Conversation Intelligence

AssemblyAI

Speech AI APIs — Universal-2 (99 langs), Universal-3 Pro, and LeMUR for voice agents and contact centers.

assemblyai.com Verified April 2026 San Francisco, US Founded 2017 series c

Pricing

$0.0025 /min

STT: Universal-3 Pro $0.21/hr; Universal-2 $0.15/hr. Streaming: Universal-3 Pro $0.45/hr; Universal-Streaming $0.15/hr. Audio Intelligence add-ons $0.02–$0.15/hr. $50 free credit; no credit card required. No contracts or throttles.

Free tier Usage-based Custom enterprise

View pricing page → Verified April 2026

Capabilities

Capability	AssemblyAI
Transcription	✓
Summarization	✓
Sentiment Analysis	✓
Real-Time Agent Assist	✗
Autonomous Voice Agent	✗
Virtual Agent (Chat)	✗
Conversation Intelligence	✓
Automated QA	✗
Intelligent Routing	✗
Predictive Dialer	✗
Voice Cloning	✗
Multilingual	✓
Coaching Workflows	✗
Workforce Management	✗