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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. AssemblyAI. Speech-to-text APIs with audio intelligence, speaker diarization, and real-time streaming
  2. Cekura. Testing and monitoring platform for AI voice and chat agents
  3. Deepgram. Build Voice AI into your apps.
  4. Eleven Labs. Natural Text to Speech & AI Voice Generator.
  5. Fish Audio. Open-source text-to-speech and voice cloning with low latency in 13+ languages

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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: AssemblyAI (Speech-to-text APIs with audio intelligence, speaker diarization, and real-ti...); Cekura (Testing and monitoring platform for AI voice and chat agents); Deepgram (Build Voice AI into your apps.); Eleven Labs (Natural Text to Speech & AI Voice Generator.); Fish Audio (Open-source text-to-speech and voice cloning with low latency in 13+ languages). 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: AssemblyAI, Cekura, Deepgram, Eleven Labs, Fish Audio, Gladia, 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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