Alternatives to Gradium

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About Gradium

Build real-time voice products with speech generation transcription translation and cloning

Cartesia

Ultra-low-latency real-time text-to-speech powered by the Sonic model, built for live voice AI agents

The voice cloning and text-to-speech service everyone benchmarks against

Ultra-realistic AI text-to-speech and voiceover platform with 1,000+ voices across 142+ languages

Secure voice cloning, real-time text-to-speech, and speech-to-speech paired with deepfake detection and watermarking