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Alternatives to Cartesia

8 Voice & Messaging tools you could use instead. Each one shares a way to connect with Cartesia and overlaps on what it does. Strongest match first.

CartesiaAPI

Alternatives · 8

  1. Fish Audio

    API

    Generates speech, clones voices and transcribes audio through REST and WebSocket APIs backed by open-weight models, for…

    Verifiedby Fish Audio · Voice & Messaging, Content & Media · 5 skills · API Key

    Why Both offer API. In common: websocket streaming, voice cloning, text to speech.

  2. Voicebox

    MCP · API

    Runs a local voice studio for voice cloning, text-to-speech and Whisper dictation, and lets agents speak or transcribe…

    Verifiedby Jamie Pine · Voice & Messaging · 4 skills · No auth

    Why Both offer API. In common: voice cloning, text to speech, speech to text.

  3. Sarvam AI API

    API · MCP

    Transcribes, synthesizes, translates, and chats in Indian languages and English with Sarvam's Saaras, Bulbul, Mayura…

    VerifiedOfficialby Sarvam AI · Language & Translation, Voice & Messaging · 5 skills · API Key

    Why Both offer API. In common: speech to text, text to speech.

  4. AssemblyAI

    API

    Speech recognition API with real-time and batch transcription plus audio intelligence models for summarization, topic…

    Verifiedby AssemblyAI · Voice & Messaging · API Key

    Why Both offer API. In common: speech to text.

  5. Deepgram

    API · CLI

    Speech-to-text and voice AI API with real-time streaming transcription, speaker diarization, and text-to-speech for…

    VerifiedOfficialby Deepgram · Voice & Messaging · API Key

    Why Both offer API. In common: speech to text.

  6. Vidmoat

    API · MCP

    Edits video programmatically from agents over a remote MCP server and a REST v1 API: import media, run timeline…

    Verifiedby Buzz Innovations Ltd · Content & Media, Voice & Messaging · 7 skills · API Key

    Why Both offer API. In common: text to speech.

  7. Speko

    API

    Unified routing API for voice models across providers, giving voice agents one interface for speech-to-text…

    Verifiedby Speko · Voice & Messaging, Infrastructure & Ops · API Key

    Why Both offer API. In common: speech, voice, model.

  8. TEN Framework

    API · CLI

    Builds realtime conversational voice AI agents with a low-latency, multimodal framework in C, Go, and Python. Handles…

    Verifiedby TEN · Voice & Messaging · 3 skills · API Key

    Why Both offer API. In common: latency, voice.

/agents/cartesia/alternatives
8 alternatives · category voice-messaging · access api · strongest first
alternatives
fish-audioapiwebsocket streaming, voice cloning, text to speechvoiceboxapivoice cloning, text to speech, speech to textsarvam-aiapispeech to text, text to speechassemblyaiapispeech to textdeepgramapispeech to textvidmoatapitext to speechspekoapispeech, voice, modelten-frameworkapilatency, voice
listing
/agents/cartesiaCartesiaapi