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

Top Cartesia alternatives at a glance

  1. Fish Audio. Open-source text-to-speech and voice cloning with low latency in 13+ languages
  2. Resemble AI . Generative Voice AI built for Enterprise.
  3. PlayHT. AI voice generator acquired by Meta (July 2025) and shut down (December 2025). See alternatives for text-to-speech.
  4. Samtal. Swedish-hosted voice AI API with TTS, ASR, voice cloning, and conversational agents. ElevenLabs-compatible
  5. Rime AI. Text-to-speech API with 200+ voices, sub-200ms latency, and on-premise deployment

🔊 Audio

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Frequently asked questions

What are the best alternatives to Cartesia?

Based on category overlap and popularity, the top alternatives to Cartesia include: Fish Audio (Open-source text-to-speech and voice cloning with low latency in 13+ languages); Resemble AI (Generative Voice AI built for Enterprise.); PlayHT (AI voice generator acquired by Meta (July 2025) and shut down (December 2025)...); Samtal (Swedish-hosted voice AI API with TTS, ASR, voice cloning, and conversational ...); Rime AI (Text-to-speech API with 200+ voices, sub-200ms latency, and on-premise deploy...). See all 17 alternatives compared on this page.

Is there a free alternative to Cartesia?

Yes. 14 alternatives to Cartesia offer a free tier or free trial: Fish Audio, Resemble AI , Rime AI, Eleven Labs, LMNT, LemonFox, and more. Use the comparison above to find the best fit for your use case.

Are there open-source alternatives to Cartesia?

Yes. 2 open-source alternatives to Cartesia are listed here: Fish Audio, LiveKit Agents. Open-source tools can be self-hosted for full control over data and infrastructure.

What is Cartesia?

Cartesia provides real-time voice AI APIs built on state space models. Its Sonic-3 TTS engine delivers 90ms time-to-first-audio with natural, expressive voices including laughter and emotion in 40+ languages. Voice cloning requires just 15 seconds of audio. Also offers Ink-Whisper streaming speec... See 17 alternatives to Cartesia across 1 category.

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