Speech & conversational AI
Amazon Transcribe vs Azure Speech
The Azure equivalent of Amazon Transcribe is Azure Speech speech-to-text.
Side-by-side comparison
| Aspect | Amazon Web Services | Microsoft Azure |
|---|---|---|
| Service | Amazon Transcribe | Azure Speech |
| Lifecycle | Generally available | Custom neural voice and some avatar features are Limited Access. |
| What it is | Speech-to-text, streaming and batch, with custom vocabularies and language models, speaker partitioning, PII redaction, and content filtering. | Speech to text (real-time, fast, and batch transcription, custom speech), neural text to speech (custom voice), speech translation, pronunciation assessment, avatars, Voice Live, and edge containers. |
| Pricing model | Per second of audio (with minimums), tiered by monthly volume. Medical and Call Analytics have separate rates. | Per audio hour (real-time, fast, and batch rates differ). Custom models add hosting, and a free tier is available. |
| Docs | Amazon Transcribe docs | Azure Speech docs |
| Pricing page | Amazon Transcribe pricing | Azure Speech pricing |
| Exams | AIF-C01 | AI-901 AI-103 |
Key differences
- Azure offers real-time, fast (synchronous file), and batch transcription, custom speech models, pronunciation assessment, and edge containers.
- Transcribe offers streaming and batch, custom vocabularies and custom language models, speaker partitioning, PII redaction, and toxicity/content filtering. It's HIPAA-eligible.
- Foundry also offers OpenAI speech-to-text models (for example gpt-4o-transcribe family) as an LLM-based alternative.
Pricing summary
Pricing models only. No prices are quoted because they change by region and over time.
- AWS
- Per second of audio (with minimums), tiered by monthly volume. Medical and Call Analytics have separate rates. Amazon Transcribe pricing →
- Azure
- Per audio hour (real-time, fast, and batch rates differ). Custom models add hosting, and a free tier is available. Azure Speech pricing →
Certification exam mapping
| Exam | Provider | Level | Status |
|---|---|---|---|
| AWS Certified AI Practitioner AIF-C01 | AWS | Foundational | current Italian and German versions retire after Oct 15, 2026 (per AWS cert page). |
| Microsoft Certified – Azure AI Fundamentals AI-901 | Azure | Fundamentals | current AI-901 replaces AI-900 for this certification (English version updated Apr 15, 2026). Covers Microsoft Foundry. |
| Microsoft Certified – Azure AI Apps and Agents Developer Associate AI-103 | Azure | Associate | current Generative AI and agentic solutions with Microsoft Foundry using Python. Successor in scope to the retired AI-102. |
Relevance is based on each exam's published scope, not a line-by-line objective match. Check the official study guide.
Verification notes
- The OpenAI transcription model family name on Foundry is indicative. Check the Foundry audio models section.
FAQ
What is the Azure equivalent of Amazon Transcribe?
The Azure equivalent of Amazon Transcribe is Azure Speech speech-to-text.
How does pricing compare between Amazon Transcribe and Azure Speech?
AWS: Per second of audio (with minimums), tiered by monthly volume. Medical and Call Analytics have separate rates. Azure: Per audio hour (real-time, fast, and batch rates differ). Custom models add hosting, and a free tier is available. Check the official pricing pages for current rates.
Which certification exams cover this topic?
AWS Certified AI Practitioner (AIF-C01); Microsoft Certified – Azure AI Fundamentals (AI-901); Microsoft Certified – Azure AI Apps and Agents Developer Associate (AI-103).