Comparison

Amazon Transcribe vs AssemblyAI

On the evidence we track, AssemblyAI leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Amazon Transcribe65
AssemblyAI80
Score
Vioscale score
Amazon Transcribe65 / 100low · 34%updating
AssemblyAI80 / 100medium · 60%updating
Pricing
Free tier
Amazon Transcribe
AssemblyAI
Model
Amazon Transcribefreemium
AssemblyAIfreemium
Price level
Amazon Transcribelow
AssemblyAIlow
Starting price
Amazon Transcribe$0.01
AssemblyAI$0.37
Transparent
Amazon Transcribe
AssemblyAI
Integrations
Count
Amazon Transcribe
AssemblyAI5
Security
Disclosure policy
Amazon Transcribe
AssemblyAI
Gdpr
Amazon Transcribe
AssemblyAI
Hipaa
Amazon Transcribe
AssemblyAI
Pci
Amazon Transcribe
AssemblyAI
Soc2
Amazon Transcribe
AssemblyAI
Reliability
Sla pct
Amazon Transcribe
AssemblyAI99.9
Status page
Amazon Transcribe
AssemblyAI
Market

Capabilities

Feature-by-feature on the axes that matter for speech to text. “-” means undocumented, not absent.

Capabilities
Real time streaming
Amazon Transcribe-
AssemblyAI-
Speaker diarization
Amazon Transcribe-
AssemblyAI-
Custom vocabulary
Amazon Transcribe-
AssemblyAI-
Fine tuning
Amazon Transcribe-
AssemblyAI-
Word timestamps
Amazon Transcribe-
AssemblyAI-
Punctuation formatting
Amazon Transcribe-
AssemblyAI-
Pii redaction
Amazon Transcribe-
AssemblyAI-
Vertical model
Amazon Transcribe-
AssemblyAI-
Offline on device
Amazon Transcribe-
AssemblyAI-
Open source
Amazon Transcribe-
AssemblyAI-

What each one is

The product in its own terms, so the numbers below have context.

Amazon Transcribe

A fully managed API service that converts speech to text using advanced AI, supporting over 100 languages with features like speaker identification, custom vocabularies, and content filtering.

Independently observed

AssemblyAI

Leader

A platform providing speech-to-text APIs for both pre-recorded and live audio, voice agent capabilities, and audio analysis features like speaker identification and sentiment analysis. Serves millions of developers with focus on accuracy and scalability.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon Transcribe

from $0.01/minuteUsage-basedFree tier

From $0.006/minute for batch transcription. Free tier: 60 minutes/month for 12 months.

  • Streaming Transcription$0.01/minute
    • Real-time transcription
    • 100+ language support
    • Custom vocabulary
    • Speaker diarization
    • Automatic punctuation
    • +1 more
  • Batch Transcription$0.006/minute
    • Batch audio processing
    • Recorded file support
    • 100+ language support
    • Custom vocabulary
    • Automatic language detection
    • +1 more
  • Call Analytics$0.03/minute (Tier 1, up to 250k minutes)
    • Sentiment analysis
    • Call categorization
    • Call characteristics tracking
    • Speaker identification
    • Compliance monitoring
    • +1 more
as of verify ↗

AssemblyAI

Leader
from $0.37/hourUsage-basedFree tier

From $0.37/hour for async transcription. Free tier available.

  • Async Speech-to-Text$0.37/hour
  • Real-time Speech-to-Text$0.47/hour
  • Sync Speech-to-Text$0.45/hour
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Amazon Transcribe
AssemblyAI
Deployment
Cloud / SaaS
Amazon Transcribe
AssemblyAI

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Amazon Transcribe

Not documented yet.

AssemblyAI

Leader
5 total
  • Semantic Kernel .NET
  • Vercel AI SDK
  • OpenAI GPT-5.6 Luna
  • OpenAI GPT-5.6 Terra
  • Google Gemini
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.