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Deepgram AI vs Whisper AI

This comparison was retrieved by database IDs selected from the catalog.

Deepgram AI favicon

Deepgram AI

Deepgram

Whisper AI favicon

Whisper AI

OpenAI

Overview
Rating
4.8980 reviewsTop rated
4.83,200 reviews
Category
Transcription AI
Transcription AI
Subcategory
AI Speech Recognition API
AI Speech Transcription
Company
Deepgram
OpenAI
Status
Active
Active
Launch year
2015
2022
Tags
speech recognitionASRreal-timeAPIvoice AItranscriptionenterprisetext-to-speechconversational AI
transcriptionspeech recognitionASRopen-sourcemultilingualaccessibilitypodcastmeeting notesAPI
Pricing
Starting price
FreeBest value
Free
Pricing model
Pay-as-you-go
Pay-as-you-go
Free plan
Yes
Yes
Free trial
✕
✕
Pricing notes

Free $200 credit; Nova-2 from $0.0043/min; real-time from $0.0059/min; Enterprise custom

API from $0.006/minute via OpenAI API; open-source free to self-host; many third-party implementations

Capabilities
Best for

Developers and enterprises building production voice AI applications needing the fastest and most cost-effective real-time speech recognition at scale.

Developers, researchers, and businesses wanting accurate speech-to-text that can be self-hosted or used via API.

Target audience
AI developersVoice application buildersContact centre tech teamsEnterprise engineering teamsConversational AI builders
DevelopersAI engineersAccessibility teamsPodcast producersMeeting assistant builders
AI type
ASRNeural TTSML
ASRNLP
Modalities
AudioText
AudioText
Technical
Model provider
Proprietary
OpenAI
Model names
Nova-2Deepgram Aura
Whisper Large V3
API available
✓
✓
Open source
✕
✓
Deployment
CloudOn-Premise
CloudSelf-Hosted
Platforms
WebAPI
WebAPIPython
Integrations
TwilioAWSAzureLangChainLiveKitDaily.co
LangChainHuggingFaceReplicateAssemblyAIDeepgramFFmpeg
Team collaboration
✓
✕
Trust & security
Security
SOC 2 Type IIISO 27001GDPRCCPAHIPAAFedRAMP
SOC 2 Type IIGDPRCCPA
Privacy notes

FedRAMP authorized; HIPAA BAA; GDPR DPA; on-premise option; data not sold

API: data used per OpenAI policy; self-hosted: full data control; GDPR DPA for API

Verdict
Pros
  • Best price-performance in ASR market
  • Deepgram Aura TTS for full voice stack
  • NASA, Spotify, Twilio validation
  • FedRAMP for government
  • On-premise option
  • 200,000+ developer users
  • Open-source with full data control option
  • Near-human accuracy in most conditions
  • 99 languages
  • $0.006/min very affordable via API
  • Foundation of most AI transcription services
Cons
  • Less consumer-facing than Otter.ai
  • Nova-2 occasionally less accurate than AssemblyAI on accented speech
  • Enterprise on-premise setup complex
  • Slower than real-time without GPU
  • Speaker diarization requires extra steps
  • Privacy concerns with OpenAI API usage
  • No native real-time streaming

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