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Alternatives to Vapi

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

VapiAPI

Alternatives · 8

  1. Pipecat

    API

    Builds realtime voice and multimodal conversational agents in Python — orchestrates STT, LLM, and TTS pipelines with…

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

    Why Both offer API. In common: stt, tts, real-time.

  2. 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: conversational, latency, real-time.

  3. Kapso

    API

    WhatsApp AI agent platform. Build and deploy conversational agents on WhatsApp Business API with no-code flows, LLM…

    Verifiedby Kapso · Voice & Messaging · 5 skills · API Key

    Why Both offer API. In common: conversational, build, prompts.

  4. Retell AI

    API

    Builds, tests, deploys, and monitors natural-sounding AI voice agents with ~600ms latency for scheduling, support, and…

    Verifiedby Retell AI · Voice & Messaging · API Key

    Why Both offer API. In common: phone calls, real-time, voice.

  5. Dograh

    API · MCP

    Builds and self-hosts voice AI agents with a visual workflow builder, telephony, and bring-your-own-key…

    Verifiedby Dograh HQ · Voice & Messaging, Orchestration · 3 skills · API Key

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

  6. Bland AI

    API

    Deploys enterprise AI phone agents that handle inbound and outbound calls in 40+ languages with SOC2, HIPAA, and PCI…

    Verifiedby Bland · Voice & Messaging · API Key

    Why Both offer API. In common: phone calls, voice.

  7. Cartesia

    API

    Delivers ultra-low-latency text-to-speech and speech-to-text through the Sonic model family, with a voice-agent…

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

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

  8. LiveKit Agents

    API · CLI

    Builds production realtime voice and video AI agents with WebRTC transport, turn detection, and STT/LLM/TTS pipelines.…

    VerifiedOfficialby LiveKit · Voice & Messaging · 3 skills · API Key

    Why Both offer API. In common: real-time, voice.