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Cartesia Alternatives

Real-time voice AI with ultra-low latency text-to-speech and voice cloning in 40+ languages

Cartesia provides real-time voice AI APIs built on state space models.

Explore 16 alternatives to Cartesia across 1 category. Each tool listed below shares at least one category with Cartesia.

🔊 Audio

AssemblyAI

Speech-to-text APIs with audio intelligence, speaker diarization, and real-time streaming

Free Trial

Cekura

Testing and monitoring platform for AI voice and chat agents

Free Trial

Deepgram

Build Voice AI into your apps.

Free Trial

Eleven Labs

Natural Text to Speech & AI Voice Generator.

Free Trial

Fish Audio

Open-source text-to-speech and voice cloning with low latency in 13+ languages

Open Source Free Trial

Gladia

Fast speech-to-text API with real-time transcription and speaker diarization

Free Trial

Hume AI

Empathic voice AI that detects and responds to human emotion in real-time

Free Trial

LemonFox

Affordable speech-to-text and text-to-speech API with 100+ language support

Free Trial

LiveKit Agents

Open-source framework for building real-time voice and multimodal AI agents over WebRTC

Open Source Free Trial

LMNT

Low-latency text-to-speech API built for real-time conversational AI

Free Trial

OpenAI

API access to GPT, o-series reasoning, DALL-E, and Whisper models

Free Trial

PlayHT

AI voice generator and text-to-speech platform with 800+ voices in 142 languages

Resemble AI

Generative Voice AI built for Enterprise.

Free Trial

Rime AI

Text-to-speech API with 200+ voices, sub-200ms latency, and on-premise deployment

Free Trial

Speechmatics

Enterprise speech-to-text API supporting 55+ languages with high accuracy

Free Trial

Suno

Make a song with Suno.

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