in 2015. It offers speech recognition, speech synthesis, voice agents, and audio intelligence as APIs on a single platform. The Voice Agent API bundles STT, TTS, and LLM orchestration into one API, reducing complexity, latency, and cost. It can be used in real time or batch, in the cloud or self-hosted.

  • Flux STT: conversational speech recognition with turn detection and interruption handling
  • Flux TTS: speech synthesis that keeps tone, expression, and continuity across the whole conversation
  • Voice Agent API: integrated STT, TTS, and LLM orchestration
  • Audio Intelligence: extract insights from conversations
  • Nova models: 45+ languages, speaker diarization, smart formatting, keyterm prompting, automatic language detection
  • Automatic removal of sensitive information (PII) (Redaction)
  • Cloud or self-hosted deployment
  • Custom models trained on your own data

Who uses Deepgram and for what

  • Voice agent development
  • Contact center and voice analytics
  • Medical and podcast transcription

Pricing

What you get for free — Yes ($200 free credit, then pay-as-you-go, no card required)

PlanPriceMain limits
Pay As You Go$0$200 free credit, then pay-as-you-go, no minimum amount, no expiration
Growth$4,000/yr$4K+/year prepaid credit, up to 20% savings
EnterpriseContact salesContact sales
Flux English streaming (Pay As You Go)$0.007Per minute, limited-time discounted price (list price $0.0077/min)
Nova-3 Monolingual streaming (Pay As You Go)$0.005Per minute, limited-time discounted price (list price $0.0077/min)
Nova-3 Monolingual pre-recorded files (Pay As You Go)$0.004Per minute
Whisper Large pre-recorded files$0.005Per minute

Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying. · Official pricing page

AI tools similar to Deepgram (alternatives)

Deepgram vs. alternatives at a glance

AIPricingCombos on the mapConnected toolsFreeCheapest monthlyKorean
DeepgramFree + paid05Yes—No
AssemblyAIFree + paid05Yes—No
Azure SpeechFree + paid05Yes—Yes
ParakeetFree05——No
superwhisperFree + paid05Yes—No

4 of these 5 tools have a free plan.

Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.

Deepgram on AI Galaxy Map

  • One of 22 AI tools in the Multimodal & Perception field.
  • Connected to 5 other tools — #11 in its field.

Frequently asked questions

Can I use Deepgram for free?

Yes ($200 free credit, then pay-as-you-go, no card required). Prices can change, so check the official site before paying.

What AI can I use instead of Deepgram?

Tools that do the same job, such as AssemblyAI, Azure Speech, Parakeet, superwhisper, are connected to it on the map.

Can I use Deepgram in Korean?

None (English and a few others only)

Sources (official pages)

Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.

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