AssemblyAI
View pricing & features
AssemblyAI
AI speech-to-text and audio intelligence API
What is AssemblyAI?
AssemblyAI is a developer-focused AI platform for speech and audio understanding. Its core speech-to-text API achieves near-human accuracy with support for 99+ languages. Beyond transcription, it offers speaker diarization (who said what), sentiment analysis, topic detection, content moderation, PII redaction, and auto-chapters. The LeMUR framework lets you apply LLMs to your transcripts for summarization, Q&A, and action items. Used by companies like Spotify, BBC, and CallRail.
Key Features
✓ Pros
- Excellent accuracy
- Rich audio intelligence features
- Great developer experience
- Generous free tier
✗ Cons
- API-only (no UI)
- Can get expensive at scale
- Real-time has latency
Frequently Asked Questions
How much does AssemblyAI cost?
AssemblyAI uses a freemium pricing model starting from $0/mo.
Is AssemblyAI worth it?
AssemblyAI has an Editor's Score of 4.4/5 on ToolPilot. Key strengths include excellent accuracy. However, api-only (no ui).
What are the best alternatives to AssemblyAI?
Top alternatives include ElevenLabs, Suno, Murf AI, Udio. Compare them for detailed feature and pricing breakdowns.
Starting from
$0/mo
Freemium
We may earn a commission at no cost to you
Quick Info
- Category
- Audio & Music
- Pricing Model
- Freemium
- Starting Price
- $0/mo
- Editor's Score
- 4.4/5
- Added
- 2026-02-13
⚖️ Compare AssemblyAI
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