Enterprise Voice AI platform for Speech-to-Text, Text-to-Speech, and Voice Agents
Infrastructure to build and run apps, agents, skills and services
Stage
Established
Not given
Founded
2015
Not given
Based in
US
Not given
Pricing model
Freemium
Free
Pricing
Flux STT Streaming: $0.0065/min (Pay As You Go), $0.0057/min (Growth); Flux Multilingual Streaming: $0.0078/min (Pay As You Go), $0.0068/min (Growth); Nova-3 Monolingual Streaming: $0.0048/min (Pay As You Go), $0.0042/min (Growth); Nova-3 Multilingual Streaming: $0.0058/min (Pay As You Go), $0.0050/
Not given
Key features
Flux STT with turn detection and interruption handling
Nova-3 multilingual speech recognition in 50+ languages
Ultra-low latency under 300 milliseconds
Keyterm prompting with up to 90% higher keyword recall
Flux TTS with latency as low as 80ms
Speaker diarization and multi-speaker audio detection
Smart formatting with automatic punctuation and capitalization
Automatic redaction of sensitive information
Custom models for edge-case scenarios
Flexible deployment options: cloud, in-VPC, or self-hosted
CLI for local development and deployment
Apps with offline-capable records that sync across devices
Long-running agents working 24/7
Reusable skills that work across platforms
Hosted and external services integration
Free hosting
Local testing with terminus dev simulator
Background jobs, schedules and webhooks
Support for TypeScript, Rust, Python, Go, C and C++ services
Shared spaces for team collaboration
What makes it different
Conversation-aware speech platform with native turn-taking detection and interruption handling
Unified single API combining STT, TTS, and LLM orchestration to reduce complexity and latency
Flux TTS that thinks before speaking to maintain tone and expression across conversations
Enterprise-grade accuracy with custom vocabulary injection and industry-tuned models
Foundational AI company with research-driven innovation and continuous model improvements
Lego-style composable components that connect together
Free hosting forever for all creations
Unified workflow from local development to published releases