# AssemblyAI vs Deepgram

**Leader by vioscaleAI score:** AssemblyAI

| Attribute | AssemblyAI | Deepgram |
|---|---|---|
| **vioscaleAI score** | 77.8 (73% (medium)) | 61.9 (55% (medium)) |
| content.faq | `[{"answer":"A platform providing speech-to-text APIs for both pre-recorded and live audio, voice agent capabilities, and audio analysis features like speaker identification and sentiment analysis. Serves millions of developers with focus on accuracy and scalability. It is indexed under Speech To Text.","source":"https://www.assemblyai.com/blog/lower-latency-new-pricing","question":"What is AssemblyAI?","confidence":0.6},{"answer":"AssemblyAI offers a free tier, so you can start without paying. Paid plans start at $0.37. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.assemblyai.com/blog/lower-latency-new-pricing","question":"Is AssemblyAI free?","confidence":0.6},{"answer":"We have confirmed browser-based access to AssemblyAI. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.assemblyai.com/blog/lower-latency-new-pricing","question":"What platforms does AssemblyAI support?","confidence":0.6},{"answer":"Yes. AssemblyAI can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.assemblyai.com/blog/lower-latency-new-pricing","question":"Can AssemblyAI be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for AssemblyAI, including Semantic Kernel .NET, Vercel AI SDK, OpenAI GPT-5.6 Luna, OpenAI GPT-5.6 Terra and Google Gemini. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.assemblyai.com/blog/lower-latency-new-pricing","question":"What does AssemblyAI integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for AssemblyAI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as AssemblyAI not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.assemblyai.com/blog/assemblyai-obtains-soc2-type-2-compliance-for-2022-2023","question":"What security certifications does AssemblyAI have?","confidence":0.7},{"answer":"AssemblyAI is available worldwide. Its primary markets are the United States and the United Kingdom.","source":"https://www.assemblyai.com/blog/lower-latency-new-pricing","question":"Where is AssemblyAI available?","confidence":0.75}]` | `[{"answer":"A platform providing real-time speech-to-text, text-to-speech, and voice agent APIs with native support for understanding turn-taking, interruptions, and multi-speaker scenarios. Supports 45+ languages with features like speaker identification, smart formatting, and keyword recognition for enterprise and developer use cases. It is indexed under Speech To Text.","source":"https://deepgram.com/pricing","question":"What is Deepgram?","confidence":0.6},{"answer":"Deepgram does not publish its prices. Pricing is quoted on request, across 2 plans (Pay As You Go and Enterprise), so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://deepgram.com/pricing","question":"How much does Deepgram cost?","confidence":0.6},{"answer":"Deepgram supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://deepgram.com/pricing","question":"What platforms does Deepgram support?","confidence":0.6},{"answer":"Yes. Deepgram can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://deepgram.com/pricing","question":"Can Deepgram be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for Deepgram, including Zapier, Genesys, Cisco, Avaya, Nuance, UniMRCP, Y Combinator and TensorFlow.js. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://deepgram.com/pricing","question":"What does Deepgram integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Deepgram. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Deepgram not holding them. Always confirm compliance directly before you rely on it.","source":"https://deepgram.com/learn/compliance-monitoring-for-call-centers","question":"What security certifications does Deepgram have?","confidence":0.7},{"answer":"Deepgram is available worldwide. Its primary markets are the United States, the United Kingdom and the EU.","source":"https://deepgram.com/pricing","question":"Where is Deepgram available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | A hosted service offering speech-to-text transcription across 99 languages with real-time and batch processing, speaker identification, sentiment analysis, and infrastructure for building voice agents. | A platform providing real-time speech-to-text, text-to-speech, and voice agent APIs with native support for understanding turn-taking, interruptions, and multi-speaker scenarios. Supports 45+ languages with features like speaker identification, smart formatting, and keyword recognition for enterprise and developer use cases. |
| features.capabilities | `{"pii_redaction":true,"word_timestamps":true,"custom_vocabulary":true,"real_time_streaming":true,"speaker_diarization":true,"punctuation_formatting":true}` | `{"fine_tuning":true,"pii_redaction":true,"vertical_model":true,"custom_vocabulary":true,"real_time_streaming":true,"speaker_diarization":true,"punctuation_formatting":true}` |
| integrations.count | 8 | 6 |
