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AI English speaking coach with instant pronunciation feedback

Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing

Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms

Transcribe, analyze, and score every conversation against your own methodology

PTE practice tests with instant AI scoring and realistic mock exams

AI transcription and meeting notes in 150+ languages

AI audio platform for speech, agents, music and dubbing

Speech-to-text and audio intelligence API for production voice products

Ace the Duolingo English Test with AI scoring and 18,000+ practice questions

AI language and skills assessments for hiring and education

AI-powered practice and scoring for the Duolingo English Test

Accurate audio and video transcription, with an API for developers

One speech AI API for recognition, generation, and translation in 60+ languages

Browser audio workstation for voice, podcasts and audiobooks

Real-time AI voice changer, cloning and voice agents

Speech-to-text and voice intelligence APIs for developers

AI-graded TOEFL practice tests with instant scores and feedback

Free AI text-to-speech across 140+ languages with instant MP3 downloads

Spatial Hearing AI and contextual voice AI for OEM devices

Train an AI agent on your site to answer, act, and hand off

AI transcription with speakers, timestamps and ready-made content

Talk to your coding agents and hear them talk back

High-accuracy batch speech-to-text at one flat price per audio hour.

Open-source Python library for turning long videos into clips automatically