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

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

Capturing speech is where it starts.

Creating outcomes is where it counts.

Reduced customer complaints and support tickets by 90%

Doubled customer conversion rate for their Conversation Intelligence product

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

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

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

OpenAI

Whisper Large-v3

Deepgram

Nova-2

Amazon

Amazon Transcribe

93.3%

91.7%

90.8%

89.7%

Explore all benchmarks

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

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.

The code to superior conversation intelligence

Power stand-out experiences with the leader in Speech AI to elevate business insights, streamline tasks, and generate real revenue.

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import assemblyai as aai

transcriber = aai.Transcriber()
transcript = transcriber.transcribe(URL, config)

print(transcript)
{
  "id": "6rlr37h8f4-e310-4e23-bbf3-ea5f347dc684",
  "language_code": "en_us",
  "status": "completed",
  "text": "Runner's knee is a condition characterized by pain behind or around the kneecap...",
  "confidence": 0.98122,
  "audio_duration": 3200,
  "words": [
    { "text": "Runner's", "start": 0, "end": 550, "speaker": "A", "confidence": 0.98113 },
    { "text": "knee", "start": 580, "end": 1130, "speaker": "A", "confidence": 0.95417 }
  ]
}