| integrations.list | `[{"name":"Semantic Kernel .NET"},{"name":"Vercel AI SDK"},{"name":"OpenAI GPT-5.6 Luna"},{"name":"OpenAI GPT-5.6 Terra"},{"name":"Google Gemini"},{"name":"Semantic Kernel","native":true,"category":"development","direction":"outbound"},{"name":"LangChain","native":true,"category":"framework"},{"name":"Twilio","native":false,"category":"communications"},{"name":"OpenAI","native":false,"category":"llm"},{"name":"Fireworks","native":false,"category":"infrastructure"},{"name":"AWS Bedrock","native":false,"category":"infrastructure"},{"name":"MiniMax","native":false,"category":"llm"},{"name":"Google Cloud Storage","native":false,"category":"storage"}]` | `[{"name":"Zapier"},{"name":"Genesys"},{"name":"Cisco"},{"name":"Avaya"},{"name":"Nuance"},{"name":"UniMRCP"},{"name":"Y Combinator"},{"name":"TensorFlow.js","native":false,"category":"ml_framework"},{"name":"AudioCodes VoiceAI Connect","native":true,"direction":"bidirectional"}]` |
| market.availability | `{"primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":["US","AU"],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","contactSales":false,"includedLimits":{"streaming_hours_per_month":"333","pre_recorded_hours_per_month":"185"}},{"free":false,"name":"Pay-as-you-go","components":[{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.45,"currency":"USD"}],"contactSales":false},{"free":false,"name":"Enterprise","description":"Custom volume pricing and terms","contactSales":true}],"summary":"Free tier with limited hours; pay-as-you-go from $0.45/hr","currency":"USD","freeTier":true,"sourceUrl":"https://www.assemblyai.com/pricing","retrievedAt":"2026-09-29T10:45:03.934Z","startingPrice":{"unit":"hour","amount":0.45,"currency":"USD"}}` | `{"type":"usage","plans":[{"free":false,"name":"Pay As You Go","summary":"From $0.0042/min STT or $0.045/1k chars TTS. Free $200 credit included.","features":["Real-time and batch processing","45+ languages","Speaker diarization","PII redaction","Smart formatting","Keyterm prompting"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","unit":"Nova-3 STT","amount":0.0042,"currency":"USD"},{"per":{"qty":1000,"unit":"characters"},"kind":"metered","unit":"Text-to-Speech","amount":0.045,"currency":"USD"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","unit":"Voice Agent API","amount":0.075,"currency":"USD"}],"description":"Usage-based pricing with initial $200 credit","contactSales":false,"includedLimits":{"voice_agent":"up to 45 concurrent","initial_credit":"$200","text_to_speech":"up to 45 concurrent","audio_intelligence":"up to 10 concurrent","speech_to_text_wss":"up to 150 concurrent","speech_to_text_rest":"up to 50 concurrent"}},{"free":false,"name":"Growth","summary":"$4,000+/year","features":["All public model endpoints","Higher concurrency limits"],"commitment":"annual","components":[{"kind":"fixed","amount":4000,"period":"year","currency":"USD"}],"description":"For growing applications with higher concurrency and annual commitment","contactSales":false,"includedLimits":{"voice_agent":"up to 60 concurrent","text_to_speech":"up to 60 concurrent","speech_to_text_wss":"up to 225 concurrent"}},{"free":false,"name":"Enterprise","description":"Custom solutions for large volumes or specialized compliance needs","contactSales":true}],"addOns":[{"name":"Speaker Diarization","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.002,"currency":"USD"}]},{"name":"PII Redaction","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.002,"currency":"USD"}]}],"summary":"From $0.0042/min STT. Free $200 credit on signup. Growth plan $4,000+/year with higher limits.","currency":"USD","freeTier":true,"sourceUrl":"https://deepgram.com/pricing","retrievedAt":"2026-09-29T10:48:08.294Z","startingPrice":{"amount":4000,"period":"year","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | high |
| pricing.starting_price | `{"amount":0.45,"currency":"USD"}` | `{"amount":4000,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | yes | - |
| security.certifications | `[{"name":"SOC 2 Type 2","level":"Type II","status":"active","auditor":"independent third-party"}]` | `[{"name":"SOC 2 Type II","status":"active"},{"name":"SOC 2 Type I","status":"active"},{"name":"GDPR","status":"active"},{"name":"HIPAA","status":"active"},{"name":"PCI DSS","status":"active"},{"name":"CCPA","status":"active"}]` |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.pci | yes | yes |
| security.soc2 | yes | yes |
| security.trust_center | https://www.assemblyai.com/security | https://deepgram.com/learn/python-script-compliance |

## Capabilities (Speech To Text)

| Capability | AssemblyAI | Deepgram |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Real time streaming | ✓ | ✓ |
| Speaker diarization | ✓ | ✓ |
| Custom vocabulary | ✓ | ✓ |
| Fine tuning | - | ✓ |
| Word timestamps | ✓ | - |
| Punctuation formatting | ✓ | ✓ |
| Pii redaction | ✓ | ✓ |
| Vertical model | - | ✓ |
| Offline on device | - | - |
| Open source | - | - |

*Source: vioscaleAI. Generated 2026-10-16T20:48:18.950Z. "-" = undocumented, not absent.*