Alternatives to AssemblyAI

AI platform for understanding and acting on conversations across voice and text.

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

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

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

Voice AI platform for frontline workers, transforming speech into structured data and automated workflows.

AI-powered voice automation platform for businesses to enhance customer interactions and streamline operations.

AI-powered voice and conversational AI platform for businesses.

Enhances speech recognition accuracy by augmenting existing vendor engines with proprietary technology.

AI-powered SaaS platform for real-time interpretation and translation services.

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

Build and deploy self-improving AI voice agents without extensive engineering.

Tukuoro enables voice enablement for any application or device, in any language or accent.

AI-powered platform for building and deploying voice AI agents.

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.

Building advanced speech models capable of passing the Turing test and providing infrastructure for voice 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 scheduling for businesses at scale.

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

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

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

Open-source library for building hyper-realistic voice agents and conversational AI applications.

AI-powered real-time pronunciation correction for enhanced online communication.

Machine intelligence company focused on enterprise voice AI, operating in stealth.

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

Revolutionary speech technology API for children in education, therapy, and play.

Qualee deploys natural, ultra-low-latency voice agents for customer support, scheduling, and outbound operations.

Real-time AI voice and video pipelines for developers building voice AI agents.

Provides high-performance multilingual voice datasets for AI model training.

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

Builds advanced AI agents and automations for deep voice analytics and knowledge insights.

Automated testing and observability for AI voice and chat agents to ensure reliability and accelerate deployment.

Ultravox.ai (formerly Fixie.ai) is building human-like voice AI agents and models for natural, real-time communication.

API service converting text to natural-sounding speech using Google's advanced AI.

AI voice & chat agents on your model, your carrier, and your brand. Phone, web, chat & WhatsApp, 50+ integrations, and transparent pricing.

AI voice infrastructure for global teams, offering enterprise voice agents for support, sales, and operations.

Amazon Transcribe is a fully managed machine learning service that provides accurate, speech-to-text capabilities.

Automatic speech recognition service for converting audio to text.

AI-powered noise cancellation and meeting assistant for clear, productive online communication.

Willow is an AI dictation app designed for professionals to write 4x faster using voice anywhere on their computer.

AI-powered video creation and localization tools for professional content transformation.

AI-powered audio and video creation platform for effortless content production and editing.

AI-powered transcription and captioning platform delivering enterprise-grade accuracy for legal, education, media, and corporate use cases.

AI-powered voice dictation tool transforming speech into polished writing across any application.

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

AI-powered platform for practicing and improving public speaking and presentation skills.

AI-powered meeting notetaker and audio transcription service that converts speech to searchable text.

Daber AI provides intelligent voice and chat agents to automate customer and citizen interactions across various industries, offering post-interaction analytics.

Transcribe any audio in 99 languages with precise timestamps. Fast, accurate, and private.

AI-powered tool converting audio and video to text, with summaries and mind maps.

AI-powered voice dictation software that converts speech to text across all applications, enhancing productivity for professionals.

Brachum turns Khmer and English meeting audio into accurate transcripts and summaries for teams in Cambodia. Record in-person or online meetings and share notes instantly.

Record, search, and ask questions across all your conversations in 99 languages with end-to-end encryption.

Record, search, and ask questions across all your conversations in 99 languages with end-to-end encryption.

Cast Insights is a real-time speech intelligence platform that uses AI to index spoken audio from TV, radio, and podcasts to provide competitive intelligence for decision-makers.

AI-powered behavioral intelligence platform that analyzes voice patterns to decode human behavior for hiring and beyond.

Privacy-first AI notetaking app that records, transcribes, and summarizes meetings entirely on your device.

Uniphore is a conversational AI platform that automates customer service and sales interactions.

Develops voice recognition products for cognitive assessment and digital biomarkers.

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