Simple transparent pricing

Free

Get started at no cost

For developers looking to prototype with Speech AI

Access to Speech-to-Text and Audio Intelligence models

  • Speech recognition
  • Speaker diarization
  • Custom spelling and vocabulary
  • Profanity filtering, auto punctuation and casing

Transcribe up to 100 hours of audio

Developer docs and community support

Pay as you go

MOST POPULAR

Start as low as $0.12/hr for Speech-to-Text

For teams ready to integrate Speech AI into their products

Unlimited access to Speech-to-Text, Audio Intelligence, and LeMUR

Streaming Speech-to-Text

Concurrency starting at 200 files and 100 streams

Cancel anytime

Get started

Custom

Personalize your plan

For teams building products at scale

Volume discounts up to 50%

Solution architect support

Higher rate limits

Compliance with EU Data Residency standards

Compare pricing and features

Compare pricing and features
Pay as you go
Build your plan
Speech-to-text  Build on top of the most accurate Speech-to-Text model on the market with >92.5% accuracy
Tiers  

Best

Free

$0.37  / hour

Lower rates  based on volume

Nano

Free

$0.12  / hour

Lower rates  based on volume

Features  

Speaker Diarization

Automatic Language Detection

Profanity Filtering

Custom Vocabulary

Dual Channel

Filler Word Filtering

Custom Spelling

Word Timestamps

Auto Punctuation and Casing

ITN/Formatting

Confidence Scores

Word Search

Export SRT/VTT Captions

Export Paragraphs/Sentences

Streaming Speech-to-text  Transcribe live audio and video files synchronously at low latency and high quality
Tiers  

Best

$0.47  / hour

Lower rates  based on volume

Features  

Auto Punctuation and Casing

Custom Vocabulary

End of Utterance Detection

ITN/Formatting

Speech Understanding  Extract maximum value from your voice data with our Audio Intelligence, models and LLMs
LeMUR  Apply LLMs to voice data and explore a variety of LLM capabilities

Claude 3.5 Sonnet

latest

$0.003  / 1K tokens (Input)

$0.015  / 1K tokens (Output)

Lower rates  based on volume

Claude 3 Opus

latest

$0.015  / 1K tokens (Input)

$0.075  / 1K tokens (Output)

Lower rates  based on volume

Claude 3 Haiku

latest

$0.00025  / 1K tokens (Input)

$0.00125  / 1K tokens (Output)

Lower rates  based on volume

Claude 3 Sonnet

latest

$0.003  / 1K tokens (Input)

$0.015  / 1K tokens (Output)

Lower rates  based on volume

Claude 2.1

$0.015  / 1K tokens (Input)

$0.043  / 1K tokens (Output)

Lower rates  based on volume

Claude 2.0

$0.015  / 1K tokens (Input)

$0.043  / 1K tokens (Output)

Lower rates  based on volume

Claude Instant

$0.002  / 1K tokens (Input)

$0.005  / 1K tokens (Output)

Lower rates  based on volume

Audio Intelligence  Analyze and extract insights from voice data

Entity Detection

Free

$0.08  / hour

Lower rates  based on volume

Topic Detection

Free

$0.15  / hour

Lower rates  based on volume

Key Phrases

Free

$0.01  / hour

Lower rates  based on volume

PII Audio Redaction

Free

$0.05  / hour

Lower rates  based on volume

PII Redaction

Free

$0.08  / hour

Lower rates  based on volume

Sentiment Analysis

Free

$0.02  / hour

Lower rates  based on volume

Content Moderation

Free

$0.15  / hour

Lower rates  based on volume

Auto Chapters

Free

$0.08  / hour

Lower rates  based on volume

Summarization

Free

$0.03  / hour

Lower rates  based on volume

Rate Limits  

Hours of audio

Up to 100 hours

Unlimited

Unlimited

Concurrency

5 files

Starting at 200 files

Talk to us

Security and Privacy  

GDPR

PCI-DSS

SOC 2 Type 1/Type 2

EU Data Residency

Limited

Frequently asked questions

Start building with AssemblyAI

Get started in seconds

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import assemblyai as aai
import json

transcriber = aai.Transcriber()
transcript = transcriber.transcribe(URL, config)

print(json.dumps(transcript, indent=2))