Compare AssemblyAI vs. Letterly in 2025

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Description

Transform audio and video files, along with live audio streams, into text effortlessly using AssemblyAI's robust speech-to-text APIs. Enhance your audio intelligence capabilities through features such as summarization, content moderation, and topic detection, all driven by state-of-the-art AI technology. AssemblyAI is dedicated to delivering an exceptional experience for developers, offering everything from thorough tutorials and detailed changelogs to extensive documentation. With a focus on core speech-to-text functionality and sentiment analysis, our straightforward API provides a comprehensive range of solutions tailored to meet the speech-to-text requirements of any business. We cater to startups at various stages, from those just starting out to those in the growth phase, by offering affordable speech-to-text options. Our infrastructure is designed to scale efficiently; we handle millions of audio files daily for a diverse clientele, which includes numerous Fortune 500 companies. By utilizing Universal-2, our most sophisticated speech-to-text model, you can capture the nuances of human speech, resulting in more precise audio data that generates clearer insights. This commitment to accuracy and efficiency makes AssemblyAI a leading choice for organizations seeking to leverage audio data effectively.

Description

Letterly makes writing easy using your voice on your phone. No more typing – just speak your thoughts, and it turns them into the text you need. It's perfect for notes, posts, emails, summaries, messages, etc. Letterly goes beyond regular voice tools – it doesn't just write what you say, it creates the text you want, hassle-free.