Gradium offers real-time voice AI APIs for expressive text-to-speech, accurate speech-to-text, and instant voice cloning. With ultra-low latency and support for five languages, it helps developers build responsive, natural-sounding voice agents.
Gradium: Expressive Real-Time Text-To-Speech Gradium develops audio language models that deliver natural, expressive voice interactions with ultra-low latency, at scale. Its platform includes text-to-speech, speech-to-text, and voice cloning, giving developers the tools to power AI agents and a wide range of voice tasks. Key Features Text-to-Speech (TTS): Stream natural, expressive speech in real time. Handles complex pronunciations and provides high-precision word-level timestamps for tight text-audio synchronization. Speech-to-Text (STT): Get high-accuracy transcription with controllable latency, reliable performance in noisy environments, and semantic voice activity detection for smarter turn-taking. Voice Cloning: Clone a voice instantly from just 10 seconds of audio, or use Pro Voice Clones for fine-tuned models with high speaker similarity. Native Multilingual Fluency: Supports English, French, Spanish, German, and Portuguese with consistent pronunciation and prosody, plus seamless mid-sentence code-switching with no added latency. Developer Infrastructure: WebSocket APIs built for streaming, Python and Rust SDKs, and integrations with leading agent frameworks such as LiveKit and Pipecat. Security and Compliance: Private cloud options for on-premise deployments, and enterprise plans with zero data retention. Use Cases Gradium is built for AI agents and real-time applications where low latency is a must, supporting bidirectional, real-time communication and high-concurrency voice workloads. Getting Started Visit https://gradium.ai/. Gradium provides production-grade voice AI APIs that handle latency, naturalness, and scale, so developers can build responsive, expressive voice-enabled applications.
Text-to-Speech
HQ COUNTRY
Paris, France
FOUNDED
2025
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