NeedAITool — AI Tools Directory
AssemblyAI
Audio AI

AssemblyAI

The API for speech AI

4.9
paidadvancedTrendingVerifiedSince 2017-09
Visit Tool

About AssemblyAI

A developer-first platform for transcription, speaker diarization, and sentiment analysis.

Powered by the Universal-1 model for state-of-the-art accuracy.

Platforms
API
Best For
Developers
Screenshot
AssemblyAI screenshot

Capabilities & Features

API Access
Customizable
Voice Input
File Upload
Free TierNo Signup RequiredOpen SourceWorks OfflineMultimodalImage InputImage OutputVideo InputVideo OutputAudio OutputWeb SearchCode ExecutionPluginsMemoryCollaborationWhite LabelSelf-HostableBrowser Extension

Common Use Cases

1

audio-generation

2

research

Pricing Modelpaid

Free Plan

Free API credits

Paid Plan

Usage-based pricing

Get Started

Pros & Cons

Fastest transcription

Exceptional speaker ID

Reliable API

Developers only

No consumer web UI

Alternatives

View all

Compare AssemblyAI with Alternatives

Side-by-side feature, pricing, and pros & cons breakdowns

All Comparisons