Vapi alternatives

The 12 products closest to Vapi in what they do and who they're for, best match first.

AssemblyAI — Industry-leading speech models deliver high accuracy and low latency for voice applications. (Audio, Freemium)
Coval — Prove voice agent reliability through simulation and human-in-the-loop testing. (Code, Paid)
VoiceGremlin — Validate AI voice agents with real phone calls and plain English test cases. (Agents, Paid)
Composio — Equips AI agents with tools, managed user auth, and sandboxes across 1,500+ apps (Agents, Freemium)
PolyAI — Proprietary models built specifically for complex enterprise conversations. (Audio, Paid)
Pipecat — Builds real-time voice and multimodal agents with frame-level control. (Audio, Free)
HAPI — Runs agents locally on your machine while letting you control them from mobile devices. (Code, Free)
Speech-to-Speech — Fully modular, swappable components with local or hosted execution options. (Audio, Free)
Retell AI — It handles phone calls with low-latency responsiveness and high workflow accuracy. (Audio, Paid)
Eclatira — Connects voice and video AI agents to APIs and apps without custom integration code. (Video, Freemium)
ThunderPhone — Record-setting accuracy and lower prices starting at 2 cents per minute. (Agents, Freemium)
NovaSynth — Tests voice agents on real calls and validates fixes automatically. (Audio, Freemium)