Power best-in-class conversation intelligence with leading Speech AI

Deliver unmatched insights, streamlined workflows, and faster time to market—all with unrivaled speech-to-text accuracy, comprehensive speech understanding, and enterprise-grade reliability.

Capturing speech is where it starts. Creating outcomes is where it counts.

Learn why today’s most innovative companies choose us.

90%

Reduction in customer complaints and support tickets

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2X

Conversion rate for their Conversational Intelligence product

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15% improvement

Jiminny scored 15% higher customer win rates after implementing AssemblyAI.

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Assembly is instrumental in our transcription process, providing crucial input for our LLM API to process further. It's become an integral part of our workflow.

Krish Ramineni, CEO and co-founder

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Conversations worth having

Put every word to work, and maximize actionable learnings across all conversations—from customer support to sales calls to internal meetings and more.

Power your AI notetaker

Transform conversations into clear, accurate, and actionable notes.

  • Industry-leading speech-to-text accuracy 
delivers top quality meeting insights
  • Sentiment analysis and summarization ensures high-value meeting summaries
  • Speaker Diarization makes sure action items are appropriately assigned

Elevate your call analytics

Process millions of hours of conversation at low latency to generate trends and insights at scale.

  • Automate quality monitoring with the most reliable speech-to-text in the industry
  • Provide real-time agent coaching with precise speech understanding models
  • Generate insights for improved service and 
new customer acquisition

Level up your sales intelligence

Provide vital sales learnings, close more deals, and drive revenue.

  • Identify success patterns and areas of opportunity 
with reliable insights powered by top accuracy
  • Sharpen pitch strategies with coaching tips 
based on real industry wins and patterns
  • Assess lead quality accurately based on 
smart content, sentiment, and engagement analysis

Accuracy where it matters most

Our Speech AI models deliver near-human accuracy even among noisy or challenging audio to capture the crucial details needed for smooth and seamless downstream processes.
The industry’s highest Word Accuracy Rate
AssemblyAI
Universal-2
AssemblyAI
Whisper Large-v3
AssemblyAI
Nova-2
AssemblyAI
Amazon Transcribe
93.3%
91.7%
90.8%
89.7%

The most comprehensive intelligence suite

Turn every interaction into a powerful data set with advanced features that drive business-critical decisions and capabilities.

Speaker Diarization

Reliably detect multiple speakers and what they’re saying with the highest accuracy in the industry.

Summarization

Turn hours of audio into concise, actionable insights with automatic summarization.

Sentiment Analysis

Capture speaker sentiment accurately for informed business decisions and problem solving.

Word Timings

Get granular timing data to sync conversation analysis and improve task automation.

Topic Detection

Spot trends and ares of importance by identifying key conversation topics.

PII Redaction

Safeguard sensitive information automatically to ensure privacy and compliance.

Modern tools for superior intelligence

Deep dive into the latest insights, trends, and industry breakthroughs for 
all things conversation intelligence.

Turn voice data into unparalleled product experiences

Partner with the leader in Speech AI to build powerful products with breakthrough industry impact.