Speech & Audio APIs
Speech and audio APIs add transcription, text-to-speech, voice processing, or sound analysis to applications.
Language coverage, latency, streaming support, audio quality, speaker handling, data retention, SDKs, and regional availability can matter as much as a headline accuracy score.
Speech & Audio APIs AI tools
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Freemium
Ultravox
Speech-native infrastructure for real-time voice agents
Speech & Audio APIs -
Subscription
Hume AI
The data layer for emotionally intelligent voice AI
Audio & Voice AI -
Subscription
MiniMax
Multimodal AI models for every product
Multi-Model AI APIs -
Subscription
Musicfy
Turn any idea into a finished track
AI Music Composition Tools -
Subscription
Line 21
Hybrid human + AI captions for live events
Speech-to-Text Transcription -
Subscription
Unreal Speech
Ultra-fast, low-cost text-to-speech at scale
AI Voice Generators (Text-to-Speech) -
Freemium
Brev AI Music Generator
Create royalty-free AI music, lyrics, and videos instantly
AI Music Composition Tools -
Freemium
Voicv
Clone, create, and convert voices with AI precision
Audio & Voice AI -
Credit-Based Tunk.ai
Voice AI that turns calls into insight
Audio & Voice AI - Subscription
Whisper API
Easy, affordable AI transcription powered by Whisper
Speech-to-Text Transcription
