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Speechify vs AssemblyAI
Side-by-side comparison of features, pricing, and ratings
Pricing
Freemium
Freemium
Plans
0
139
$0
$0.37/hr
Custom
Rating
—
—
Popularity
3.6k views
5.6k views
Skill Level
Beginner-friendly
Advanced
API Available
Platforms
WebMobileDesktop
API
Categories
🎙️ Voice & Speech
🎙️ Voice & Speech
Features
Text-to-speech for PDFs, docs, web pages, and emails
OCR scanning to read printed text aloud
1,000+ AI voices in 60+ languages
Speed control up to 5x (Premium) and up to 1.5x (Free)
AI summarization and chat for documents
Voice typing dictation (5x faster than typing) across apps
AI podcast creation from any document or description
Voice AI Assistant that answers questions about content
Offline mode (Premium)
Word highlighting while listening
Chrome and Edge browser extensions
Native apps for iOS, Android, Mac, Windows
Web app (no install needed)
Voice cloning via Speechify Studio / API (separate product)
Speech-to-Text API in 99 languages
Universal-3 Pro model for high accuracy
Streaming Speech-to-Text with real-time output
Real-time turn detection and interruption handling
Voice Agent API for production voice agents
Speech Understanding API for sentiment, chapters, summaries
Guardrails for PII redaction and content moderation
LLM Gateway with multi-model routing and fallback
Natural language prompting for custom transcriptions
Unlimited concurrent streams at scale
Self-hosted deployment option
Industry-leading accuracy benchmarked
Integrations
Google Drive
Dropbox
Microsoft OneDrive
Google Docs
Notion
Chrome
Edge
Slack
Outlook
Gmail