Best AI Tools for Speech

LipsyncX is a free online tool that creates lip-synced videos from text, audio, and photo uploads.

Speechmatics On-Device offers high-quality speech-to-text transcription on local devices for Mac and Windows, supporting over 55 languages with speaker diarization.

Vaak is an on-device dictation app for Mac that lets you dictate text using a hotkey without cloud storage.

Power Interview AI is an advanced privacy-first tool that acts as an AI interview coach for virtual meetings, offering real-time transcription, AI reply suggestions, mock interview practice, and smart exports.

Converts spoken language into reusable structured instructions for AI agents, APIs, and enterprise software — built by a surgeon, works across medical, legal, finance, and beyond.

AI voice assistant that automates inbound and outbound business phone calls.

Local audio and video transcription powered by OpenAI Whisper — your files never leave your machine.

Dialect-accurate language tool for Colombian Spanish, Peruvian Spanish, and Brazilian Portuguese — city-level slang, tone control, and offline support.

Agentic AI customer support across chat, email, and voice, with direct integrations into billing, eCommerce, and ERP systems.

Local-first AI dictation for Linux, Windows, and macOS — private, offline, and built for developers who are tired of Mac-only alternatives.

AI sales call analyzer that transcribes conversations, flags objections, detects buyer intent, and drafts follow-ups automatically.

AI voice therapy for anxiety, stress, sleep, and crisis support — available 24/7 at 30p/min, no app or waiting list required.