Comparison

Amazon Transcribe vs AssemblyAI

On the evidence we track, AssemblyAI leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Amazon Transcribe50
★AssemblyAI78
Score
vioscaleAI score
Amazon Transcribe50 / 100low · 45%
AssemblyAI78 / 100medium · 73%
Pricing
Free tier
Amazon Transcribe✓
AssemblyAI✓
Model
Amazon Transcribefreemium
AssemblyAIfreemium
Price level
Amazon Transcribelow
AssemblyAIlow
Starting price
Amazon Transcribe$0.01
AssemblyAI$0.45
Transparent
Amazon Transcribe✗
AssemblyAI✓
Integrations
Count
Amazon Transcribe–
AssemblyAI8
Security
Certifications
Amazon Transcribe–
AssemblyAISOC 2 Type 2
Disclosure policy
Amazon Transcribe–
AssemblyAI✓
Fedramp
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
Content
Faq
Amazon Transcribe4 items
AssemblyAI7 items

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 hosted service offering speech-to-text transcription across 99 languages with real-time and batch processing, speaker identification, sentiment analysis, and infrastructure for building voice agents.

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 $0.45/hourHybridFree tier

Free tier with limited hours; pay-as-you-go from $0.45/hr

  • FreeFree
  • Pay-as-you-go$0.45 per hour
  • EnterpriseContact sales
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✓
Self-hosted
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
13 total
  • Semantic Kernel .NET
  • Vercel AI SDK
  • OpenAI GPT-5.6 Luna
  • OpenAI GPT-5.6 Terra
  • Google Gemini
  • Semantic Kernel
  • LangChain
  • Twilio
  • OpenAI
  • Fireworks
  • AWS Bedrock
  • MiniMax
  • Google Cloud Storage
Independently observed
Still deciding?

Amazon Transcribe or AssemblyAI: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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