AssemblyAI Best

The Best tier model is optimized for accuracy, low latency, and ease of use. It is recommended for high-quality search experiences, complex audio files, and when high accuracy is necessary for Large Language Model processing.

Model ID

assemblyai.best

Use this ID when making API calls to reference this model

Provider

AssemblyAI

Model Type

general

Accuracy Tier

enhanced

Supported Languages

autoen-USen-GBen-AUen-ZA
Automatic Language Detection: Yes
Performance & Cost

Cost

$0.37000/hour

$0.00010/second

Maximum Duration

10h 0m

Maximum File Size

5.00 GB

Features

Supported capabilities and functionalities

Core Features

Punctuation
Diarization
Streaming
Speaker Labels
Word Timestamps
Confidence Scores
Custom Vocabulary
Profanity Filtering
Noise Reduction
Voice Activity Detection

Subtitle Formats

SRT Support
VTT Support
Technical Specifications

Input/output formats and technical details

Subtitle Format Support

SRT VTT

Supported Audio Encodings

MP3WAVFLACAACM4A

Supported Sample Rates

8000 Hz16000 Hz22050 Hz44100 Hz48000 Hz