Best Alternatives to Parloa

AnveVoice is best for teams that want to add a website voice assistant, text chat, and guided on-page actions with a lightweight embed. It supports multilingual real-time conversations, website auto-training, DOM actions, and integrations for booking, commerce, and lead capture.

Enterprise voice AI platform with self-hosted models, sub-second latency and large-scale phone agent infrastructure.

From Free

Real-time generative voice and on-device speech models built on state-space architectures — Sonic TTS at ~40ms first-token latency, Ink-Whisper STT, voice cloning, and an Edge SDK for offline voice on devices.

Speech-to-text, text-to-speech and voice agent APIs with industry-leading latency, accuracy and per-language model quality.

From Free

Open-source, self-hostable voice agent platform — the Vapi and Retell alternative driven by MCP.

ElevenLabs Conversational AI is a voice and chat agent platform for building low-latency customer conversations across 70+ languages.

Empathic voice AI — EVI 3 speech-to-speech model with real-time prosody understanding, Octave expressive TTS, and emotion/expression measurement APIs for voice, face, and video.

Voice AI for clearer calls — noise cancellation, AI Note Taker, Accent AI and Call Center AI in one cross-app utility.

From Free

Retell AI is an end-to-end platform for building, deploying and monitoring voice AI agents that handle phone calls at production scale.

From $0.07/min

Conversational voice AI from Sesame — personal voice agents Maya and Miles, plus the upcoming intelligent eyewear platform.

Low-latency voice AI platform for building conversational 'Personas' with natural turn-taking, interruption handling, and a no-code or all-code workflow.

No-code platform for building voice AI agents that make and answer phone calls, with a drag-and-drop call-flow editor and starting price as low as $0.02/min.

Vapi is the developer platform for voice AI agents — build, deploy, and scale phone agents with usage-based pricing and bring-your-own model keys.

From $0.05/minute + provider costs

Tokenizer-free multilingual TTS from OpenBMB — true-to-life voice cloning and creative voice design from a small open model.