Alternatives to Marr Labs

Vapi provides a highly configurable API platform for developers and enterprises to build, deploy, and scale human-like voice AI agents.

Enterprise Voice AI platform for automating 24/7 phone calls with self-hosted, custom AI agents.

Synthflow AI is a no-code platform for deploying human-like AI voice agents to automate phone calls, providing 24/7 support, lead qualification, and appointment setting.

An all-in-one platform for building voice AI agents using intelligent building blocks.

Deepgram is an enterprise voice AI platform providing APIs for speech-to-text, text-to-speech, and voice agents, used by over 200,000 developers to build voice-first products.

Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team.

Building advanced speech models capable of passing the Turing test and providing infrastructure for voice agents.

David AI is an audio data research company building the data backbone for voice-based AI.

AI voice agents for US consumer lending, automating collections, customer service, and compliance.

AI-powered voice agent for customer service and sales automation.

AI-powered platform for building and deploying sophisticated conversational AI agents.

AI-powered voice agent for customer service and sales automation.

Enterprise Conversational AI platform for automating customer interactions and business processes.

Develops foundational voice AI for underserved Pakistani languages to bridge the knowledge equity gap.

Krisp maximizes productivity in digital voice conversations with AI-powered noise cancellation, accent conversion, and meeting assistance.

Replicant automates enterprise customer service with AI-powered voice agents that handle complex conversations.

AI-powered conversational platform for healthcare and other enterprises.

Human-like Voice AI agents that automate up to 70% of business calls and self-improve.

AI-powered real-time speech understanding platform for multilingual communication and clarity.

AI agents for insurance carriers and brokers to automate customer-facing operations.