Features
93.32% word accuracy rate
24% improvement on proper nouns
15% improvement on text formatting
21% improvement on alphanumerics
Pre-recorded transcription API
Real-time streaming transcription API
Punctuation and casing formatting
Keyterms prompting (add-on)
Pre-recorded speech-to-text (Universal-3.5 Pro, 18 languages)
Pre-recorded speech-to-text (Universal-2, 99 languages)
Real-time streaming speech-to-text (Universal-3.5 Pro Realtime with Context Carryover)
Voice Agent API with built-in turn detection and interruption handling
Speech Understanding API (speaker ID, sentiment, chapters, summaries)
Guardrails for inline PII redaction and content moderation
LLM Gateway routing across GPT, Claude, and Gemini with fallback
Keyterms Prompting to improve accuracy for specific terms
Agent Management API to store and manage agent configurations
HTTP Tool Calling for Voice Agent API (no proxy server needed)
Production-ready Python and TypeScript SDKs
Self-hosted Voice AI Cloud deployment for enterprise
No concurrency limits, no throttles, no forced commitments
Global redundancy and enterprise-grade uptime
Code-switching support (Universal-3.5 Pro)