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AI phone system that completes intake forms through voice calls

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

On-device text-to-speech for Mac with listening queue and playback controls