AssemblyAI is a speech-to-text API platform offering highly accurate transcription, speaker diarization, sentiment analysis, content moderation, and AI audio intelligence features for developers. It is used to build applications requiring audio understanding and voice analytics.
Category
Audio & Music
Subcategory
Speech-to-Text
Free Tier
$50 free credits for new accounts
Paid Plans
Pay-per-use starting at $0.37/hr
API Cost
$0.37/hour of audio transcribed
API
AssemblyAI Trust & Security Report
Certifications, AI-training posture, and security controls, with sourced proof.
●SOC 2 Type 1●SOC 2 Type 2●ISO 27001:2022●GDPR●HIPAA / Business Associate Agreement●PCI DSS 4.0 Level 1
Verified against AssemblyAI's own trust and security pages. See the full report for sourced proof →
Region
US (primary); EU data residency available (Dublin, Ireland) via self-serve API parameters
Trains on Data
Yes
Self-hostable
No
Building transcription applications with high accuracyAdding speaker identification to meeting recordersCreating audio analytics and intelligence toolsModerating user-generated audio contentExtracting insights from call center audio
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