What is AssemblyAI?
AssemblyAI’s Speech AI models are designed to turn speech into actionable insights. Whether you’re transcribing audio, analyzing conversations, or building cutting-edge voice-enabled applications, AssemblyAI delivers unmatched accuracy and advanced audio intelligence—all through a seamless API.
Why Choose AssemblyAI?
✅ Best-in-Class Accuracy: Achieve over 93% accuracy with our state-of-the-art speech-to-text models, outperforming competitors like Google, AWS, and OpenAI.
✅ Real-Time Transcription: Stream live audio with low latency (<600ms) and high accuracy, perfect for live captions, meetings, and events.
✅ Advanced Audio Intelligence: Extract insights like sentiment analysis, topic detection, and entity recognition to make your voice data work smarter.
✅ Developer-First API: Get started in seconds with intuitive SDKs, comprehensive documentation, and scalable pricing.
Key Features
🎯 Speech-to-Text Transcription
Convert pre-recorded audio or video files into text with human-level accuracy.
Features like speaker diarization, custom vocabulary, and profanity filtering ensure tailored results.
🎯 Streaming Speech-to-Text
Transcribe live audio streams synchronously with <600ms latency.
Ideal for real-time applications like live events, customer support, and more.
🎯 Speech Understanding
Go beyond transcription with Audio Intelligence models for summarization, sentiment analysis, and PII redaction.
Leverage LeMUR, our LLM-powered API, to generate summaries, extract insights, and create content from audio.
Use Cases
Customer Support: Automatically transcribe and analyze customer calls to identify trends, improve service, and generate actionable insights.
Media & Entertainment: Create accurate captions for live streams, podcasts, and videos while detecting key topics and sentiments.
Healthcare: Transcribe patient consultations with precision, ensuring compliance and enabling better care through data-driven insights.
Build with Confidence
AssemblyAI is trusted by over 200,000 customers, including industry leaders like CallRail and Vidyo. With enterprise-grade security, continuous updates, and scalable pricing, we’re here to help you future-proof your voice-enabled products.
Ready to Get Started?
Try AssemblyAI’s API for free and experience the power of industry-leading Speech AI. Whether you’re a developer, product manager, or business leader, AssemblyAI makes it easy to transform voice data into meaningful results.
[Try our API for free] | [Contact Sales]
FAQ
Q: How accurate is AssemblyAI’s speech-to-text model?
A: Our models achieve over 93% accuracy, outperforming competitors like Google and AWS.
Q: Can I transcribe live audio streams?
A: Yes! Our streaming API delivers real-time transcription with <600ms latency.
Q: What languages are supported?
A: AssemblyAI supports over 99 languages, including Global English and its accents.
Q: Is AssemblyAI secure?
A: Absolutely. We adhere to enterprise-grade security standards to keep your data safe.
Transform your voice data today with AssemblyAI—the leader in Speech AI. 🚀



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