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AssemblyAI

AssemblyAI

Transform speech into meaning with one robust API

4.8•32 reviews•

5.6K followers

Transform speech into meaning with one robust API

4.8•32 reviews•

5.6K followers

Visit website
Unified API
•
AI Infrastructure Tools
Build new AI products with voice data leveraging AssemblyAI’s industry-leading Speech AI models for accurate speech-to-text, speaker detection, sentiment analysis, chapter detection, PII redaction, and more. Join 5,000+ industry-leading companies—including Fireflies.ai, Glean, and Loop—unlocking the power of voice data and launching best-in-class products and experiences.
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Company Info
assemblyai.comGitHub
AssemblyAI Info
Y Combinator
Launched in 2017View 6 launches
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p/assemblyai
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AssemblyAI launches

Launch date
Universal-Streaming
Universal-Streaming Ultra-fast, ultra-accurate streaming STT for voice agents.

Launched on June 3rd, 2025

Universal 2
Universal 2 Speech-to-text for conversational data

Launched on October 31st, 2024

Universal-1
Universal-1 Multilingual speech AI model trained on 12.5M hours of data

Launched on May 21st, 2024

LeMUR
LeMUR The easiest way to build LLM apps on voice data

Launched on December 11th, 2023

AssemblyAI Auto Chapters
AssemblyAI Auto Chapters Automatically summarize audio and video files with an API

Launched on November 29th, 2021

AssemblyAI - Speech-to-Text API
AssemblyAI - Speech-to-Text API APIs to automatically transcribe and understand audio

Launched on August 4th, 2017