AssemblyAI
by AssemblyAI
AI transcription and audio intelligence API
Pricing
Pay-per-hour ($0.37-0.65/hr)
Difficulty
beginner
Time to Start
1 hour
Privacy
high
Free Tier
Free: limited hours; basic transcription and AI features
Limits: Free: limited transcription hours; pay-per-audio-hour; volume discounts available
When to upgrade: Hour limits; LeMUR (LLM for audio); advanced AI features; enterprise SLA; custom vocabulary
Use Cases
Speech-to-text; speaker diarization; content moderation; summarization (LeMUR); sentiment analysis
Technical Details
Type: api
Offline: No
API: Yes
Languages: Multilingual (many languages supported)
Integrations: Python/JS/Go/Ruby SDKs, Zapier, REST API, webhooks
Ideal For
Developers building transcriptionpodcast platformsmedia companiescall analytics
Supported Content
Audio (speech)
Output Formats
JSON transcriptsSRTVTTparagraphshighlights