assemblyai
AssemblyAI
Speech-to-text API with high accuracy
DSGVO: partialEU-AI-Act: limitedFree tier
AI tool comparison
AssemblyAI vs. Deepgram
A practical comparison of AssemblyAI and Deepgram across pricing, GDPR, EU AI Act risk, and workflow fit.
deepgram
Deepgram
Fast speech API for real-time use cases
DSGVO: partialEU-AI-Act: limitedFree tier
Side-by-side comparison
| Factor | AssemblyAI | Deepgram |
|---|---|---|
| Pricing | Free tier | Free tier |
| GDPR | partial | partial |
| EU AI Act | limited | limited |
| Data residency | us | us |
| Use cases | Audio / Voice, Summarize & structure, Customer communication, Build & code | Audio / Voice, Summarize & structure, Customer communication, Build & code |
| Data quality | — | — |
| Updated | 6/15/2026 | 6/15/2026 |
Choose AssemblyAI when
Universal-1 model for transcription, speaker diarization, topic detection, sentiment, auto-chapters.
Choose Deepgram when
Nova-3 model, very low latency, streaming-first. Popular in voice-agent and contact-center.
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Live transcription and meeting notes
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